A study examined 12 preschool children's early use of "who,""what," and "which" questions in spontaneous speech. Results indicated that children began to ask object questions before they asked subject questions, and acquired argument questions before adjunct questions. It was suggested that the two results could…

The acquisition of the copula and auxiliary "be" forms of "am,""is," and "are" was studied with 16 children. Spontaneous social speech samples were obtained from each child. One child's speech was sampled for approximately one hour per week from age 2;5 through 4;0, and for one-half hour per week from age 4;1 to 5;0. A second child's speech was…

Preschoolers' ability to understand grammatical relations in passives and to generalize was studied using animate referents. Three- to five-year-old children were taught to produce passive sentence descriptions of events in which animacy of the actor and acted-on object were varied. After pretesting to determine passive sentence comprehension, the…

Two possible iconic models of the acquisition of verb agreement in American Sign Language (ASL) are developed and contrasted with a third, morphological account of the acquisition of this aspect of ASL. Additionally, data from spontaneous conversation of deaf children who have deaf parents are considered to test these three models. An iconic model…