1、What:什么。
例句:What are you doing?
翻译:你在干什么?
2、When:什么时候。
例句:When shall we go there?
翻译:我们什么时候去那里?
3、Where:哪里。
例句:Where are you?
翻译:你在哪里?
4、who:谁
例句:Who do you think you are?
翻译:你以为你是谁?
5、why:为什么。
例句:Why he went there is a mystery to me.
翻译:他为什么到那里去,这对我来说是个谜。