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《最新情態(tài)動(dòng)詞+have-done的用法教學(xué)講義PPT課件.ppt》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、情態(tài)動(dòng)詞+have-done的用法一、“must+have+done”表示對(duì)過(guò)去事情的肯定推測(cè),譯成“一定做過(guò)某事”,該結(jié)構(gòu)只用于肯定句。1.Itmusthaverainedlastnight,forthegroundiswet.昨晚一定下雨了,因?yàn)榈孛孢€是濕的。2.Youmusthavebeenmadtospeaktotheservant.你和仆人說(shuō)話,一定是發(fā)瘋了。二、“can't+have+done”表示對(duì)過(guò)去事情的否定推測(cè),譯成“不可能做過(guò)某事”。1.Mr.Smithcan‘thavegonetoBeijing,forIsawhiminthelibraryjustnow.史密斯先
2、生不可能去北京了,我剛才還在圖書館見過(guò)他。2.Marycan'thavestolenyourmoney.Shehasgonehome.瑪麗不可能偷你的錢,她回家去了。六、“might+have+done”表示對(duì)過(guò)去事情的推測(cè),might與may意思相同,但可能性更小。多用于虛擬語(yǔ)氣結(jié)構(gòu)中。1.Hemighthavegivenyoumorehelp,eventhoughhewasbusy.(MET90)他或許會(huì)多給你一些幫助,即使他很忙。2.Shemighthaveachievedgreaterprogress,ifyouhadgivenhermorechances.如果你多給她點(diǎn)機(jī)會(huì),她
3、可能已經(jīng)取得更大的成績(jī)。七、“would+have+done”虛擬語(yǔ)氣,表示對(duì)過(guò)去事情的假設(shè),意思是“本來(lái)會(huì)做”。1.Iwouldhavetoldyouallabouttheboy'sstory,butyoudidn'taskme.我本來(lái)會(huì)告訴你這個(gè)小男孩的故事,但是你沒有問我。2.Withoutyourhelp,Iwouldn'thaveachievedsomuch.沒有你的幫助,我是不會(huì)取得如此大的成績(jī)。八、“should+have+done”意思是“本來(lái)應(yīng)該做某事,而實(shí)際沒做。”“shouldn‘t+have+done”表示本來(lái)不應(yīng)該做某事,而實(shí)際做了。含有指責(zé)對(duì)方或自責(zé)的含意。1
4、.Tom,youaretoolazy.Theworkshouldhavebeenfinishedyesterday.湯姆,你太懶惰了,這項(xiàng)工作本來(lái)應(yīng)該昨天就做完的。2.Look,Tomiscrying.Ishouldn'thavebeensoharshonhim.看,湯姆哭了,我本來(lái)不應(yīng)該對(duì)他如此嚴(yán)厲。九、“oughtto+have+done”表示過(guò)去應(yīng)該做而實(shí)際并沒有做,譯成“理應(yīng)做……”,往往表示遺憾。與“should+have+done”用法基本一樣。IoughttohavegonehomelastSunday.我理應(yīng)上星期日回家。Yououghtnottohavegivenhim
5、morehelp.你不應(yīng)該幫助他那么多。十、“need+have+done”表示本來(lái)需要做某事而沒有做?!皀eedn‘t+have+done”則表示“本來(lái)不需要做某事而做了”。Ineedn‘thaveboughtsomuchwine—onlyfivepeoplecame.我本來(lái)沒有必要買這么多酒,只來(lái)了五個(gè)人。Heneedhavehurriedtothestation.Inthatcase,hewouldn'thavemissedthetrain.他本來(lái)需要快點(diǎn)去車站,那樣的話,他就不會(huì)誤了火車。高考題1.Theweather?turned?out?to?befineyesterday.
6、I________thetroubletocarrymyumbrellawithme.A.shouldhavetaken???B.couldhavetakenC.needn'thavetaken??D.mustn'thavetaken2.We________haveprovedgreatadventurers,butwehavedonethegreatestmarchevermadeinthepasttenyears.A.needn't???????????B.maynotC.shouldn't??????????D.mustn't3.Asyouworkedlateyesterday,y
7、ou________comethismorning.A.mayn't????????B.can'tC.mustn't???????D.needn'tVVV4I_______havewatchedthatmovie—it’llgivemehorribledreams.A.shouldn’tB.needn’tC.couldn’tD.mustn’t5Markhavehurried.Afterdrivingattopspeed,hearri