will表推测是什么意思

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will表推测是什么意思

will表推测是什么意思
will表推测是什么意思

will表推测是什么意思
will表推测,只能用于肯定句,“可能,该是”
的意思
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历年高考试题对情态动词的考查热点有:1. 情态动词+do表对现在推测的用法.2. 情态动词+have+done 结构表过去推测或虚拟的用法.3. shall表命令、指示、意图、允诺;义务、规定的用法.4. must 表主张或与说话人愿望相反及不耐烦.下面就结合历年高考试题对情态动词的常见考点进行总结与归纳.
1. 情态动词+do表对现在推测的用法.
1)肯定的推测可用must -will-would -ought to-should-may-might(语气逐渐减弱,可能性从大到小.).e.g.
①It’s nearly seven o’clock.Jack ___ be here at any moment.(NMET 95) A.must B.need C.should D.can
[分析]答案C. 句意: 快七点了.Jack随时可能到来.should表可能性、推测或推论,“可能/该”.
②—Are you coming to Jeff’s party?
— I’m not sure. I ___go to the concert instead.(NMET 2000)
A. must B. would C. should D. might
[分析]答案D. 句意:--你会来参加Jeff的聚会吗?--说不准.我可能去听音乐会. might 表可能性较小的推测,“可能/也许”.
③—Is John coming by train?
— He should, but he________not. He likes driving his car. (NMET2002)
A. must B. can C. need D. may
[分析]答案D. 句意:-- John将要坐火车来吗?--他可能乘火车,但也可能不.他喜欢开自己的车.must not表“不准”; can not表“不可能”;needn’t 表“不必”,表“可能不”.

2)否定的推测要用may not(口气较弱),can’t(口气较强),couldn’t(口气介于两者之间).e.g. ①- Isn' t that Ann's husband over there?
- No, it _______ be him -I'm sure he doesn't wear glasses. (NMET2004)
A. can't B. must not C. won't D. may not
[分析]答案A. 句意:--那边那个人不是Ann的丈夫吗?--不是,不可能是他—我肯定他是不戴眼镜的;can用于否定句表示怀疑和否定;must/will只能用于肯定句,表示有把握的推测.
②You ______ be tired - you've only been working for an hour. (NMET 2004)
A. must not B. won' t C. can' t D. may not
[分析] 答案 C. 句意:你不可能感到累--你才只干了一个小时. can' t 表较有把握的否定推测,“不可能”; will表推测,只能用于肯定句,“可能,该是”;may not表不大有把握的否定推测,“可能不”; must not表禁止,“不准”.
3)疑问的推测一般只用can/could(可能性更小) .
e.g. ①How____ you say that you really understand the whole story if you have covered only part of the article ? (2003年上海卷)
A.can B.must C.need D.may
[分析]答案A. 句意:如果你只看完了文章的部分内容,你怎么能够说真正地懂了整个故事呢?can用于疑问句表怀疑;must表义务、命令或必要;need 表必要;may表请求允许.
2. 情态动词+have+done 结构表过去推测或虚拟的用法.
1) can/could+ have done :“想必已/本来能”.can主要用于否定和疑问句;could不受限制,比can更委婉.
2) may/might+have done :“可能已”.疑问句中may要用can代;might不受限制,比may更委婉.
3) must+have done :“肯定已/谅必”.常用于肯定句.
4) should/ought to :“本应该/可能”. 不受限制.
5) would+have done :“本来要/会”. 不受限制.
6) dare not+have done :“本来不敢”.多用于否定句.
7) need not+have done:“本来不必”. 多用于否定句.
8) would rather+have done:“宁愿已/曾”.
e.g. ①I was really anxious about you. You__home without a word. (NMET2001)
A. mustn’t leave B. shouldn’t have left C. couldn’t have left D. needn’t leave
[分析]答案B. 句意:我真地为你而担忧.你本不该一言不发就离开家的.mustn’t leave和needn’t leave表禁止和不必,都指现在;shouldn’t have done作“本不应该”解;couldn’t have left表“本来不能”.
② —I’ll tell Mary about her new job tomorrow.
—You________ her last week. (2004年福建卷)
A.ought to tell B.would have told C.must tell D.should have told
[分析]答案D. 句意:--我明天将要告诉Mary有关她的新工作的事.--你本应该上周就告诉她的;ought to /must do表“应当/必须”,指现在或将来; would have done表“本来要/会“;should have done表示所期望的动作未完成,作“本应该”解.
③-Tom graduated from college at a very young age.
-Oh, he ______have been a very smart boy then. (NMET2004)
A could B. should C. might D must
[分析]答案 D. 句意:- Tom年纪轻轻的就大学毕业了.-哦,他当时肯定是个很聪明的孩子.must have done是对过去的肯定推测;should have done表示所期望的动作未完成,作“本应该”解;could have done /might have done 表示“本来能够/可以”,都是可能性较小的推测.
3. shall表命令、指示、意图、允诺;义务、规定的用法.
1) shall用于第二、三人称的陈述句,表警告、命令、意图、允诺、决心等,“必须/应/可”.
2) shall在条约、规章、法令等文件中用于第三人称,表义务或规定,“应/必须”.
e.g. ①It has been announced that candidates ___remain in their seats until all the papers have been collected. (2002年上海卷)
A.can B. will C.may D.shall
[分析]答案D. 句意:已经宣布了试卷全部收回后应试者才可离开座位.shall表命令或指示;may/ can表允许;will表意愿.
②“The interest ________ be divided into five parts, according to the agreement made by both sides,” declared the judge. (2004年重庆卷)
A. may B. should C. must D. shall
[分析]答案D. 句意:法官宣布,“根据双方达成的协议,利息应分成五部分.”shall表义务或规定, “必须/应”; must和 should都表义务/责任 ,意为“应该/当”;may表允许.
③— Excuse me, but I want to use your computer to type a report.
— You ______ have my computer if you don't take care of it. (2004年湖南卷)
A.shan't B.might not C.needn't D. shouldn't
[分析]答案A. 句意:--对不起,我想用你的电脑打一篇报告.--如果你不把我的电脑照管好,你就不可以借.shan't=shall not. shall表说话者的意图、允诺、警告、命令、决心等;might not也表不可以,但语气过分委婉;needn't表不必;shouldn't表不该
4. must 表主张或与说话人愿望相反及不耐烦的用法.
1) must 表主张,“一定要/坚持要”.
2)must 表与说话人愿望相反及不耐烦,“偏要”.
e.g. ①— Who is the girl standing over there ?
— Well , if you ________ know , her name is Mabel . (2004年天津卷)
A. may B. can C. must D. shall
[分析]答案C. 句意:-站在那边的女孩是谁?-哦,如果你一定要知道的话,那我就告诉你她叫Mabel.may/can表允许,“可以”;must表主张,“一定/坚持要”;shall用在表意图、要求的从句中,有“应该/要”之意.
②John , look at the time . _____ you play the piano at such a late hour ?
A. Must B. Can C. May D. Need
[分析]答案A. 本题考查情态动词的用法.must 表是与说话人愿望相反或不耐烦,意思是“偏要”.

没有"猜测"这个意思.must 和can not 分别表示肯定和否定猜测