1) 一般疑问句

Is he a doctor?

Do you the way to the station?

2) 反意疑问句

He is a teacher, isn’t he?

It is quite cheap, don’t you think?

3) 特殊疑问句

What is the distance/width/size/population/temperature/fare?

Who is he?

What is he?(干什么的）

What is he like?

How is he?

How do you like him?

What do you think of him?

What ever do you mean by saying this?

4) 选择疑问句

He is a doctor or a nurse?

5) 间接疑问句

Do you know how old he is?

Tell me if (whether) you like it.

What do you think/say/suppose I should do?