Table 4.

Wh-Question Types Produced by Children

Question type	Example
Subject question	Who_____has that? Who_____wrote it?
Object question	Which one do you want_____? What is he eating_____?
Where question	Where’d it go? Where’s the baby doll?
Predicate Nominative a	What’s that? What is it? Who is that?
Other wh-question	How can you do that? Why won’t it work?

^aAlso includes predicate adjective questions, such as “what’s blue?” or “who is big?”