情態(tài)動詞講解

情態(tài)動詞的用法 1 CouldIborrowyourbook Yes Ofcourseyoucan 2 Wouldyouliketodoitforme Yes Iwould 一 情態(tài)動詞注意事項 1 對現(xiàn)在或?qū)砬闆r推測 must 動詞原形 must只能用于肯定 否定和疑問分別用can t和can Hemusttellalie Canhetellalie Hecan ttellalie Must should oughtto may might could do可能性依次減弱 2 推測語氣 2 對過去情況推測 must may might 完成時 Youmusthavemethimbefore must may might可能性依次減弱must只能用于肯定句 譯成 一定 否定和疑問分別用can t couldn t和can could Could Canithavehappenedlastnight Itcouldn t can thavehappenedlastnight Hemustbereading isn the Youmustdoityourself don tyou Hemusthavegoneoverthearticle hasn the Itmusthaverainedlastnight didn tit 3 表猜測語氣的反意疑問句的構(gòu)成 wouldneedusedtododaremustn tdon thaveto needn tmay mightdo havedone不妨 還是 為好 4 beabletomustcanhaveto 1 用于第一人稱表將來 IshallgotoworkafterIhavefinishedschool 2 用于一 三人稱疑問句 表征求對方意見或向?qū)Ψ秸埱?Shallhecomein Comein please 3 用于二 三人稱 表示保證 承諾 威脅 警告 Youshallbepunishedifyouinsistondoingitthisway 5 Shall 1 預測 可能 Theyshouldbeherebynow 2 說話人的感情 如驚奇 憤怒 失望等 竟然 Youcan timaginethatwell behavedgentlemanshouldbesorudetoalady 6 should 1 對過去情況推測 must may mighthavedonecan t couldn t maynot mightnothavedonecan couldhavedone 7 情態(tài)動詞 havedone 2 譯成 本 could should needhavedone Youshouldhavecomeherefiveminutesearlier 3 虛擬語氣 與過去事實相反的主句 Ifyouhadfollowedmyadvice youwouldn thavebeendefeated 情態(tài)動詞典型例題專練 1 Therewerealreadyfivepeopleinthecarbuttheymanagedtotakemeaswell It acomfortablejourney can tbeB shouldn tbeC mustn thavebeenD couldn thavebeen D 2 Johnny you playwiththeknife you hurtyourself won t can tmustn t mayC shouldn t mustD can t wouldn t B 3 Thefirespreadthroughthehotelveryquicklybuteveryone getout hadtoB wouldC couldD wasableto D 4 WhencanIcomeforthephotos Ineedthemtomorrowafternoon They bereadyby12 00 A canB shouldC mightD need B 5 Withsomuchworkonhand you toseethegamelastnight mustn tgoBshouldn tgoC couldhavegoneD shouldn thavegone D 6 TheyaredisappointedattheEnglishparty Theysaythatit betterorganized hadbeenB hadtobeC musthavebeenD couldhavebeen D 7 Shemusthaveforgottenabouttheclass doesn tsheB mustn tsheC hasn tsheD won tshe C 8 Seewho sthere itbeMary MayMustCanwill C 9 Jenny withhimatthattime forIwashavingdinnerwithherinmyhome can thavebeenB mustn thavebeenC mustbeD maybe A 10 Tom sfatherpromised You haveanewcomputerifyoupassthecomingexamination canB shouldC shallD may C 11 Didyouwalkedhomebyyourselflastnight Yes Idid ButIthinkI needn tB shouldn tC maynothaveD needn thave D 12 Wouldyouchangethisbucketforanother It holdwater OK I mreallysorry won tcan tdidn tdoesn t A 13 YououghttohavehelpedhimwithhisEnglish you A won tyouB oughtnotyouC shouldn tyouD wouldn tyou C 14 IthoughI somethingburning