2 WH-INTERROGATIVE CLAUSE THIS CAN FUNCTION AS SUBJECT, DIRECT O...

2.2.2.2 Wh-interrogative clause

This can function as subject, direct object, subject complement, appositive,

adjectival complement and prepositional complement.

Subject: Why you did that is still a mystery

Direct object: No one tell me who broke my car

Subject complement: The question is where Mary is

Appositive: Their wishes - how they can be more beautiful - never become

true

Adjectival complement: I am unbelievable how he can solve it

Prepositional complement: They argued about when they made a cake