一般疑问句：助动词,be动词,情态动词放到句首,回答通常是Yes/no
Do you like apples?Yes, I do./No, I don,t
Is he a teacher?Yes ,he is./No, he isn't
Will you go to Shanghai tomorrow?Yes, I will./No, i won't.
特殊疑问句：特殊疑问词开头,通常是想知道具体的内容.
What do you like?I like apples.
How old are you? I am 14 years old.
When will you leave?I will leave at 4p.m.
选择疑问句： or
Which do you like, apples or pears?I like apples.
反义疑问句,又称附加疑问句
He is a teacher, isn,t he?
He isn't a teacher, is he?
遵循的规则是前面肯定后面否定,前面否定后面肯定