资源简介

(共17张PPT)
动词性结构
虚拟语气
01
02
表示假的，非真实的事件。
用以表达怀疑、忧虑、推测、假设或想象的语气
虚拟语气是什么？
基础知识if虚拟条件句从句（if条件句）主句（结果）与现在事实相反If +主语+ did/were主语+ would/could/should/might + do与过去事实相反If +主语+ haddone主语+ would/could/should/might+ have done与将来事实相反(该事件发生可能性极低)If +主语+ did/were;If +主语+ should + do;If +主语+ were to do;主语+ would/could/should/might + do基础知识if虚拟条件句如果我是你，我就戒了游戏努力学习。If Iwereyou, Iwould giveup games and study hard.如果你有100万美元，你会做什么呢？If youhada million dollars, whatwouldyoudo 昨天如果乔伊没有载我们回家的话， 我们就会打电话叫出租车。(offer sb a ride to sp.)Wewould have calla taxi if Joeyhadn’ t offeredus a ride home yesterday.4. ----Do you think George has passed the driving test ----没有。要是考过了，他昨天就开车到我们大学来了。----No. If hehad passedit / If so, Hewould have drivento our college.如果天气晴朗，我们就会出去野餐。If itweresunny/should besunny/were to besunny tomorrow, wewould goout to have a picnic.她说了明天不会来。不过，如果她来了，我会让她给你打电话的。She said she wouldn’ t come tomorrow. But if shecame/were to come/should come, Iwould askher to ring you.这种情况叫做错综虚拟语气。其实就是根据各自的具体时间而定。如果主从句时间不同怎么办？比如：如果暑假下点雨，现在就不会那么热了。所以这句话应该这样说：________________________________________If it had rained in the summer holiday, it would not be so hot now.基础知识错综虚拟条件句基础知识错综虚拟条件句如果我是你，我就接受他的建议了。If Iwereyou, Iwould have takenhis advice.如果我们没有做准备工作，我们下周就不敢做实验了。If wehadn’ t madepreparations, wewouldn’ t dareto do the experiment next week.3.如果我们今天下午不考试， 我们现在就去购物了。If wewere not to havean exam this afternoon, wewould goshopping now.基础知识含蓄虚拟语气情况一：若非，要不是—— but for/ without +名词+主句（结果虚拟语气结构）要不是你帮忙，我不会获得英语写作竞赛第一名。But for/ Without your help, I would not have won the first prize in the English Writing Competition.情况二：要不然，否则——A句（一般时态）+ otherwise/but/or + B句（结果虚拟语气结构）我不知道他们在等我，否则，我就会早点来了。I didn’ t know they were waiting for me, otherwise, I would have come sooner.基础知识名词性从句的虚拟语气情况一：wish +虚拟语气（条件从句结构;将来：could/would do）他真希望没有失去那次机会。He wishes he had not lost the chance.我希望我的家乡四季如春。I wish it were spring in my hometown all year round.我们都希望你明天能来参加聚会。We all wish you could come to the party tomorrow.基础知识名词性从句的虚拟语气情况二：一坚持，二命令，四建议，四要求+ that sb (should) do sth.一坚持：insist二命令：order, command三建议：suggest, advise, propose, recommend四要求：request, demand, require, ask.老师劝我们要好好利用在这里的每一分钟。The teacher advised us that we should make good use of every minute here.专项训练If I hadn’ t been faced with so many barriers, I __________________(not be) where I am.What a pity! You missed the sightseeing，or we ______________________(have) a good time together．The workers were not better organized, otherwise they _______________________________(accomplish) the task in half the time.They might have found a better hotel if they_______________(drive) a few more kilometers.There is a good social life in the village, and I wish I _______(have) a second chance to become more involved now.If we ______________(catch) the flight yesterday, we would be enjoying our holiday on the beach.If the new safety system _______________(put) to use, the accident would never have happened.couldn’ t bewould have hadwould have accomplishedhad drivenhadhad caughthad been put专项训练But for their help，we ______________________________(not finish) the program on time.If I ___________________(not see) it with my own eyes, I wouldn't have believed it.Thank you for all your hard work last week. I don’t think we ________________________(manage) it without you.Eye doctors recommend that a child's first eye exam ______(be) at the age of six months old．We ______________(be) back in the hotel now if you hadn't lost the map.If Mr. Dewey _______________(be) present, he would have offered any possible assistance to the people there.They got two free tickets to Canada, otherwise they__________________________(not be) able to afford to go.If we______________(take) the other road, we might have arrived here in time for the meeting.couldn’ t have finishedhadn’ t seencould have managebewould behad beenwouldn’ t have beenhad taken基础知识特殊虚拟句型句型一：主句（一般时态）+ as if/ though +从句（条件虚拟语气结构；将来：would/might/could do）他待我如陌生人。He treats me as if I were a stranger.会议似乎永远也开不完。It seems as if the meeting would never end.我童年的一切涌入脑海，仿佛刚刚发生的一样。(涌入脑海：sth crowd in on sb)Everything in my childhood crowded in on me as if it had just happened.基础知识特殊虚拟句型句型二：主句 （结果虚拟语气结构）+ if only +从句（条件虚拟语气结构）要是……就好了我要是知道她名字就好了。If only I knew her name.If only he had lain quietly as the doctor instructed, he would not suffer so much now.要是按照医生的指示安静得躺着，他现在就不会这样痛苦了。基础知识特殊虚拟句型句型三：would rather +宾语从句（条件虚拟语气结构）宁愿……我宁愿你当时不在场。l’ d rather you hadn’t been present.我宁愿你明天去。I'd rather you went tomorrow.I‘d rather you hadn’t told him the news that day.我宁可你那天没有把那消息告诉他．基础知识特殊虚拟句型句型四：情态动词+ have done表虚拟should have done本应该shouldn’ t have done本不应该could have done本可以couldn’ t have done本不可以would have done本会wouldn’ t have done本不会need have done本需要needn’ t have done本不需要It was an easy test and he should have passed, but he didn’t.I would have told you the story about him, but you were not home.She needn’t have come in person, a letter would have been enough.I could have given you some hints, but I suppose you thought yourself too grand.专项训练You ____________(scold) him for his poor performance. After all, he had done his best.-Do you have Betty's phone number？-Yes．Otherwise，I _________(not be) able to reach her yesterday．It is lucky we booked a room，or we __________(have) nowhere to stay now．Look at the trouble I am in! If only I ________(follow)your advice．I ____________(not go) through that bitter period without your generous help.I wish I ______(be)at my sister's wedding last Tuesday，but I was on a business trip in New York then.We ________(put) John's name on the race list yesterday but for his recent injury．The baby smiled as if he _______(understand) what his mother said.shouldn’t have scoldedcouldn’t have beenwould havehad followedwouldn’t have gonehad beenwould have puthad understood专项训练They were abroad during the months when we were carrying out the investigation, or they _____________________(come) to our help.We would rather our daughter ________(stay) at home with us，but it is her choice，and she is not a child any longer．Teachers recommend parents ____________(allow) their children under 12 to ride bicycles to school for safety.Grace doesn't want to move to New York because she thinks if she ________________________________ (live) there, she wouldn't be able to see her parents very often.Without his wartime experiences，Hemingway ______________________________(not write) his famous novel A Farewell to Arms．I ____________________(go) to my cousin's birthday party last night, but I was not available.We lost our way in that small village, otherwise we________________________(visit) more places of interest yesterday.would have comestayednot allowwere to live/should live/livedwouldn’t have writtenshould have gonewould have visited

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