can/could 能（could比can更委婉）
may 1.也许 2.能
&&&& can和may作“能”的区别：can后边通常接的是you,通常是请求对方能不能帮助自己做某事,may后边通常接的是I，通常是询问对方自己是否能做某事
maybe 也许 might 也许
shall/should应该
ought to do sth 应该做某事
have to do sth 不得不做某事
will/would 愿意 词组：be willing to do sth 愿意做某事
must 必须 mustn’t 禁止
must提问的句子，肯定回答是Yes,you must,否定回答用No,you needn’t.
need to do sth 需要做某事 needn’t 不必
dare do敢于...
must be 100%肯定回答
can’t be 100%否定回答
You’d better do sth 你最好做某事
易错样题整理：
1.---May I watch TV for a while?
---No,you______.You have to finish your homework first.
A.shouldn’t B.needn’t C.mustn’t D.won’t
2. ---May I put may car here?
---No,you_____.Put it over,please.
A.shouldn’t B.needn’t C.mustn’t D.wouldn’t
3. ---You ______ be excited that you are going back to your hometown soon.
---Yes,I can’t wait any longer.
A.shall B.can C.need D.must
4. ---May I play football here,miss?
---Sorry!You______play football in the busy stree.,It’s dangerous!
A.needn’t B.mustn’t C.won’t D.wouldn’t下载本文
