AAC Language Lab Home » Stages of Language Development
Language Stage 5
The person at stage five learns to use the articles "a" and "the". The concept of past tense becomes more refined. They learn that some verbs are irregular and don't use "ed" as a past tense ending. All this happens by listening, experimenting, and attending to good models. The person begins to use verbs that end in "s" for third person regular present tense.
| Approx. Vocab. Size | Utterance Length in Morphemes* | Examples |
|---|---|---|
| 2,000 to 3,000 words | Range: 3.75 to 4.5 Mean: 4.0 |
Mom is coming in. Dad will help me. Look at it go. Those are my cars. |
*a morpheme is the smallest unit of meaning in a language
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