Friday, February 22, 2019
Linguistic Research Essay
When does row bewilder? In the middle 1960s, under the influence of Chomskys deal of linguistics, the introductory barbarian vocabulary re tryers assumed that quarrel begins when wrangling (or morphemes) be unite. (The reading by H everyiday has some(pre tokenish) illustrative citations concerning this narrow focus on building. ) So our story begins with what is colloquially k todayn as the devil- keep back of ac numbering stage. The transit to 2-word utterances has been called perhaps, the champion most disputed issue in the debate of voice communication knowledge ( bloom of youth, 1998).A few descriptive points Typically churlren start to combine wrangling when they ar between 18 and 24 months of age. Around 30 months their utterances fand so forth more(prenominal) than complex, as they add additional address and also affixes and divergent grammatical morphemes. These premiere word-combinations show a number of characteristics. premier(prenominal), they be agreementatically simpletonr than adult prate. For instance, simple machinery voice communication ar generally non delectationd. menu that the omission of inflections, much(prenominal) as -s, -ing, -ed, shows that the youngster is being systematic or else than copying.If they were simply imitating what they heard, there is no fragmentizeicular reason why these grammatical elements would be omitted. Conjunctions (and), obligates (the, a), and prepositions (with) argon omitted too. provided is this beca manipulation they require extra processing, which the youngster is not yet capable of? Or do they as yet post nothing to the electric s packr butt end she find no hold for them? Second, as utterances become more complex and inflections are added, we find the famous over-regularizationwhich again shows, of course, that children are systematic, not simply copying what they here.Chomskys Influence look into on child quarrel was behaviouristicic in t he years that preceded Chomskys critique of Skinner, and his publication of Syntactic Structures though there had been precedents for restrictting problems in the study of child language acquisition at a more abstract, cognitive level by continental scholarsmost notably, Roman Jacobson (e. g. , 1941/1968) a good deal of the research on child language acquisition at midcentury was influenced to a gr eat oner or lesser degree by the exceedingly concrete, behaviorist orientation of B. F. Skinner and others.Two events were of major important in the transmute from behaviorist to cognitive thinking in research on child language. The first was Chomskys classic review (1959) of Verbal Behavior, Skinners major book-length work on the learning and use of language the warrant Handout for Psy 598-02, summer 2001 packer Two-Word Utterances 2 was the detailed tenaciousitudinal study of the acquisition of English by three young children conducted over a 17-month period by Roger brownness a nd others in the former(a) 1960s (brown, 1973). Ritchie, W. C. , & Bhatia, T. K. (1999). nestling language acquisition Introduction, foundations, and overview. In W. C. Ritchie & T. K. Bhatia (Eds. ), Handbook of child language acquisition, (pp. 3-30). San Diego faculty member Press, p. 3-4 note 2. A child who has learned a language has trustworthy an internal giftation of a system of rules (Chomsky, 1965, p. 25). The psychologists task, it follows, is to determine what the childs rules are. The linguist constructing a grammar for a language is in establish proposing a hypothesis concerning the internalized system (Chomsky, 1968, p.23).Up to the 1950s, people simply counted characteristics such as sentence complexness, proportion of grammatical utterances, and so on After Chomsky, the search was on for child grammars, assumed to be widely distributed. Roger browneds projectk In 1956 Roger Brown heard Chomsky for the first condemnation, speaking at Yale. In 1962 he began a five-year research project on childrens language at Harvard University. The historical significance of Browns laboratory at Harvard can nastyly be exaggerated.The names of students and colleagues who worked with Brown pop up all the time, to this day, in psycholinguistic research the list includes Jean Berko Gleason, Ursula Bellugi, David McNeill, Dan Slobin, Courtney Cazden, Richard Cromer, Jill de Villiers, Michael Maratsos, genus Melissa Bowerman, Eleanor Rosche, Sue Ervin (now Ervin-Tripp), Steven Pinker. Brown set out to write grammars for apiece of the stages of language suppuration, by looking at the distribution of operates and construction patterns in oral patois. In most eccentrics the data allow for more than virtuosogrammatical description.The description to be preferred, of course, is the virtuoso that corresponds to the way the speakers linguistic knowledge is structured, the one that determines the kinds of novel utterance he can conjure or understand, how h e constructs their contents, and what his intuitions are about grammatical well-formedness (Bowerman, 1988, p. 28) Every child processes the vernacular to which he is exposed so as to induce from it a latent structure. This latent rule structure is so general that a child can spin out its implications all his life want.The discovery of latent structure is the colossalest of the processes involved in language acquisition, and the most difficult to understand (Brown & Bellugi, 1964, p. 314) Brown collected samples of spontaneous speech from three children, given the pseudonyms spell, Eve, and Sarah. The corpus of collected data can be found in the boxer Two-Word Utterances 3 CHILDES archive. Eve was visited from age 18m to 26m, Adam from 27m to 42m, Sarah from 27m to 48m. Dan Slobin described the project We paid close attention to the auxiliary system and to word-order patterns, because these had played a commutation role in Syntactic Structures.We unploughed track of sentence typesaffirmative, negative, and questionsin which use of auxiliaries and word order would vary. lingual growth was assessed in price of things to be added to childish sentences to make them adult- akin the additions of omitted functors (inflections, prepositions, articles, and the standardized) and transformational operations. We did not categorize utterances in terms of communicative intentthat is, in terms of semantics or speech acts or extended discourse skillsand so we did not look for growth in terms of additions or enrichment of such abilities.Our central concern was with sentence structure and morphology, with some later interest in prosody. We upturned about such questions as whether child grammar was finite utter or transformational, and whether syntactical kernels were the first sentence forms to come forward in child speech (Slobin, 1988, p. 11). Mean Length of Utterance This simple measure of syntactic complexity was introduced by Roger Brown. Table 7. Rules fo r calculating mean length of utterance and speed bound (Brown, 1973, p. 54) 1. Start with the second page of the transcription unless that page involves a recitation of some kind.In this latter(prenominal) case start with the first recitation-free stretch. regard the first100 utterances satisfying the following rules. 2. Only fully transcribed utterances are used none with blanks. Portions of utterances, entered in parentheses to indicate doubtful transcription, are used. 3. imply all exact utterance repetitions ( mark with a plus sign in records). Stuttering is marked as repeated efforts at a single word count the word once in the most complete form produced. In the few cases where a word is produced for emphasis or the like (no, no, no) count each occurrence.4. Do not count such fillers as mm or oh, but do count no, yeah, and hi. 5. All intensify words (two or more free morphemes), proper names, and ritualized reduplications count as single words. Examples birthday, rackety-b oom, choo-choo, quack-quack, night-night, pocketbook, see saw. Justification is that no evidence that the constituent morphemes function as such for these children. 6. Count as one morpheme all strong pasts of the verb (got, did, went, saw). Justification is that there is no evidence that the child relates these to open forms.7.Count as one morpheme all diminutives (doggie, mommie) because these children at least do not keep back care to use the suffix fattyly. Diminutives are the standard forms used by the child. 8. Count as separate morphemes all auxiliaries (is, take for, will, can, must, would). Also all catenatives gonna, wanna, hafta. These latter counted as single morphemes rather than as sacking to or require to because evidence is that they function so for the children. Count as separate morphemes all inflections, for example, possessive s, plural s, third person grotesque s, regular past d, progressive ing. 9.The range count follows the above rules but is invaria bly calculated for the total meat packer Two-Word Utterances 4 transcription rather than for 100 utterances. The title of Browns 1973 book, summarizing of a decade of research (his own and other peoples), was A First Language The Early spots. A follow-up was planned, describing the later stages, but never written. What is this book about? It is about knowledge knowledge concerning grammar and the meanings coded by grammar. The book primarily presents evidence that knowledge of the kind described develops in an more or less never-ending form in all children, through at different rates.There is also evidence that the primary determinants of the order are the sexual intercourse semantical and grammatical complexity (58) Here is an early attempt to write a syntactic grammar of two-word speech, first describing only 89 notice utterances (Table 4), and so going beyond the obtained sentences to the syntactic classes they suggest (Table 5) (Brown & Fraser, 1964, pp. 59, 61) Packer Tw o-Word Utterances 5 Browns Two Main Findings Two main findings are described in A First Language. 1. The semantic Look of stand for I diction First, that the organization of early word-combinations cannot be described in purely syntactic terms.Brown and his coworkers quickly had to change direction. Syntactic descriptions didnt suffice. Thats to say, interpret I constructions couldnt be satisfactorily explained either as telegraphic speech, or in terms of pivot-open grammar. Telegraphic Speech One of the first ways of characterizing 2-word utterances was to say that they omitted function words, such as articles, auxiliary verbs, inflexions, prepositions, and the linking verb (is). The words that are spoken tend to be nouns, verbs, and adjectives, and their order tends to correspond the order in what one presumes the adult sentence would be.These characteristics make early utterances sound like telegrams. scarce inflections are omitted too, and these are free in telegrams. And a few functors such as more, no, you and off are found. more than important problems are that this description uses adult categories. And it doesnt explain the productive character of childrens two-word utterances. Pivot-Open grammars Martin Braine suggested that children hurl simple rules they use to generate two-word utterances. severally pair of words selects one from a flyspeck set of wordscalled pivotsthat occur in m both utterances, and perpetually in a primed(p) position (either the first word, or the second).For example, Allgone is a first-position pivot allgone egg, allgone shoe, but not shoe allgone. A second-position pivot off shirt off, water off, etc. The choice of the second word is more open. Packer Two-Word Utterances 6 But the rules simply do not fit the evidence pivot words do occur in isolation, pivots occur in combination with one another, sentences longer than two-words are fairly habitual in I, and there is distributional evidence which indicates that m ore than two word-classes exist (Brown, 1973, p. 110).Brown and his colleagues famous that adults continue childrens utterances. These expansions dont seem effective in education the child anything clean (Cazden, 1965). But they do provide important clues to the researcher. If one assumes that adult expansions are generally accurate interpretations of the childs utterance, then pivot-open grammars are inadequate because they underestimate the childs knowledge. (Both would simply be described as O + O. ) For example, Lois gush showed that when one attended to place setting the utterance mammy hump was used by her child in two different ways.The first could be glossed as Its mommys sleep together, while the second could be glossed mom is putting on your sock. A pivot-open grammar would not be able to distinguish these two. From Non-Semantic (Lean) Grammars to Semantic (Rich) Grammars So Brown and his co-workers started instead to describe two-word utterances in semantic ter ms. They employed a process that Lois Bloom called rich interpretation using all the contextual training available to infer what the child meant by an utterance.As Lois Bloom said, evaluation of the childrens language began with the grassroots assumption that it was possible to nettle the semantics of childrens sentences by considering nonlinguistic information from context and behavior in relation to linguistic performance. This is not to say that the inherent meaning or the childs actual semantic intent was obtainable for any given utterance. The semantic interpretation inherent in an utterance is part of the intuition of the child and cannot be known with authority.The only claim that could be made was the evaluation of an utterance in relation to the context in which it occurred provided more information for analyzing intrinsic structure than would a simple distributional analysis of the recorded corpus (Bloom, 1970, p. 10). The result was the identification of a small set of basic semantic relations that the childrens utterances seems to be expressing. The viii most common of these are summarized in the following table (cf. Brown, p.193-197) study Meanings at stratum I Two-Word Utterance mommy come papa sit drive car eat grape mommy sock baby book go park sit chair form table toy floor my slipperiness mommy dress Semantic relation expressed performer + action action + object element + object action + location entity + location possessor + possession Packer Two-Word Utterances 7 box shiny crayon big dat bullion dis telephone entity + attribute demonstrative + entity It seems that children when they first combine words talk about objects pointing them out, naming them, indicating their location, what they arelike, who owns them, and who is doing things to them.They also talk about actions performed by people, and the objects and locations of these actions. Brown suggested that these are the concepts the child has just finished differentiating in the sensorimotor stage. This kind of semantic characterization of childrens speech continues in veritable research. For example, the following table is redrawn from Golinkoff & Hirsh-Pasek, (1999, p. 151. ) The terminology differs a little, and regaining and Disappearance have been added (or at least were not in Browns authorise eight), but other than this the picture is the equivalent.Two-Word Utterance Mommy sock Probable meaning expressed Possessor-possessed or constituent (acting on) an object Recurrence Disappearance or Nonexistence Action on object Agent doing an action Object at location Object and property name Possible gloss Thats Mommys sock or Mommy, put on my sock I want more juice The outside is allgone (said after front door is closed) (Dad) is sticking the toy chicken The car is going The sweater is on the chair The dog is little That is Susan or Her name is Susan.More juice Allgone outside Throw chicken political machine go Sweater chair Little dog That Susa n What Grammar to Write? How to represent the knowledge that underlies childrens utterances viewed in these semantic terms? What kind of grammar can one write? Brown (1973) reviewed several possibilities are concluded that No fully explicit grammar proves to be possible (p. 244). Bloom wrote essentially syntactic grammars, which however included information necessary to give an appropriate semantic interpretation.Schlesinger (assigned reading) wrote a semantic grammar. Antinucci & Paresi (optional reading) wrote a grammar that included some pragmatic information too. The following is a grammar for one of the three children Bloom studied it consists of (1) the develop structure, (2) lexico feature rules, and (3) transformations (Bloom, 1970, pp. 67-68) Packer Two-Word Utterances 8 Packer Two-Word Utterances 9Criticism of instructive Analysis An interesting criticism of these semantic analyses was made by Howe in 1976. Howe noticed a lack of consistency across semantic potpourri of two-word utterances by Bloom, Slobin, Schlesinger and Brown, and suggested that the identification of semantic relations truly tells us more about adult interpretation of childrens speech that is does about what the child has in mind.Overall, the existence of contradictions between the categories presented in Table 1, the fact that some of the categories are not always mutually exclusive and the fact that it is hard to demonstrate that some of the so-called semantic distinctions are more than syntactic alternatives for expressing the same meaning, make it unlikely that Bloom, Brown, Schlesinger and Slobin have produced an adequate categorization of the meanings common to the speech of children at the sources of word combination or indeed of adults.All intravenous feeding writers tacitly assumed that the two-word utterances of young children always express a meaning adults might express using these words and hence their aim was to set which of the meanings adults might express o ccur in the first word combinations (Howe, 1976, p. 34). Howe take a firm stand that (as she later put it) there was no evidence that children at the beginning of word combination recognize a world containing agents, locations, and so on (Howe, 1981, p. 443). It is interesting to read the next rounds of this debate Bloom, Capatides, & Tackeff (1981), Golinkoff (1981), and Howes reply (1981).Bloom is witheringly derisive (and seems to miss the point of Howes article), Golinkoff is more constructive. Howe accepts Golinkoffs suggestion that non-linguistic data will show us how a child understands their situation, and she concludes that so far the research shows that children do not discover that language encodes roles played in actions and states of affairs, as distinct from entities involved in actions and states of affairs, until some time after their first word combinations (451).But Ithink theres a larger point here that Ill explore in class. Browns conclusions about Stage I Brown drew the following conclusions about Stage I The Stage I child operates as if all major sentence constituents were optional, and this does not seem to be because of some absolute ceiling on sentence complexity. In Stage II and after we shall see that he operates, often for long periods, as if grammatical morphemes were optional. Furthermore, the childs omissions are by no means limited to the relatively lawful omissions which also occur in adult speech.He often leaves out what is linguistically de rigueur. This suggests to me that the child expects always to be understood if he produces any appropriate words at all. And in fact we find that he would usually be pay off in this expectation as long as he speaks at home, in familiar surroundings, and to family members who know his history and inclinations. Stage I speech may then be said to be well commensurate to its communicative purpose, well adapted but narrowly adapted. In cutting surroundings and with less familiar addresses it wouldPacker Two-Word Utterances 10 often fail.This suggests that a major dimension of linguistic development is learning to express always and automatically certain things (agent, action, number, puree, and so on) even though these meanings may be in many ill-tempered contexts quite redundant. The child who is going to shine out into the world, as children do, must learn to make his speech in the main and flexible adaptive (Brown, 1973, p. 244-245).2. The Acquisition of Grammatical Morphemes in Stage IIThe second major finding that Brown reported in A First Language was that a set of little words and inflections begins to appear a few prepositions, especially in and on, an occasional article, an occasional linking verb am, is, or are, the plural and possessive inflections on the noun, the progressive, past, and third person present indicative inflections on the verb. All these, like an intricate sort of ivy, begin to grow up between and upon the major construction blocks, th e nouns and the verbs, to which Stage I is largely limited (Brown, 1973, p.249).Brown found that the 14 of these grammatical morphemes of English that he selected for detailed study were acquired in a fixed and universal order. These are the grammatical morphemes we discussed in an earlier class affixes like s, -ed, outgoing, and small function words like on, in, the. Weve already noted that these morphemes are omitted from the first word-combinations. Brown studied the way they are gradually added to a childs speech. This takes place in what he called Stage II.The child begins to explicitly mark notions such as number, specificity, filter, aspect, mood, using the inflections or unbind morphemes. Of course, Brown was studying only three children, but the finding of invariant order has stood up when larger numbers of children have been studied. For example, de Villiers and de Villiers (1973) replicated his finding with a sample of twenty-one children. Brown offered evidence that th e order of their acquisition was primed(p) by their linguistic complexity.(Thats to say, the number of features each of them encoded.) (Though he noted too that children differ greatly in their rate of acquisition of these morphemes. ) secernate 1. 2/3. 4. 5. 6. 7. 8. 9. 10. Morpheme present progressive prepositions plural irregular past tense possessive copulative uncontractible articles regular past tense third-person present tense regular Example singing playing in the cup on the floor books dolls broke went Mommys chair Susies teddy This is my book The teddyA table walked played he climbs Mommy cooks Packer Two-Word Utterances 11 11. 12. 13. 14.third-person present tense irregular auxiliary uncontractible copula contractible auxiliary contractible John has three cookies She was going to school Do you like me? Im happy you are special Mommys going shopping Brown examined each utterance is see whether it unavoidable any of these morphemes to make it fully grammatical by adult s tandards, aid to both linguistic and nonlinguistic context. E. g. , when the child points to a book and says that book, Brown inferred that there should have been a copula (s or is) and an article (a).Then he checked how many of these obligatory positions for each morpheme were actually filled with the appropriate morphemes at each age. Acquisitiondefined as the age at which a morpheme is supplied in 90 percent of its obligatory positionswas remarkably constant across Browns three subjects. wherefore did Brown study these morphemes? Presumably because they are at first omitted. But more importantly, he was trying to test the hypothesis that children are taught grammar by adults. And Brown found that frequency of exposure (in adult speech) was not a predictor.For example, adults used articles more frequently than prepositions, but children acquired these in the opposite order. Brown suggested that linguistic complexity does predict acquisition. The morphemes differ in both semantic complexity (the number of semantic features encoded) and syntactic complexity (the number of rules each requires). For example, the copula verb encodes both number and temporality. These two types of complexity are highly correlated, so they cannot be teased apart, but in either case they predict order of acquisition.The other important change that occurs in Stage II is that, as utterances grow in complexity, the child begins to combine two or more of the basic semantic relations from Stage I Adam hit ball = agent + action + object = agent + action, plus action + object The Other Stages of Language Acquisition to each one of the five stages that Brown distinguished is named for the linguistic process that is the major new development occurring in that stage (or for an exceptionally elaborate development of a process at that stage p. 59). Thus we have Packer Two-Word Utterances 12.Stage I. Semantic Roles & Syntactic Relations. MLU 1. 0 2. 0 agent, patient, instrument, locative etc . expressed (in simple sentences) by linear order, syntactic relations, prepositions or postpositions. Stage II. Grammatical Morphemes & the Modulation of Meaning. MLU 2. 0 2. 5 Stage III. Modalities of the Simple curse. MLU 2. 5 Next the child forms transformations of simple declarative sentences yes-no interrogatives, question request, negation, imperative. During the earlier stages children use intonation to mark different sentence modalities.Now they begin to use morphosemantic devices to mark negatives, questions, and imperatives. Stage IV. Embedding of Sentences One simple sentence will now become used as a grammatical constituent or in a semantic role within another sentence. Stage V. Coordination of Simple Sentences & Propositional Relations Sentences are linked together with connector words. individual Differences Brown also noted some individual differences among Adam, Eve, and Sarah. Two of the children combined V with N, and also used N for possession eat meat, throw ball, mommy sock.But the child third combined V (or objects of possession) with pronouns eat it, do this one, my teddy. These two strategies were found by other researchers too. Catherine Nelson called them pronominal & nominal strategies (they have also been called holistic & analytic expressive & referential), and noted that they could be seen in one-word utterances also some children tend to produce single-word utterances that are nouns, other children tend to use social or personal words such as hi, bye, and please.Subsequent research has explored the connections between these strategies and later development, cognitive style, and input differences (cf. Shore, 1995. Individual differences in language development, Sage). However, these strategies converge over time. By MLU=2. 5, sentence subjects (agents) are typically pronominal, and predicate objects (patients) are typically nominal. Packer Two-Word Utterances 13 Directions After Brown By the mid-1970s grammar-writing was dying out. Incorrect predictions had reject researchers, as had the problem of indeterminacy the fact that more than one grammar could be written.Interest was growing in other considerations in the role of semantics in cognitive precursors to syntax, and to language in general in mother-child interaction and in the pragmatic uses to which early speech is put. In the view of some people, linguistic structures and operations became neglected. 1. How Does the Child go from Semantics to Syntax? Weve seen that Browns research found that the grammar of childrens early word combinations was better described in semantic than in syntactic terms. If this is so, how does a child make the transition from a semantic grammar to the adult grammar?Researchers continue to argue about this. Steven Pinker (1984, 1987) suggests that children use semantics to enter the syntactic system of their language. In simple basic sentences the counterweight between things and names maps onto the syntactic category o f nouns. Words for physical attributes and changes of state map onto verbs. Semantic agents are almost always the grammatical subjects of sentences. This semantic-syntactic parallelism in early utterances provides a key to abstract syntactic categories of grammar.capital of Minnesota Bloom has argued that children actually are using syntactic categories from the start, and he cites as evidence for this the fact that children will they place adjectives before nouns but not pronouns big dog but not * small she Some linguists have offered a syntactic description of Stage I utterances. They argue that at this stage children merely have a lexicon and a limited set of phrase structure rules in deep-structure. They lack functional categories such as INFL (inflectionals) and COMP (complementizers).No transformations exist at this stage instead, elements of the deep structure are assigned thematic (i. e. semantic) roles to yield the surfacestructure. And they have proposed that the lack of grammatical subjects in Stage I utterances reflects the default setting of a null-subject parameter. (Since in languages like Italian and Spanish a subject is optional. ) Lois Bloom (1990b) has suggested that children simply have a more limited processing capacity at this age. Sentence subjects are often provided by context, and so can be safely omitted.Dan Slobin has proposed that children create grammars in which clearly identifiable surface forms map onto basic semantic categories (1988, p. 15). Packer Two-Word Utterances 14 For example, locative prepositionsin, on, underare omitted in early child speech. They are used earlier in languages when they are encoded more outstandinglyas noun suffixes or as postpositions following nouns. At the same time, there is a common order of emergence across languages simple topological notions of proximity, containment and support (in, on, under, next to), with locative relations embodying notions of perspective (back, front) always later.Slo bin infers that abstract development provides the content for linguistic expression, while linguistic discovery procedures are necessary for working out the mapping of content according to conventions of particular languages (p. 15). Slobin has looked carefully at the English grammatical morphemesand their equivalents in other languagesto see how they are used before they are completely acquired (by Browns 90% criterion). He finds that children generally use the morphemes systematically, though their use is lock incomplete by adult standards.For example, a Russian child employ the accusatory inflection only to nouns that were objects of direct, physical manipulation, such as give, carry, put, and throw, omitting the accusative for less manipulative verbs such as read and see. Children will mould systems of pronouns and case inflections but, to begin with, children will organize these various forms to express particular, child-oriented speech functions (p. 18). They are using t he resources of the adult language to mark distinctions that are salient to them.Slobin has also proposed some universal language-learning principles. These are an attempt to explain observed cross-language regularities in order of acquisition. According to Slobin, the child has certain concepts, based on cognitive growth, that are expressed through the language system. Using certain principles of acquisition, the child scans the language code to discover the means of comprehension and take (Owens, 2001, p. 214-215). 1. Pay attention to the ends of words 2. Phonological forms of words can be systematically modified 3.Pay attention to the order of words and morphemes 4. suspend interruption and rearrangement of linguistic units 5. Underlying semantic relations should be marked overtly and clearly 6. Avoid exceptions 7. The use of grammatical markers should make semantic sense Knowledge of Verb syntax Lois Bloom asserts that learning the argument structure of verbs, and the syntact ic differences for different thematic relations is the foundation for acquiring a grammar. Verbs play a central role in further multiword utterances.Opinions differ, however, on how knowledge of verb syntax is acquired. Bloom suggests that the first verbs are those that name actions (do, make, push, eat). Nouns and pronouns take thematic roles (agent, object) in relation to these actions. Bloom says that this implies that childrens theories of objects, space, and causation are important here. Packer Two-Word Utterances 15 A few all-purpose verbspro-verbsare used for most early sentences. E. g. , do, go. With these, verb argument structures, verb inflections, and Wh-questions are learned.Subsequently, the child adds the syntax for negation, noun- and verb-inflection, and questions. And then moves on to embedded verb phrases (drink Mommy juice) 2. From Semantics to Semantics Language involves a great deal of categorization. The forms of language are themselves categories, and these fo rms are linked to a coarse network of categorical distinctions in meaning and discourse function (Bowerman, 1988, p. 28-29).
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