高中英语模块6 UNIT 3 Grammar 课件牛津版选修六.ppt

unit3understandingeachother grammarandusage translatethefollowingsentencesintoenglish revision lead in ifyouhadjoinedthechatroomtenminutesago youwouldhaveknownwhatweweretalkingabout 要是你在10分钟前进入聊天室的话 你就知道我们在谈些什么了 ifigotmarriedintheuk iwouldexpectapresent 如果我在英国结婚 我会得到客人的礼物 shouldyoucometobrunei youwouldhavetotakeoffyourshoesbeforegoingintosomeone shouse 如果你来到了文莱 你进别人家门之前得脱鞋 ifyouhadjoinedthechatroomtenminutesago youwouldhaveknownwhatweweretalkingabout ifigotmarriedintheuk iwouldexpectapresent 虚拟语气是说话人为表达一种假设 或一种主观愿望 即认为动词所表示的动作或状态并非真实或仅是主观设想时所用的动词形式 虚拟语气的定义 关键是什么 与事实相反 考点与难点归纳 unrealconditionalsstateaconditionorsituationthatisnotrealorisimaginary unrealconditionals 一般条件句中虚拟语气的用法 weuseunrealconditionalstostateapresentconditionorsituationthatisnotrealorisimaginary e g ifigotmarriedintheuk iwouldexpectapresent 一般条件句中虚拟语气的用法 weformunrealpresentconditionalslikethis if was were did would could mightdo 1 假如我有更多的时间 我就会学习德语 ifihadmoretime iwouldstudygerman 2 要是我象你一样年轻 我就会找时间锻炼 ifiwere wasyoungasyou iwouldfindtimetoexercise practice 一般条件句中虚拟语气的用法 wealsouseunrealconditionalstorefertoanimaginarypastaction e g ifyouhadjoinedthechatroomtenminutesago youwouldhaveknownwhatweweretalkingabout 一般条件句中虚拟语气的用法 weformunrealpastconditionalslikethis if hadbeen done would could mighthavedone 1 如果他抓紧时间 他本来能赶上那趟火车 ifhehadhurried hecouldhavecaughtthetrain 2 如果你昨天告诉他 他也许会提些建议了 ifyouhadtoldhimyesterday hemighthavemadesomesuggestions 一般条件句中虚拟语气的用法 ifi busylastnight i toseethefilmwithyou hadnotbeen wouldhavegone 一般条件句中虚拟语气的用法 weuseunrealfutureconditionalstotalkaboutimaginaryfuturesituations 1 ifihadtimetomorrow iwouldcertainlyhelpyou 2 ifiweretofailmymathstest iwouldhavetotakeitagainattheendoftheterm 3 ifheshouldcometomorrow iwouldtalktohimaboutit e g 一般条件句中虚拟语气的用法 weformunrealfutureconditionalslikethis if was were did should wereto would should mightdo practice 1 假如我要出国 我就会去法国 ifiweretogoabroad iwouldgotofrance 2 万一明天下雨 我们的运动会就推迟 ifitshouldraintomorrow oursportsmeetingwouldbeputoff 一般条件句中虚拟语气的用法 mark 100 ifyougot weretoget shouldgetafullmarknexttime iwouldtreatyoutoawonderfulperformance 一般条件句中虚拟语气的用法 条件从句 if从句的谓语形式 主句的谓语形式 现在 过去 将来 did were haddone would could should might do would could should might havedone 1 did2 should do3 weretodo would could should might do 一般条件句中虚拟语气的用法 1 would couldandmightareofteninterchangeable butwithsomedifferencesinmeaning would intention plan could ability possibility might probability 2 inwrittenenglishorinformalsituation weusuallyusewereinif clausesinplaceofwas however ineverydayconversation wasisoftenused tips 一般条件句中虚拟语气的用法 wecanalsoputshould wereandhadatthebeginningofanunrealconditionalsentence inthiscase ifisnotneededanymore pleaserewritethesentences e g ifyoushouldmakeamistake youshouldnotbeembarrassed shouldyoumakeamistake youshouldnotbeembarrassed 条件句中虚拟语气的倒装 2 ifyouhadtoldmeearlier iwouldnothavethisproblemnow hadyoutoldmeearlier iwouldnothavethisproblemnow 3 ifyouweretotakethetrain youwouldbetheremuchsooner wereyoutotakethetrain youwouldbetheremuchsooner 条件句中虚拟语气的倒装 当条件状语从句所表示的行为和主句表示的行为所发生的时间不一致时 被称为 错综时间条件句 在这种情况下 我们切不可照搬某种形式 而应该按照句中所表述的时间关系 再选择相应的虚拟形式 错综时间条件句 1 iftheflowerhadbeenwatered it now a wouldn tdieb isdeadc hadbeendeadd willnotdie2 ifhistelevisionsethadnotbeenstolenyesterday he tvnow a wouldwatchb wouldhavewatchedc wouldbewatchingd iswatching 错综时