Grammar

theSubjunctiveMood

in“if”clause

虚拟语气在“if”条件句中的用法

用来表示说的话不是事实，或者是不可能发生或可能性比较小的情况，而是一种愿望，建议，假设的语气叫虚拟语气。虚拟语气定义1.Ifit(be)finenow,I(go)shopping.werewouldgo2.IfI(have)alotofmoney,I(help)thosepoorpeople.hadwouldhelpwouldbe3.Ifeveryone__________(live)alow-carbonlifenow,theearth_________(be)saved.lived【Findtherules（自我发现）】If…_________sth,…__________________sth.were/did（过去式）would/could/might/shoulddo（动词原形）Ifhehadgotupearly,hewouldnothavebeenlateforschool.（与过去事实相反）如果他早起，他就不会上学迟到。IfI_______(have)timelastnight,I____________(see)?Man?From?the?Stars.wouldhaveseenhadhadIfyouhadattendedthemeetingyesterday,youwouldhavemether.Ifthedoctorhadcomelastnight,theboywouldhavebeensaved.If…_________sth,…________________sth.haddone（过去完成）would/could/might/shouldhavedone（现在完成）【Findtherules（自我发现）】Ifit____________________________(be)ChristmasDaytomorrow,I_____________(get)somegifts.were/should/weretobewouldgetIfyou_______________________(get)afullmarknexttime,I_____________(treat)youtocandies.got/weretoget/shouldgetwouldtreatMark:100IfIhadtimenextweek,Iwouldhelpyou.IfIshouldhavetimenextweek,Iwouldhelpyou.IfIweretohavetimenextweek,Iwouldhelpyou.If…_________sth,…_________________sth.would/could/might/shoulddo（原形）didweretodoshoulddo【Findtherules（自我发现）】一、一般条件句中的虚拟语气时间If条件句主句过去现在将来一、一般条件句中的虚拟语气时间If条件句主句过去haddonewouldshould+havedonesthcouldmight现在助动词be用were实义动词do用didwouldshould+dosthcouldmight将来did/wereshoulddoweretodowouldshould+dosthcouldMightGroupworkexpressyourwishesusingthesubjuctivemoodin“if”clause１．当条件状语从句表示的行为和主句表示的行