Wh Questions

What

asking for information about something, Example: What is your name?

When

asking about time, Example: When did he leave?

Where

asking in or at what place or position, Example: Where do they live?

Which

asking about choice, Example: Which colour do you want?

Who

asking what or which person or people (subject), Example: Who opened the door?

Whose

asking about ownership, Example: Whose are these keys?

Why

asking for reason, asking what...for, Example: Why do you say that?

How

asking about manner, Example: How does this work?