shall的用法及短语 shall的用法 shall的用法总结口诀( 二 ) _的

注意：will和其否定形式won’t可以用来表示下决心。如：I won’t be late for school next time.
十二、used to的用法
used to用于表示过去真实或经常性的行为，特别强调现在不那样了，意为“过去” 。如：They used to get up early.
*总结：
1.表示能力的情态动词有can, could 。如：The boy could write when he was five years old.
2.表示推测，即“可能、可能性”的情态动词有must，can，could，may，might 。
情态动词
肯定式
否定式
疑问式
must
一定；必然
/
/
can
/
不可能
有可能吗
could
微弱的可能
/
有可能吗
may
或许；也许
可能不
/
might
可能
可能不
/
3.表示许可或征求对方许可的情态动词有can，could，may，might 。如：You can start your work now.
4.表示请求对方做事情的情态动词有will，would，could 。如：Would you mind opening the door?/Could you please tell me the train to get there?
5.表示建议和邀请的情态动词有should, had better, would, shall 。如：Would you like to play football wit us?
6.表示意愿的情态动词有would 。如：I would like/love to be a teacher in the future.
7.表示应该和义务的情态动词有must，should 。如：You should talk to your parents.
8.表示命令、禁止、不得不的情态动词有must，mustn’t,have to 。如：You mustn’t tell it to anyone.
9.表示没必要做某事的情态动词有needn’t, don’t/doesn’t/didn’t have to 。如：You needn’t worry about me.
【shall的用法及短语 shall的用法 shall的用法总结口诀】十三、练习
（一）根据句意，填入合适的情态动词，使句子意思完整。
1.You_____go to Hainan Island if you like sunny weather.
2.You_____use red paper for hongbao because red means luck during the Spring Festival in China.
3.At the bus stop, you_____push your way onto the bus in England.
4.She_____be at home because she went to Dalian just now.
5.Need I hand my homework in now? Yes, you_____.
6.May I ask you a question? Yes, you_____.
7.We_____go to Alaska in summer because the days are long and warm.
8._____we go rock climbing? No, you can’t.
9.I_____smoke from today on because it’s harmful to my health.
10.Must I go now? No, you_____.
（二）句子翻译。
1.我们最好现在送你去医院。
2.在大山里你们必须小心落石。
3.救援来到之前我们应该做什么？
4.在中国，我们可以立刻打开礼物吗？
5.人们在春假期间不准打碎东西。
6.他们今天不得不待在家里，因为大雪。
7.带上相机，因为你有可能拍秋天的树的照片。
8.你能告诉我博物馆在哪吗？
9.我们没必要在公交车站等他了。
10.你想要来点水吗？
*练习参考答案
（一）1.may/can/might 2.must 3.mustn’t 4.can’t 5.must 6.may 7.had better/should 8.Can 9.won’t 10.needn’t.
（二）
1.We had better get/take you to hospital now.
2.You must be careful of falling rocks in the mountains.
3.What should we do before help arrives?
4.Can we open the gifts immediately in China?
5.People mustn’t break anything during the Spring Festival.
6.They have to stay at home because of heavy snow today.
7.Bring your camera because you can take photos of the autumn trees.
8.Can/Could you tell me where the museum is?
9.We don’t have to/needn’t wait for him at the bus stop.
10.Would you like some water?