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1、精选学习资料 - - - 欢迎下载精品学习资料一.语气的分类module 5第三课时虚拟语气讲解语气 mood为一种动词形式,用以表示说话者的意图或态度;英语中的语气有三种:陈述语气.祈使语气和虚拟语气;(1) 陈述语气 indicative mood、表示所说的话为事实;(2) 祈使语气imperative mood、表示所说的话为恳求或命令;(3) 虚拟语气 subjunctive mood、表示说的话不为事实, 或者为不行能发生的情形,而为一种愿望.建议或与事实相反的假设等;二.虚拟语气在条件句中的应用学习虚拟语气在条件句中的用法之前我们必需清晰条件句的种类:条件句有真实条件句与非真实条
2、件句或称虚拟条件句 两种;真实条件句所表示的假设为可能发生或实现的,句中的从句与主句都用陈述语气;例如: if it doesnt rain tomorrow、 i will go for a picnic.虚拟条件句所表示的假设就为不行能或不大可能发生或实现的,句中的从句与主句皆须用虚拟语气;从句主句与现在事实相反的假设if+主语+动词过去式( be的过去式用 were)主语+should /would/might/could动词原形与过去事实相反的假设if+主语+had+过去分词主语+ should /would/might/could+ have 过去分词if+ 主语+动词过去式( be
3、 的过与将来事实相反的假设去式用 were);should动词原形;were to动词原形主语+ should /would/might/could+动词原形1. 与现在事实相反的虚拟条件句的例句:(1) if i had hiv、 i would know because i would feel sick.(2) if i were you、 i would give aids patient a hug.2. 与过去事实相反的虚拟条件句的例句:(3) if i had taken your advice、 i wouldnt have made a mistake.(4) if he h
4、ad been there、 it wouldnhap pe t n he ad ve .3. 与将来事实可能相反的虚拟条件句的例句:(5) if it should rain tomorrow、 they wouldnt go for an outing.1精选学习资料 - - - 欢迎下载精品学习资料(6) i think we could do it、 if we planned it properly and could borrowthe tools.(7) if we were to have three days off、 we would enjoy a very happyl
5、ife.三.if虚拟条件句型留意点:1 错综时间条件句当条件状语从句表示的行为和主句所表示的行为所发生的时间不一样时,称为“错综时间条件句” ,主句和从句的谓语动词要依照假设的时间而定;if the weather had been finer、 the crops would be growing still better.if you had followed the teachers advice、 you wouldn in trou blteb .e假如虚拟条件句的谓语部分有were,had和 should时,可省略 if,这为应把 were,had和 should放到从句主语前面去
6、进行倒装; if i were you、 i would give it up.were i you、 i would give it up. if it were not for your advice、 we couldnt have got over thedifficulties.were it not for your advice、 we couldn t have goovterthe difficulties. if i had had time、 i would have run round that lake again.had i had time、 i would ha
7、ve run round that lake again. if there should be a flood、 what should we do.should there be a flood、 what should we do.四.虚拟语气特别句型:1. wish 的宾语从句现在:过去时( were)过去:过去完成时将来:过去将来时,即:would /could /might + v.(1) i wish i were a bird.(现在)(2) i wish i hadnt made such a m(ist过ak去e.)(3) we wish our parents would
8、nt puni(sh将 u来s. )现在:过去时2. would rather +clause过去:过去完成时将来:过去时(1) i would rather you paid me now.(2) i would rather you had gone、 too.(3) dont come. i would rather you came tomorrow.现在:过去时3. as if /though + clause过去:过去完成时将来:过去将来时(1) she loves the baby as if it were her own son.2精选学习资料 - - - 欢迎下载精品学习资
9、料(2) i remember the whole thing as if it had happenedyesterday.(3) he learns english so hard as if he would go to theu.s.a. 留意:假如表示的事情可能会发生或为事实,那么方式状语从句中的谓语动词可用陈述语气;例如:it looks as if it is going to rain.4. it s about/high time+that过去时should +v.(1) 你该走了it s high time that you went.it s high time that
10、 you should go.(2) 我们该去睡了it s time that we went to bed.it s time that we shouldtg oobed.5. 表示要求,命令,建议的虚拟语气常见动词:一个坚持,两个命令,四个建议,四个要求;即:insistorder、 command advise、 suggest、 propose、recommenddemand 、 require、 request、 desire 这些动词后面的宾语从句要使用虚拟语气用法;即从句中的动词要使用should + 动词原形,或者将should 省略;(1) we suggested tha
11、t tom have a rest.(2) he insisted that i shouldbe present.(3) the king ordered that the prisoners be killed the next day.(4) they requested that we should send them to work there.【留意】如 suggest作“说明,示意”将时不用虚拟语气;insist 表示“坚持认为”讲,也不用虚拟语气;例如:(1) his expression suggested he was angry.(2) he insisted that
12、he had nothing to do withit. 以上动词相应的名词order、 advice、 suggestion、 proposal、demand、request构成的名词性从句包括主语从句,表语从句和同位语也要使用虚拟语气;即从句中的动词要使用should + 动词原形;6. 用介词短语代替条件状语从句;常用的介词有:with .without 和 but for ;(1) what would you do with a million dollars. = if you had a million dollars(2) but for your help、 i wouldn
13、 t have finished the w = orik f.i hadn t gotyour help(3) without your help、 i would have failed.=if it had not been for yourhelp7. 含蓄条件句有时为了表达的需要,在虚拟语气中并不总为显现if 引导的条件句,而通过其他手段来代替条件句;如:3精选学习资料 - - - 欢迎下载精品学习资料(1) i was ill that day. otherwise、 i would have taken part in the sports meet.(2) he telepho
14、ned to inform me of your birthday、 or i would have knownnothing about it.(3) i might have given you more help、 but i was toobusy.(4) everything taken into consideration、 they would have raised theiroutput quickly.7. if only要为就好了(1) if only i knew his name.(2) if only we had followed your advice.(3)
15、if only i could see him again.8. its necessary /sg tre a/nnatural/ important + that clause从句中的动词要用虚拟,即( should)+动词原形(1) it is important that we should master a foreignlanguage.(2) it is strange that she refuse to come to the party.(3) it s necessary thatw sh eould study hard.六.习题1if he had not misse
16、d the train、 heby then.amight getbmight have gotcgotdhad got2if iout of my ink、 i would have finished writing thepaper.adidnt runbshouldnt runchavent rundhadnt run3if iyou,i wouldnt return the callabebamcwasdwere4today,he would get there by fridaya wouldhe leavebwas he leavingcwere he to leavedif he
17、 leaves5without your help,weso mucha willnot achievebdidnt achievecdont achievedwould not have achieved6if hethe storekeepers scissors、 he would have forgotten to buy a pair a wouldnot seenbhad not seen chad seendhas seen7but for water,itimpossible to live in the desertaisbwascweredwouldnt be8itfor
18、your help,i couldnt have made any progressahad;not beenbshould;not beencdid;not beendnot;be9if only imy car!ahadnt lostbwould not losecdidnt losedhavent lost4精选学习资料 - - - 欢迎下载精品学习资料10i be free tomorrow,i could go with youacouldbshouldcmightdmust11. the two students talked as if theyfriends for years
19、.a. should beb. would bec. have beend. had been12.the fog、 we should have reached our school.a. because ofb. in spite ofc. in case ofd. but for13. mike can take his car apart and put it back together again. i certainlywishheme how.a. teachesb. will teachc. has taughtd. would teach14. i would have to
20、ld him the answer、 had it been possible、but iso busythen.a. had beenb. werec. wasd. would be15. you look so tired tonight. it is time you.a. go to sleepb. went to sleepc. go to bedd. went to bed16. had i known her name、a. or does she know mine.b. and where does she live.c. she would be beautiful.d.
21、i would have invited her tolunch.17. he has just arrived、 but he talks as if heall about that.a. knowb. knowsc.had knownd. knew18. he was very busy yesterday; otherwise、 heto the meeting.a. would comeb. camec. would have comed. will come19. i wish that yousuch a bad headache because im sure that you
22、 woulhave enjoyed the concert.a. hadntb. didn t have had c. hadn t hadd. hadn t have20. helen couldnt go to france after all. that urs ets o h o eb w ao du . lid havem senjoyed it if.a. she s goneb. she ll goc. she d goned. she d go21the job would require thatat 7 oclock every morninga hewill be at
23、the factorybhe be at the factory che was at the factorydhe has been at the factory22your advice that shetill next week is reasonableawill waitbis going to waitcwaitsdwait23the housemaster was stric tnightshe requested that wetelevision on weekanot watchbmust not to watchcnot be watchingdhave not wat
24、ched24it is necessary that a workerhis work on time5精选学习资料 - - - 欢迎下载精品学习资料a accomplishesb can accomplishc accomplishd has accomplished25it is important that hehis decision before friday awill makebmakescmakedmust make26id rather youanything about it for the time beingadobdidnt docdontddidnt27itfor
25、your help,i couldnt have made any progressahad;not beenbshould;not beencdid;not beendnot;be28my suggestion was that the meetingoff till next weekato putbbe putcshould putdbe putting29it was strangethat weshort of water in the country where it was alwaysraining.aarebbecshould bedboth b and c30he trie
26、d to find some excuse for the debt、 but i insisted that heit off atonce.amust paybought to paycpaiddpay31mr. ford insisted that heright、 though the others didnt think so.ashould dobshould have donechad doneddid32his pale face suggested that hethe sad news.a shouldbe toldbshould have been toldcwas to
27、lddhad been told33he suggested that wehere at once.ashould leavebmust leavecleftdought to leave34my order is that everyonetheir own work in time.amust completebcompletedccompletesdcomplete35weve made the decision that weat the school gate at 7 tomorrowmorning.awill gatherbare about to gather cwould
28、gatherdshould gathermodule 5第四课时cloing and dna(59)6精选学习资料 - - - 欢迎下载精品学习资料主备人:张彩虹检测人:纪冬冬审核人:刘俊青goals: 1. master the main ideas of the passage.2. to remember the phases and language points.i. 【cloing and dna 】课文短语出现1. be identical to 与完全相同2. by mistake 错误地3. a sequence of一系列的4. be beneficial to 对有益5.
29、 rely on 依靠; 依靠6. the fundamental components of life生命的基本成分7. an optional treatment一种可挑选的治疗方法8. under unknown psychological pressure处于无形的压力之下9. be contradictory to 与相反 /相互冲突10. obtain a supply of stem cells 获得干细胞的供应11. recover from a disease从疾病中复原过来12. voluntary code of practice 自愿的行为规范13. restrict
30、the biodiversity 限制生物多样性14. at a crime scene在犯罪现场15. the latest research into dna对 dna 的最新调查ii.language points1. do you think cloning may be beneficial/ helpful tohumans.你认为克隆有益于人类吗?beneficial/helpful adj. 有好处的;有帮忙的benefit v. 收益; n. 利益;好处benefit vi. from/by从中受益 for thebenefit of 为了得利益be beneficial t
31、o =be of benefit to 对有好处eg:1 the sea air will benefit you. 海上的空气将对你有益;(2) you will benefit from experience. 你肯定会从体会中获益;(3) the new credit card will be of great benefit to our customers.新的信用卡将会给我们的客户带来许多好处;(4) rain is beneficial to soil.雨水对土壤有益;2. we could use cloning to cure illness.我们能用克隆来治病;7精选学习资料 - - - 欢迎下载精品学习资料curev. 治愈,排除,矫正n. 治病;治疗法;痊愈curable adj. 可治愈的cure sb. of sth. 治愈某人(疾病) /改掉某人的恶习a cure for的一种治疗法e
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