In fact,some children beginning school in their fifth or sixth year may still perfer to form Wh-wuestions (especislly with negatives)without the type of inversion found in adult speech(e.g. Why kitty can't...?instead of Why can't kitty...?). Apart form these problems with Wh-questions and continuing troujle with the morphology if verbs(e.g.Did I caught...?instead of Did I catch...?),Stage3 questions are generally quite close to the adult model,as in these example: