反义疑问句的七种形式应该是：
肯定陈述句：He goes to school, doesn't he?
否定陈述句：They didn't leave home, did they?
肯定there be句型：There is some water, isn't there?
否定there be句型：There are no people, are there?
Let's开头的祈使句：Let's play football, shall we?
其它开头的祈使句：Come here, will you?
