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Brown's Stages of Syntactic and Morphological Development
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Brown's Stages of Syntactic and Morphological Development
Stage I
Nomination that car That's a car
Recurrence more juice There is more juice
Negation-denial no soo soo I didn't do soo soo
Negation-rejection no more I don't want more
Negation-
non-existence birdie go The bird has gone
Action + Agent daddy kiss Daddy is kissing
Action + Object push truck Pushing the truck
Agent + Object man hat The man (wears) a hat
Action + Locative in bath I am in the bath
Entity + Locative dolly bed The dolly is on the bed
Possessor + Possession
(object) Kim car Kim's car
Entity + Attributive water hot The water is hot
Demonstrative + Entity that train Not this train
irregular past tense
's posessive
man's book
uncontractible copula
Is it mommy?
Reference
Brown, R. (1973). A first language: The early stages. London: George Allen & Unwin
In http://www.speech-language-therapy.com/
15 - 30 months
MLU- Mean Length of Utterance
1.75
Typical Expressive Language Development
Reference
Examples
Intent
Semantic Relationship
Examples
Intent
"Brown's Stages" were identified by Roger Brown 1925-1997 and described in his classic book (Brown,1973).
Stage II
28 - 36 months
MLU- 2.25
The stages provide a framework within which to understand and predict the path that normal expressive language development usually takes, in terms of morphology and syntax.
- 1 present progressive
"it going"
- 2 in
"in box"
"on box"
- 3 on
"my dolls"
- 4 -s plural
Morphology is the branch of grammar devoted to the study of the structure or forms of words, primarily through the use of the morpheme construct.
A morpheme is a unit of meaning.
SEND- 1 word = 1 unit of meaning
RESEND- 1 word = 2 units of meaning
Stage III
Syntax is a traditional term for the study of the rules governing the combination of words to form sentences.
36 - 42 months
MLU- 2.75
- 5
- 6
- 7
me fell down
Stage IV
40 - 46 months
MLU- 3.5
- 9
- 10
- 8
regular past tense
she jumped
articles
a book, the ball
third person regular present tense
the winner takes it
Stage V
42 - 52+ months
MLU- 4. 0
- 13
- 12
- 11
- 14