Brown’s morphemes and syntactic development
Which Brown’s Stage corresponds roughly to MLU 1.0–2.0 and consists mainly of single-word utterances and early word combinations?
Stage l
The morpheme –ing (present progressive) typically appears first because it is:
Phonologically simple and frequently modeled
Brown’s Stage II (MLU ≈ 2.0–2.5) is characterized by the emergence of:
Present progressive –ing, in, on, plural –s