一、相关概念1.DefinitionofMood语气——是一种动词形式，用来表示说话人的意思和态度。2.ThreetypesofMood语气陈述祈使虚拟—事实，看法—请求，邀请，命令等—？IloveEnglish.Idon’tlikeEnglish.DoyouloveEnglish?Gotohell.Holdon.肯定/否定/疑问/感叹无主语3.DefinitionofSubjunctivemood•表示说话人所说的不是事实or实现的可能性不大，而是一种愿望、假设、建议or某种强烈的情感；•通过谓语动词的特殊形式来表达；•一般用于正式的书面语言中。①If虚拟条件句普通情况含蓄条件句省略if的条件句错综时间条件句②坚持、命令、建议、要求③特殊句型4.Casesofsubjunctivemood二、if条件句•IfIwereabird,Icouldflytoyou.•Iftherewerenoexam,wewouldbehappier.•Whatwouldyouliketobeifyouweretobebornagain?•Ifitrained/shouldraintomorrow,themeetingwouldbeputoff.•Ifyouhadcome10’earlier,youshouldhavemetJay.•Ifyouhadn’thelpme,Icouldn’thavesucceed.---观察&归纳if从句主句现在将来过去If+主语+didwould/could/should/might＋doIf+主+had+done1、If+主+did2、If+主+wereto+do3、If+主+should+doTips:①be用were，MV用过去式②从句中的谓动基本上是前移一个时态，其他结构中的虚拟语气类似1.普通情况would/couldshould/might＋dowould/couldshould/might＋havedone1.Alan___thepartyifhehadgonetoLondon.A.wouldhavemissedB.hadmissedC.wouldmissD.missed2.Ifshehadworkedharder,she_____.A.wouldsucceedB.hadsucceededC.shouldsucceedD.wouldhavesucceededExercises3.Ifit_____toomuchtrouble,I'dloveacupoftea.A.isn'tB.weren'tC.wasn'tD.hadn'tbeen4.Marydoesn'twanttoworkrightawaybecauseshethinksthatifshe_____ajobsheprobablywouldn'tbeabletoseeherfriendsveryoften.A.hastogetB.hadgotC.weretogetD.couldhavegot2.含蓄条件句•Wecouldnothavefinishedtheworkaheadoftimewithoutyourhelp.•Butfortherain,wewouldhavefinishedthework.•Iwasillthatday.Otherwise,Iwouldhavetakenpartinthesportsmeeting.•Hetelephonedtoinformmeofyourbirthday,orIwouldhaveknownnothingaboutit.•Hecouldhavegivenyoumuchmorehelp,buthewasbusythen.有时虚拟语气不通过if条从表示，而是隐含在上下文或其它一些表达方式中，谓之“含蓄”,作用相当于条从,常见以下词：with,without,but,butfor,butthat,or/otherwise---观察&归纳3.省略&倒装•IfIwereatschoolagain,Iwouldstudyharder.•WereIatschoolagain,Iwouldstudyharder.•Ifyouhadcomeearlier,youwouldhavemethim.•Hadyoucomeearlier,youwouldhavemethim.•Ifitshouldraintomorrow,wewouldnotgoclimbing.•Shoulditraintomorrow,wewouldnotgoclimbing.•Ifitweren’tforthemoney,Iwouldtreatyouall.•Wereitnotformoney,Iwouldtreatyouall.如果if条从中含有should/were/had,可以把if省略，把should/were/had提前到句首,其余不变（not不提前）---观察&归纳1.___inyourposition,Iwouldhelphim.•A.WasIB.WereI•C.IfIamD.IfIhadbeen2.WithouttheleadershipoftheParty,there____noNewChina.A.wouldbeB.hasbeenC.shouldbeD.was3.__anychangeaboutthedate,pleasetellmeimmediately.A.WilltherebeB.ShouldtherebeC.TherewillbeD.ThereshouldbeExercises4.错综时间句•Ifyouhadbeencarefulintheexamseveraldaysago,youwouldnotbesoregretfulnow.从句与主句的动作发生的时间不同,称之为“错综”，主从句的时态则要看它们各自的时间状语。1.IfIhadn‘tstoodundertheladder(梯子)tocatchyouwhenyoufell,you_____now.A.wouldn'tbesmilingB.won'tsmileC.couldn'thavesmiledD.didn'tsmile2.—Itwasthedrug，notthedisease，thatkilledtheboy.—Hewouldbestillalivetodayifhe______thatdrug.A.nottakeB.shouldn’thavetakenC.didn’ttakeD.hadn’ttakenExercises3.Ifyou______meearlier,you________sorrynow.A.hadlistenedto;wouldn’thavebeenB.weretolistento;shouldn’thavebeenC.hadlistenedto;wouldn’tbeD.listenedto;woul...
