一般疑问句,什么时候用be提问?什么时候用do/does?

问题描述:

一般疑问句,什么时候用be提问?什么时候用do/does?
比如:1:A:(your friends,write)_____a lot of e-mails?
B:no,___.they(do)____an exercise.
2:(the weather,affect)_____your mood?
3:A:(jane study)____at the library this evening?
4:(jane play)______pool every evening?

如果这几句非要用do或does的话(我的意思是有几个句子可以用其他时态),那麽:1.Do your friends...(your friends是第三人称复数,一般现在时态,所以用do)2.No,they don't.They do an exercise(因为主语是they,复数,...