一般疑问句,什么时候用be提问?什么时候用do/does?

题目

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?
5：A:what are they doing?(they,watch)____tv?
B:NO,they_____.Thry(paly)_______a game.
6:A:I am trying to sleep.
B:sorry,i won't bother you.Tom,shhh.BIll(rest)_____.

答案

5.They are watching
aren't; are playing
6.is resting
如果句子要表达的时态是现在进行时态,
那麽要用be+动词ing的形式.
特别提醒第六题题意有暗示是现在进行时,要注意体会分析.