what
1
used in questions to ask for information or for someone’s opinion
- What did you have for breakfast?
- What is the capital of France?
- What is your favorite color?
- What is your opinion on the matter?
2
used to represent an entire idea, concept, or clause within a sentence that acts as the subject or object of the verb or preposition
- I didn't understand what you said.
- Tell me what you need.
- He is curious about what she does.
- It's important to consider what they want.