Age Semantics Syntax Pragmatics Morphology Phonology Receptive: Receptive: Receptive: Receptive: Expressive : • Perceives other’s • Follows directions • Acknowledges • First 50 words: Most emotions using one/two word • Follows directions often have CV shape; speech using one or two • Follows simple one-step spatial concepts of another by giving use commands conceptsspatial —in/on Expressive: eye same consonants used in • Comprehends approximately 300 words • MLU 1.0-2.0 (12-26 contact, vocally early babbling; use of months) Expressive : reduplication, syllable (1 ½-2 years) responding, or • Brown’s Stage I: repeating a word said • Possessive deletion, assimilation, • Listens to short stories (1 Basic Expressive: (18emerging-24 months) and final consonant ½-2 years) Semantic Roles and • Locutionary intents deletion; words are Expressive: Relations (18-24 express same • First true word selected or avoided for • Average expressive months) functions emerges (10-14 expression based on vocabulary size: 50-100 • Two-word utterances with words that were months) favored and avoided words at 18 months emerge (18-24 months) expressed before with • Yes/no asked with sounds (12-18 months) • Semantic roles • Word order is preverbal means (12- rising intonation on • Some echolalia (12-18 months) expressed in one-word consistent (18- 18 singlea word; what and • Basically 12-24 speech include the 24 months) months) where (12-22 months) following: agent, action, • Frequency of unintelligible with months • Utterances are object, location, “telegraphic” with few communicative acts: • Combines 2 exception of a few possession, denial, grammatical markers 5/min of free play words into phrase words (12-18 months) rejection, (12- 18 months) (18-24 months) (18-24 months) • Vocalized pleasure and disappearance, •Negation is used in the • Frequency of word displeasure (12-18 nonexistence (12-18 form of “no” use months) months) • Refers to self with increases over • Accurately imitates • Words are understood pronoun and name. preverbal some words (12-18 outside of routine Example: “Me Sarah”. communication (i.e. months) games; still need (18-24 months) requesting • By 24 months 9-10 contextual support for • Uses negation in the information, initial and 5-6 final lexical comprehension form of “no”. answering questions, consonants are used (18- (12-18 months) Example: acknowledging) (18- 24 months) “No bed”. (18-24 24 • Speech is 50% months) months) intelligible (18-24 •Frequency of months) communicative acts: 7.5/min of free play (18-24 months) • Brings object to show an adult • Requests objects by pointing and vocalizing or possibly using word approximation • Average expressive • 33% of utterances are • 70% of consonants are vocabulary size: 200- nouns (18-24 months) correct (18-24 months) 300 words at 24 months • Agent+action, • Says “bye” and a • CVC and two-syllable • Understand single agent+object, otherfew conversational words emerge (18-24 words for objects out of agent+location (18-24 ritual words such as months) sight (18-24 months) months) “thank“hi”, you” and “please” • Jargon babble emerges • Understand two-word • Improvement in relations similar to those •Answers simple wh- intelligibility expressed (18-24 questions with vocal (approximately 65% months) response intelligible) by 2 years • Prevalent relations • Much verbal turn- expressed as follows: taking agent-action, agent- object, action-object, • Begins using single action-location, entity- words and two word location, possessor- phrases to command possession, (move), indicate demonstrative-entity, possession (mine), attribute-entity (18-24 express problems months) (owee) • Points to one to three body parts on command •Identifies two or more objects/pictures from a group • Turns head in response to hearing his/her name •Begins to claim certain objects • Answers question “what’s this?” • Asks for “more” (emerging recurrence) • Uses names of most familiar objects • Verbalizes toilet needs (closer to 2 years) may verbalize need before, during, or after act Receptive: Receptive: Receptive: Receptive: Expressive: • Comprehends • Understands concept • Understands when • Understands –est and • Awareness of rhyme approximately 500 of first and second clarification is needed other superlatives emerges (24-30 months) words (2-2 ½ years) person pronouns (I, converin sation you) • Comprehends first • May omit final • Listens to 5 to 10 Expressive: person pronouns (ex. consonant, reduce minute story (2-2 ½ • Understands what, • Frequency of topic shehe, ) consonant blends; years) where, and why continuations increase, substitute one consonant questions about basic mostly through Expressive: for another (24-30 24-36 • Carries out 2-step events repetition (24-30 • Articles “a” and months) commands months) appear“the” in sentences Expressive: • Speech is 75% months • Has concept of “one” • Present progressive – •”Please” used for • And appears (22-26 intelligible at 36 and “all” ing (no auxiliary polite requests (24-30 months) months (30-36 verb).Example : Mommy months) months) • Comprehends driving. (19-28 •New intents include • Regular plural • Ability to produce approximately 900 months) following:the symbolic emergingforms (24-30 rhyme emerges (30-36 words (2 ½-3 years) • Subject+ verb+ play, talk about months) months) appearsobject (22-26 objects,absent Expressive: months) realitymisrepresenting (24-30 months) • Combines 3-4 words • Consonants mastered: • Understanding and use • Brown’s Stage II: (24-30 months) /p/, /m/, /n/, /w/, /h/ of questions about Grammatical •Narrative are “heap (30-36 months) object (what?), people (24Morphemes-30 months) stories” primarily • But, so, or, and if (who?), basic events andlabels descriptions (24- appear (31-32 months) 30 (what (x) doing? Where • Use of no, not, can’t, months) (x) going?) (24-30 don’t as negation • In. Example: Ball months) between subject and • Topic continuation cup.in (27-30 months) (24verb-30 months) nears 50% (30-36 • Uses 200 intelligible months) • On. Example: words (24-30 months) • Questions formed onDoggie sofa. (27 -30 risingwith intonation only • Topics are months) • Use and understanding (24-30 months) bycontinued adding new • Regular plural –s. of “why” questions (30- information (30-36 Example: Kitties eat 36 months) • Sentences with semi- months) icemy cream. (27-33 auxiliaries gonna, months) • Understanding and use wanna, gotta, hafta • Some requests for of basic spatial terms appear (24-30 clarification provided (30-36 months) months) (30-36 months) • MLU 2.0-2.5 (27- • Responds months)30 • Use of language in appropriately to yes/no play increases (30-36 questions • Subject+ copula+ months) complement appears • Points to five body (27-28 months) • Narratives are parts on self or doll “sequences” with theme • Uses 500 intelligible • Basic subject-verb- but no plot words (30-36 months) object used by most • Expresses emotion children (28-30 • Repeats two numbers months) • Begins using correctly • Subject+ auxiliary+ inlanguage imaginative ways verb+ object appears • Names 6 objects by use (31-31 months) • Brown’s Stage III: Modulation of Simple Sentences (30-36 months) •Asks basic questions (Daddy gone?) • MLU 2.5-3.0 (31-34 months) • 25% of utterances are nouns, 25% are verbs • Auxiliary verb appears with copula in subject+ auxiliary+ copula+ x Rec e p t i v e : Expressive: Expressive: Expressive: Expressive: • Listens to 20 minute • Regular past –ed. • More flexibility in • Combines 4-5 words • Use of reduplication, story Example: Mommy requesting, including: sentencesin syllable deletion, thepulled wagon. (26-48 permission directives assimilation and final • Comprehends months) and indirect requests • Irregular past. consonant deletion is approximately 1,200 (36-42 months) Example: Came, fell, less common (36-42 words (36-42 months) • Uncontractible broke, sat, went (25- months) (verbcopula to be as main • Direct requests months)46 • Comprehends 1,500- verb). Example: He is. decrease in frequency, • Use of stopping, 2,000 words (42-48 (response to “Who’s as indirect requests • Posessive ‘s. fronting, cluster months) sick?) (27-39 months) increase (36-42 MommyExample’s :ballo on reduction, and liquid •months) Narratives are (26broke.-40 months simplification 36-48 • Understands basic • Articles. “primitive” with theme (36continues-42 months) months color words seeExample a kitty. :(28 I -40 and some months) temporal • Use of cluster Expressive: organization (36- reduction decreases • Semantic relations • Uncontractible 42 months) 48(42 months)- between adjacent and auxiliary. Example: • New functions emerge conjoined sentences is.He (response to Who’s including: reporting • 90% of children have include the following: wearing your hat?) paston events, reasoning, mastered /b/, /d/, /k/, additive, temporal, 48(29 months)- predicting, expressing /g/, /ng/, /f/, /s/, and causal, contrastive (36- empathy, creating /w/ 42 months) • Brown’s Stage Late imaginary roles/ EarlyIV- V (42-48 andprops, maintaining • Phonological • Understanding of basic months) interactions (36-42 disappearingprocesses by 36 color words (36-42 • Beginning to use “is” months) months: consonant months) at beginning of assimilation, questions • Engages in longer diminutization, • Use and understanding of dialogues finaldoubling, consonant basic kinship terms deletion, • (36-42 months) Use and understanding • Uses “and” as prevocalic voicing, of “when” and “how” conjunction • Begins code reduplication, questions (36-42 whenswitching talking to very unstressed