情态动词归类大全
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情态动词
一:情态动词的用法:
常用的情态动词有can,may,must,need,should, had better.
1. can 的用法:
①表示能力“能,会” eg: He can speak a little Japanese.他会说一点日语。
②表示请求或许可“可以” eg: Can I help you? 要我帮忙吗?
③表示猜测“可能” eg: Where can she go now? 她可能到哪里去了呢?
2.may 的用法:
①表示请求或允许“可以”“准许” eg: May I go home,please?请问我可以回家吗?
②表示可能性“可能”、也许” eg: I think it may rain this afternoon. 我想今天下午可能下雨。注:might为may的过去式,但也可以代替may,语气较为婉转客气或更加不肯定。
eg: ① He might not come today.今天他也许不来了。(语气不肯定)
②You might also get a headache when you work too hard,当你工作太努力时,你也可能患头痛
3. must的用法:
①表示义务、必要或命令“必须、应该” eg: You must come early tomorrow.你明天得早来。
②表示推测时“肯定,一定” eg: They must be at home.The light is on 他们肯定在家,灯亮着呢.
③ must not 禁止,不许 eg: You must not tell lies. 你不许撒谎。
注意:①must开头的疑问句,其否定回答通常用 don't have to 或needn't 。而不用mustn't
eg: ---Must I finish my homework first? 我必须先完成作业吗?
---No, you don't have to/ needn't. 不,你不必。
② can 和 must在表推测时,can一般否定句中,而must 常用于肯定句中。
eg: ①It can not be Li Lei 那个人不可能是李磊② It must be Li Lei 那个人肯定是李磊。
4. need 的用法:
①情态动词“需要,有必要”一般用于否定句或疑问句中。eg: You needn't come here this afternoon.你今天下午不必要过来。
②行为动词“需要, 有必要”可以用于各种句式中。
eg: ①You don't need to go now. 你不必现在就走。② I need to have a rest. 我需要休息一下
③ Do we need to finish all the work today? 我们今天需要完成所有的工作吗?
③need的用法的助记口诀:
实义动词表“需要”,后接名、代、不定式。 need后接动名词,主动形式表被动。
情态动词表“需要”,没有人称数之变。其后直接加动原,多用疑问与否定。
5.征求许可或给予许可,“我可以···?”用句型“Can/May/Could/Might I...?”其中"Can I...?"属于非正式用法,"May I ...?"属于正式用法。"Could/Might I...?"的回答通常不用could或might,而用may或can或其他表示客气的词语。
6.肯定句中表推测“可能”:can,could,may,might都可以在肯定句中表“可能”。其中can的语气最强,可能性最大,其余依次递减。肯定句中表推测“一定,肯定”用must.
7.疑问句中表推测“可能”:用can,could,might,而不能用may. mustn't 不表示推测,而表示禁止。
意义为“禁止,不准”
8.否定句中表推测: may not/might not:可能不 can not/could not:不可能
eg: ①You may not be right.你也许不对. ② You can not be right.你不可能对.
9.以may(表许可或请求)开头的一般疑问句的肯定回答用may,否定回答用mustn't或can't。
10.表示“必须”时,must表示主观看法,have to强调客观需要。
11.ought to和should两者都表示应该,但是ought to比should语气强。
12.would rather与than连用,其结构是:would rather...than...或would...rather than...。would(rather)和than后面都接动词原形,如果用的动词相同,则than后省去该动词。would rather...than...的意义为“宁愿···而不是···”eg:I would rather play football than baseball.我宁愿踢足球而不愿打棒球。
13. 情态动词的助记口诀:
情态动词两要点:动词原形跟后边没有人称、数之变
can 表能力 may许可 must来把责任担(必须)否定回答need换。
need需要 dare敢 should应该 would like 愿(意) have to“不得不”表客观。
14.had better用法的助记口诀:
表示“建议”和“忠告”,had better 为最好。建议某人“最好不···”,要用 had better not do。
2003-2008年河南及全国中考题
2003---2008年河南中考题组
1.(2005河南)You look tired now ,you stay at home and have a rest .
A.had to
B.had better
C.would like to
D.would rather
2.(2005河南)--Must I return the book tomorrow morning ? --No ,you .You keep it for three days .
A.mustn't ,may
B.mustn't ,must
C.needn't ,can
D.needn't ,must
3.(2006河南)--Must I go and do it now ? --No ,you ,We still have two more days .
A.shouldn't
B.can't
C.needn't
D.won't
4.(2007河南)--I didn't pass the math test.I think I have spent too much time playing computer games recently . --I agree .You play like that any more .
A.needn't
B.mustn't
C.may not
D.wouldn't
5.(08河南)--Our class won the English speaking contest. --Congratulations! You be very proud of it.
A. can
B. need
C. would
D. must
6.(08河南)It seems that it is going to rain. You'd better the window open when you leave the house.
A. not leave
B. leave
C. not to leave
D. to leave
2003---2008年全国中考题组
1.(2003天津)You go and ask Meimei .She know the answer .
A.must ,can
B.must ,may
C.need ,can
D.can, may
2.(2003福建福州)--Must I stay at home ,Mum? --No ,you .
A.mustn't
B.may not
C.can't
D.don't have to
3.(2003广东广州)The boy said he had to speak English in class ,but he speak it after class .
A.could
B.didn't have to
C.might
D.shouldn't
4.(2004江苏苏州)Could you tell me if he finish the work on time ?
A.could
B.was able to
C.is able to
D.would be able to
5.(2004上海)We keep the new traffic law and learn how to protect ourselves .
A.may
B.should c.can D.need
6.(2004广东佛山)--What a nice day! We go surfing ? --Good idea !
A.Shall
B.Must
C.can
D.Need
7.(2004乌鲁木齐)--Tom, don't drive too fast ,you hit the other's cars . --OK ,I won't Mum .
A.must
B.need
C.may
D.have to
8.(2005安徽)You be careful with fire when you have a picnic in the forest .It's too dangerous .
A.will
B.must
C.can
D.may
9.(2005江苏南通)You worry about him ,He will get well soon.
A.needn't
B.can't
C.mustn't
D.may not
10.(2005海南)--I don't mind telling you what I know. --You ,I'm not asking you for it .
A.needn't
B.mustn't
C.may not
D.can't
11.(2005厦门)I'm sorry .I go now ,My father told me on the phone that my mother was ill.
A.can
B.may
C.have to
D.think
12.(2005宁波)--Don't forget to come to my birthday party tomorrow . .
A.I don't
B.I won't
C.I can't
D.I haven't
13.(2006海南)--May I go out and play tennis ,Dad ? --Yes ,but you finish your homework first .
A.can
B.could
C.may
D.must
14.(2006安徽)Although you did well this time ,you look down on(看不起) others .
A.had better
B.ought to
C.shouldn't
D.wouldn't
15.(2006甘肃金昌)--Could you please pass the book on the shelf to me ? -- .
A.You are welcome
B.No, I couldn't
C.Certainly .Here you are
D.Yes , I could
16.(2006湖南常德)--Whose volleyball is this ? --It be Carla's .She never plays volleyball.