In children acquiring various languages, the early mastery of determiners strongly predicts syntactic development. What makes determiners important is not yet clear as there is a linguistic controversy regarding their syntactic behaviour. Some consider determiners to be similar to adjectives and to modify common nouns, while others consider the…

Many sentences of adult English are analytic constructions, namely clauses with a matrix verb complemented by a dependent predicate that does not have an expressed syntactic subject. Examples are subject and object control, raising to subject or object, periphrastic tense, aspect and modality, copular predication and "do"-support. In…

Two hypotheses related to the emergence of multiword speech were explored: (1) that multiword speech follows developments in children's ability to map communicative intents to single-word expressions; and (2) that the acquisition of these mapping principles paves the way for the emergence of syntax. The developments consist of an increase in the…