General

Auxiliary verb Subject Predicate or part of it Object Adverbial modifier
Do you watch TV in the evening?
Have they got free time in summer?
Does she wash her hair in the morning?

Special (except the subject)

Interrogative Pronoun Auxiliary Verb Subject Predicate Part of Predicate Object Adverbial Modifier
Why does she come to school so early?
Who did you borrow the money from?
Where shall we go   now?

 

Special (to the subject)

Interrogative Pronoun (+ a noun) Predicate Object Adverbial Modifier
Who gave you the information?
Which bus goes   to the city centre?
Whose friends will visit him in hospital?