In many sentences, Arlo used the contractible copula “is” to refer to the train set we were playing with, things in the environment, and answers to my questions. Moreover, Arlo primarily used the two Brown’s prepositions and the articles. Arlo mostly used simple sentences with a copula; however, he did use some regular past tense, irregular past tense, and third-person singular verbs. In the speech sample, Arlo had an MLU of 5.84, which is higher than what is expected at this age. Arlo used utterances that ranged from 1 morpheme to 15 morphemes during the play session. Arlo used many utterances of different lengths, but he did not use many grammatical morphemes. For example, Arlo mainly talked about current things and did not use many of the tense marking
In many sentences, Arlo used the contractible copula “is” to refer to the train set we were playing with, things in the environment, and answers to my questions. Moreover, Arlo primarily used the two Brown’s prepositions and the articles. Arlo mostly used simple sentences with a copula; however, he did use some regular past tense, irregular past tense, and third-person singular verbs. In the speech sample, Arlo had an MLU of 5.84, which is higher than what is expected at this age. Arlo used utterances that ranged from 1 morpheme to 15 morphemes during the play session. Arlo used many utterances of different lengths, but he did not use many grammatical morphemes. For example, Arlo mainly talked about current things and did not use many of the tense marking