英语四级语法 虚拟语气课件.docx
- 文档编号:12225470
- 上传时间:2023-04-17
- 格式:DOCX
- 页数:7
- 大小:17.28KB
英语四级语法 虚拟语气课件.docx
《英语四级语法 虚拟语气课件.docx》由会员分享,可在线阅读,更多相关《英语四级语法 虚拟语气课件.docx(7页珍藏版)》请在冰豆网上搜索。
英语四级语法虚拟语气课件
虚拟语气
一.一般虚拟条件句
(1)与现在事实相反
——IfIwereyou,Iwouldn’tworry.
——IfIhadthebookathand,Iwouldreadthepassagetoyou.
那么,虚拟语气现在时的句型为:
从句:
If+主语+动词过去式(be变were)+…
主句:
主语+would(should,could,might)+动词原形+…
(2)与过去事实相反
——Ifyouhadgonetolastnight’sgames,youwouldhavemethim.
——Ifthepolicemanhadarrivedearlier,hewouldhaveseentheaccident.
那么,虚拟语气过去时的结构是:
从句:
If+主语+过去完成时…
主句:
主语+should(或would,could,might)+现在完成时…
(3)与将来事实相反
——Ifheshouldcometomorrow,Iwouldgivehimthedictionaryheneeds.
——IfMr.Liweretodotheexperimenttomorrow,hemightreadtheinstructionscarefully.
那么虚拟语气将来时的句型是:
从句:
If+主语+should(或wereto)+动词原形+…
主句:
同虚拟语气现在时的主句结构。
练习:
1.Ifthisreportweremoreaccurate,it__________aninvaluabledocument.
A.wereB.hadbeenC.willbeD.wouldbe
(D)
2.I_______introubleifthepolicehadstoppedme.
A.wereB.wouldhavebeenC.wouldbeD.hadbeen
(B)
3.Whatwouldyoudoifwar_________out.
A.breaksB.couldbreakC.hadbrokenoutD.weretobreak
(D)
二、在if引导的虚拟条件句中,若有were,had,should,可省去if,将were,had,should提到主语前,形成倒装。
例如:
——Shouldtherebeameetingtomorrow,hewouldtellyou.
——Haditnotbeenforyourhelp,wewouldnothaveachievedsomuch.
练习:
1.____beforeweleavethedayaftertomorrow,weshouldhaveawonderfuldinnerparty.
A)HadtheyarrivedB)Wouldtheyarrive
C)WeretheyarrivingD)Weretheytoarrive
(D)
2.Hadheworkedharder,he____theexams.
A)musthavegotthroughB)wouldhavegotthrough
C)wouldgetthroughD)couldgetthrough
(B)
3._________enteruniversityoneday,Iwouldworkveryhard.
A)WouldIeverB)EverwouldIC)ShouldIeverD)EvershouldI
(C)
三.由asif/asthough引导的从句中用过去时表示对现在虚拟,用过去完成时表示对过去事实的虚拟。
例如:
——Sammylooksasthoughhenevergotasquaremeal,butinfacthisparentsfeedhimverywell.(用过去式表与现在事实相反)
——Heappearedasifhehadknownnothingaboutit.
(用过去完成式表与过去相反的事实)
——Theoldwomanheldhimasifshewouldneverlethimgoagain.
(用would+原形动词表与将来事实相反)
练习:
1.TheAmericanyoungmanspeaksChinesefluentlyasifhe________aChinese.
A)isB)wereC)hasbeenD)hadbeen
(B)
2.Thegardenlookedasifit________yesterday.
A)wasn’twateredB)didn’twater
C)hasn’twateredD)hadn’tbeenwatered
(D)
四.动词wish后宾语从句中的虚拟语气
——Iwishhewereherenow.
——Shewishesshewouldalwaysremainyoung.
——IwishyouhadnothurtJimsomuch.Heisstillverydepressed.
练习:
1.IwishI____longerthismorning,butIhadtogetupandcometoclass.
A)hadsleptB)sleptC)mighthavesleptD)haveslept
(A)
2.Theyneverhaveenoughresourcesandtheywishthey_______more.
A)haveB)hadC)willhaveD)havehad
(B)
五.在表示建议、命令、要求等动词的后面,其宾语从句的谓语用“should+原形动词”表示虚拟语气,或省略should
表示“要求”的:
request,demand,require
表示“提议、劝告、建议”的:
propose,suggest,advise
表示“决定、命令”的:
order,command
表示“坚持”的insist
例如:
——Weinsistedthathe(should)bepresentattheceremony.
——Thedirectorsuggestedthatshe(should)studymoreEnglishbeforegoingabroad.
练习:
1.MyfatherdidnotgotoNewYork;thedoctorsuggestedthathe________gothere.
A)nottoB)won’tC)doesnotD)not
(D)
2.Mike’suncleinsists____inthishotel.(00.1)
A)stayingnotB)thathewouldnotstay
C)nottostayD)thathenotstay
(D)
3.Thejobwouldrequirethat______at7o’clockeverymorning.
A)hewillbeatthefactoryB)hebeatthefactory
C)hewasatthefactoryD)hehasbeenatthefactory
(B)
六.上述动词的名词形式用虚拟语气
requirement,advice,order,suggestion,proposal,command其后的从句,也用“should+原形动词”表示虚拟语气,或省去should。
例如:
Themanager’ssuggestionisthatthesecretary(should)learnshorthand.
练习:
1.Thesuggestionthatthemayor____theprizeswasacceptedbyeveryone.
A)wouldpresentB)oughttopresentC)presentD)presents
(C)
2.Oneoftherequirementsforafireisthatthematerial_______toitsburningtemperature.
A)heatedB)beheatedC)tobeheatedD)beingheated
(B)
七、在“Itis(was)+形容词(或过去分词)+that...(主语从句)”结构中,主语从句的谓语也用“should+原形动词”表虚拟语气。
或省略should
常用的形容词和过去分词有:
表“要求”的:
required,demanded,requested,desired
表“建议”的:
suggested
表“迫切、紧迫、重要”的有:
necessary,essential,important
表“命令”的:
ordered
例如:
——ItisnecessarythatFrankdoawaywithhisbadhabit.
——Itisdesiredthatweshouldgeteverythingreadybytonight.
练习:
1.Theykepttellingusthatitwasvitalthatwe________thereontime.
A)mustbeB)wereC)beD)wouldbe
(C)
2.Itisnecessarythatanefficientworker_______hisworkontime.
A)accomplishB)accomplishesC)canaccomplishD)hasaccomplished
(A)
八、在“Itis(high/about)time+that引导的从句的谓语用一般过去
时
例如:
Itishigh(about,already)timethatwewenttobed
练习:
It’shightimesomebody________histongue.
A)holdB)holdsC)heldD)shouldhold
(C)
练习(虚拟语气部分)
1.IfI________itwasgoingtocostsomuch,Iwouldn’thaveboughtit.
A.hadknownB.knewC.weretoknowD.shouldhaveknown
2.Wecannotimaginewhatourworld________likewithoutelectricpower.
A.isB.willbeC.wouldbeD.hasbeen
3.Myfilesareallovertheplace.IwishI_________aboxthatI_______themin.
A.have,cankeepB.havehad,canhavekept
C.willhave,willbeabletokeepD.had,couldkeep
4.__________inouroffer,pleasecontactus.
A.IfyouinterestedB.Ifyouinterest
C.ShouldyoubeinterestedD.Shouldyouinterest
5.Itisnecessarythatthecarwindows_________withthesechemicals.
A.aretotreatB.betreatedC.willbetreatedD.mustbetreated
6.Itwassuggestedthatanewsystem___________aroundthecar.
A.istofitB.fittedC.willbefittedD.shouldbefitted.
7.Itwashisdoctorwhoadvisedthathe_________hisjob.
A.changedB.changeC.wouldchangeD.hadchanged
练习答案:
1.A2.C3.D4.C5.B6.D7.B
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 英语四级语法 虚拟语气课件 英语四 语法 虚拟 语气 课件