1. what 引导的名词性从句

That’s what you just said. 

Ask not what your country can do for you; ask what you can do for your country. 

What he said was not truth.

You can have what you want.

I am not what I was.

2. What if...

What if I ask more politely?

What if someone saw me?

What if I say no?

What if I forget my passport?

What if I want to take this flight?

3. make+sb.+a.

The golden sunshine did not make him glad.

The war makes her worried.

The death of his father makes him sad.

The interesting game makes them excited.

The bad weather makes her upset.

4. hunt+somewhere+for...

Every afternoon, Davy hunted the fields for the prettiest flowers.

The man was hunting in the whole city for a clean place.

The boy was hunting on the road for his missing pencil.

Laura was hunting in the library for her favorite novel.