The interrogative adjectives (which and what) modify nouns (including noun phrases) and are used in questions.
Which car was involved? (modifies "car")
What book are they reading? (modifies "book")
What are adjectives?
What are compound adjectives?
Enumeration of adjectives
You cannot start a sentence with who or which unless it is a question.
I enjoy weeding. Which is helpful, because I have a large
Click on the interrogative adjective: