高中情态动词汇总

情态动词can 1能、会(能力)2可以(许可)(与may互换)3可能(推测)(只用否、疑)Eg:Can I use your pen? He cant be a student can be able to =May I use your pen Can he be a student? can表人、物的能力He may be a student be able to表有生命力物能力Eg:The boat is able to carry 5people may 1可以(许可)2可能(推测)(只用肯否)Eg:May I go now?Yes,you may She may not be a studentNo,you cant (may not) 不缩写No,you mustntCould 1 能、会(过去的能力)2可以(许可)比can婉转,用could 问,用can答Eg:-------Could I use your pen?-----Yes,you can3推测(可用肯定,可能性比Can小)eg:It could be rainingmight 1 may的过去式2推测(比may可能性小)3可以(自立词条)比may婉转Eg Might I sit hereYes .you maymust 1 必须,(否mustn’t needn’t don’t need to don’t have to) Eg ---Must (need)I go now?Yes,you must/no,you needn’t2一定(推测)(否Cant)Eg He must be a studentHe cant be a studentneed 半情半实译:他不必做作业,他必须做作业吗?used to 过去常常做(现在不做了)used to do-----usednt to do/didn’t use to do would也表过去常常Did he use to do/used he to do 但后接动作不接状态dare(dared)用法与need 相同,在疑问句,否定句中,做行为动词,to可省Eg:Do you dare (to) jump off the wall?She doesn’t dare (to) say anythingought to 1应该,否ought not to do=shouldn’t2该会(推测)will 1 愿意(一、二、三人称)eg:She will give anything he wants 2征求意见、请求(问句)Eg:Will you come here?3 推测(三人称)可能Eg:That will be toms capwould 1愿意(will过去)2征求意见、请求(比will客气)3也许、大概(推测)4过去习惯shall 1征求意见(用一、三人称,问句中)egShall we go swimming(=what about going swimming)2命令、禁止(二人称)Eg You shall not spit on the floor? should 1应该2该是、可能(推测)eg He should be about 9区别:Should=ought toHad betterBe supposed to do=should domay well (后+动原)完全可能,很可能may well not do sth=be likely to do Eg:His appearance has changes so much that you may well not recognize her may as well (后+动原)最好,倒不如(= had better)=might as well egYou may as well stay here overnight对现在进行的推测can may could might must都可对be doing推测cant /might/might not/may/may not/must/could/could not/should/ought to be doing对过去的推测may have done (肯否)might have done (肯否)1可能已经做2本可以,本应该,表劝告或责备can have done (否疑)could have done (否疑肯)1可能已经做2本可以,本应该,表责备can not have donecould not have done决不会,不可能做may not have donemight not have done可能没做must have done 一定已经译汉:I am afraid be may have fallen illShe might have studied English for yearsYou didn’t take the bus or you might have b een killed I cant find her now ,where can she have gone?You could have come earlierThey could have reached the town by nowHe cant have lost his wayHe may not have lost his wayThey must have won the match表虚拟的句子could have done 本能neednt have done 本不必(区分didn’t need to do)ought to have done 1本该2应该已经,应该会should have done 1本该2应该已经,应该会should not have done 本不该=ought not to have done 本不该Would like/love to have done本想做Would have done 本会做(将不会做)(与过去的事实相反)Wouldn’t have done 本不会做(将会做)(与过去的事实相反)主+be to have done原计划,原安排Think plan want mean hope suppose等词本身的过去式表与现在相反,本身过去完成表与过去事情相反,表原想做但没做Eg she needn’t have come here yesterdayShe didn’t need to come here yesterdayYou ought to have returned the book last weekI think he ought to have arrived here by nowYou shouldn’t lend him money yesterday题:1Henry be at home because he phoned me from the farm just nowA mustn’t b isn’t abl e to c may not d cant2Buses and cars stop when the traffic lights are redA can b must c may d need3…listen! Someone is singing in the next room.Who it be ?Is it WeiFang?…No,it be her.She is at school nowA will,may not b must ,mustn’t c may,cant d may,wont4…Excuse me.Will you please tell me the way to the railway stati on?….Oh,sorry,but I don’t know.You go and ask that policemanA may b must c would d should5…Children all like this book….I think it very interestingA need be b must be c may be d can be6…May I go to the cinema,dad?...No,you.You must finish yo ur homework first A mustn’t b wont c don’t d needn’t7She know the answer,but I am not sureA maybe b may be c may d must8…Must I go with them tomorr ow?...No,youA mustn’t b shouldn’t c needn’t d cant9 I have your name,please?...yes,John.A must b will c may d need10 You pass me a pen?I would like to write down the telephone numberA need b could c must d would11You had better late next timeA not be b not to be c being not d to be not12He come here tomorrowA don’t need b doesn’t need to c needn’t to d needs not13He come here tomorrow?A needn’t b needn’t c doesn’t need d needs not14 I think that your mother must be waiting for you at home now,A mustn’t she b needn’t she c isn’t she d doesn’t she15She was late for the lecture and missed part of it .You her earlier.A must have told b should have told c should tell d must tell16 He have noticed me ,for I found his eyes fixed on the notice.A cant b musnt c may not d might not17Since you have to catch an early train, you nowA might as well leave b ought to have left c must as well leave d can as well leave18Will you stay for lunch? Sorry, .My brother is coming to see meA I mustn’t b I cant c I needn’t d I wont19 You must have known each other for years, you?A didn’t b hadn’t c haven’t d mustn’t20…L iming hasn’t come yet…..well, Where on such night?A must he have gone b ought he have gone c could he have gone d would he have gone 21Jack yet, otherwise he would have telephone meA mustn’t have arrived b shouldn’t have arrivedc cant have arrived d needn’t have arrived22….Dont be so disappointed. I am sure that you can do better in the next exam…..Yes , but I this time.A should be more careful b could be more carefulc should have been more careful d must have done more careful23 You the flowers. Look, its raining now.A mustn’t have watered b might have wateredc could have watered d needn’t have watered24…Did Jane go to the party last night?….Yes, but she at home. Her little sister needed her careA may have stayed b must have stayed c should stay d ought to have stayed25….Did you go to the English summer camp last July?…..but I got sick the last minuteA I had been planning to go b I have been planning to goc I have planned to go d I would like to go26I would love to the party last night but I had to work extra hours to finish a report.A to go b to have gone c going d having gone27T he man couldn’t even if he in time.A have been saved, had been treated b be saved , have been treatedC be saved, had been treated d had been saved, would have been treated28I come yesterday, but I couldn’tA ought to have b must c was to d ought to29…Did you listen to the speech?….No ,we it .but we had a lot of traffic on our way.A must have attended b shouldn’t have attendedC could attend d would have attended30..Did they visit the famous university?….No, they it, but they spent too much time shoppingA must have visited b could have visi ted c cant have visited d shouldn’t have vi sited31 ….You know that you were driving at 120km an hour, don’t you?…..No , officer. I .This car cant do more than 90kmA may not have been b couldn’t have been c mustn’t have been d couldn’t be32 I You somewhere before, but your name has escaped meA must see,for a moment b must have seen,for a momentC must see ,for the moment d must have seen,for the moment。