《高考英语二轮复习资料》情态动词和虚拟语气---原创版.docx.pdf
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1、情态动词主要考点 考点一、情态动词的基本用法 can 和 could 1.表示能够做某事 ( abili(y) ,could 主要指过去吋态。 2.表示许可,用于疑问句表示请求(could)更委婉,用否定表示不允许。 3.can还可表示一时的可能性. exercise: 1.1am starving to death? I _ eat two bowls of rice now. 2. Remember to pack more winter clothes into your suitcase. The winter in Chicago _ be extremely cold . 3. -
2、 - I use your bike tomorrow morning? - Yes, you _ . must Tust 用于肯定何中表示说话人的意志和义务,意为“必须” ;mustnl 表示“禁止” 2.must还表示“非得,偏要”表示说话人的不满情绪。 3.must开头的疑问句,肯定冋答用must,否定冋答用 “needrft/dorTt have to“ exercise: 1.You _ smoking in the room. If you _ smoke, go out please. 2. - Must I arrive at the station at 6 oclock?
3、-No, you _ ? M 匚 Smith will go to pick them up ? wil 和 would 1.will(would) 表意愿,用于各种人称。 2.will/would 在疑问句屮表示征求对方的许“J 或者请求,常川于第二人称,些时would 不 是 will 的过去式,只表示语气比will 更委婉,也可用could,might. 3.would 还可表过去重复、习惯性的动作,“总是,老是”,但要区别于used to do, 后者强 调过去与现在对比,would 则不。 exercise: 1.1 _ choose Jack to be my partner. 2
4、. _ you help me turn down the radio? 3. When I was in trouble, he _ always be the first to offer help? 4. He _ sit at the door waiting for his son coming back. 5. He _ get up early. shall 1.在疑问句屮, shall 用来征求意见或请求指示,用于第一第三人称。 2.与第二、三人称连用在陈述句中表示命令、警告、威胁、允诺,或者表示法律、规定中 义务和规定。 exercise: 1? You _ have a b
5、ar of chocolate if you finish the homework as soon as possible ? 2.It has been announced that all the students _ remain in their seats until all the papers have been collected. should 1.表示必要性,意为“应该”。 2.还可以表示出乎意料,竞然,居然 exercise: 1 .You _ wear the safety belt while driving. 2.Such a well-behaved stude
6、nt _ cheat in the exam. 3. _ Why you be so late today? need 和 dare 两者都既可作情态动诃,又可作实义动词。常用于否定和疑问句中。 - Need I come? - Yes, you _ /No, you _ She dare not go out alone at night./ She doesrf t dare to go out alone at night. 考点二、情态动词表推测 现在时过去时 肯定推测 must/may/might/should do must/may/might/should have done 否
7、定推测 can/could/may/might not do can/could/may/might not have done Lean有时会用于肯定句中表示推测,意为“有时会 “(sometimes) 2 .could have done在肯定句中表示“本来能够做某事而没做”,表示对过去没有做某事的遗 憾。 3.should用來表示推测吋意思为“应该”,含有“按道理來说应当如此” exeicise: 1? He _ be in the classroom, for the light has been turned off. 2.He _ be ill. He looks so pale.
8、 3.There_ be any difficulty about passing the road test since you have practiced a lot in the driving school. 4.It is usually warm in my hometown in March, but it _ be rather cold sometimes. 考点三、情态动词 +have done 常见几组用法 1.should/ought to have done 木应该做却没冇做 2.shouldrf “ought not to have done 木不应该做某事却做了
9、 3.could have done木可以做而没有做 4.might have done本可能。但实际上没有发牛的事 5.needn have done 木没必要做而做了 ecercise: 1.I _ (pass) the exam, but 1 spent much time on the computer games. 2.Perhaps we _ (take)the other road. It _ (be) quicke匚 情态动词中的几个特殊用法 1 . Cannot/can never too/enough 表示“无论也不过分、再怎么也不为过” You cant be too c
10、arefull while driving. You cannot remember enough English words. 2 . may as well +动词原形,意为 “最好, 倒不如” You may as well do it at once. 3 . may well +动词原形,相当于 “be likely to de sth.”,很有可能 Her appearance has changed so much that you may well not recognize her. 4 . cannot but choose to do 意为“不得不 , 只好做,别无选择”
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