Examined data for two Danish children to determine subject omission, verb usage, and sentence subjects. Found that children exhibit asymmetry in subject omission according to verb type as subjects are omitted from main verb utterances more frequently than from copula utterances. Concluded that treatment of child subject omission should involve…

Demonstrates that an understanding of children's language-acquisition difficulties with a wide range of syntactic constructions should be derived from limitations on the child's ability to deal with processing load and formal representational complexity. Maintains this can be done only in the context of a view of syntactic representation…

The basic-operations hypothesis predicts that for any transformation which is composed of more than one basic operation, there exists a class of errors in children's speech correctly analyzed as failure to apply one (or more) of the operations specified in the adult formulation of the rule. (Author/CTM)