牛津版 选修六 Unit 4 Helping people around the world Grammar课件（43张PPT） (1).ppt

welcome 建湖二中李德娟 todayweburiedour20 year oldson hewaskilledinstantlyinamotorcycleaccidentyesterday howiwishihadknownitwhenitalkedtohimlasttime ifihadknownwhatwouldhappen iwouldhavesaid jim iloveyouandi msoveryproudofyou readthefollowingessayandpayspecialattentiontothesentenceinred subjunctivemood 虚拟语气 unrealconditionalswith ifclause if引导的虚拟条件句中 1 ifitdoesn traintomorrow wewillgotothepark 1 if引导的条件状语从句 if引导的真实条件句 2 ifhehadseenyouyesterday hewouldhaveaskedyouaboutit if引导的虚拟条件句 whatwould couldyoudoifyouwereasuperman ifiwereasuperman iwould could ifiwereasuperman icouldprotectpeoplewhoareindanger lookandlearn ifigotmuchmoney imight should whatmight shouldyoudoifyougotmuchmoney ifigotmuchmoney ishoulddonatesometopeoplesufferingtheearthquake whatwould couldyoudoifyoulivedonthemoon ifilivedonthemoon iwould could might should ifilivedonthemoon imightseethebeauty chang e ifiwereasuperman icouldprotectpeoplewhoareindanger ifilivedonthemoon imightseethebeauty chang e ifigotmuchmoney ishoulddonatesometopeoplesufferingtheearthquake findouttherules 总结 1 oppositetothepresenttruth与现在事实相反时 主 从句谓语构成 would intention plan expectedresult 意图 计划 必然结果 could ability possibility 能够 可能性 might possibility 可能性 should suggestion 建议 tip translation 1如果我是你 我可能会告诉他真相 ifi you i himthetruth 2要是我哥哥在这儿 一切都会很顺利的 ifmybrother here everything allright were mighttell were wouldbe practice 要是我哥哥昨天在这儿 一切都会很顺利的 ifmybrother here everything allright hadbeen wouldhavebeen 比较一下发现什么不同了吗 1 ifmybrotherwerehere everythingwouldbeallright 2 ifmybrotherhadbeenhereyesterday everythingwouldhavebeenallright ifhe drive morecarefully he have thecaraccidentyesterday haddriven wouldnothavehad lookandlearn iftheyhadn tcommittedacrime theywouldn thavebeencaughtbythepolice findoutthestructure ifmybrotherhadbeenhereyesterday everythingwouldhavebeenallright ifhehaddrivenmorecarefully hewouldn thavehadthecaraccidentyesterday iftheyhadn tcommittedacrime theywouldn thavebeencaughtbythepolice 总结 2 oppositetothepasttruth与过去事实相反时 主 从句谓语构成 1 iftom be morecarefulintheexam he pass italready 2 ifyou get upearlier you catch thefirsttrain 3 ifi meet youyesterday we go totheconcerttogether hadbeen wouldhavepassed hadgot mighthavecaught hadmet couldhavegone practice zhouxingxing sregret 曾经有一份真挚的感情放在我的面前 我没有珍惜 等我失去的时候我才后悔莫及 ifi whenigotit i whenilostit hadvaluedthetruelove wouldn thavegreatlyregretted 如果上天能够给我一个再来一次的机会 我会对那个女孩子说三个字 我爱你 ifgod meanotherchancerightnow i thethreewordstothegirl iloveyou offered wouldutter wouldyoupleasehelpmemovehousetomorrow i dliketo butihaveameetingtomorrow ifigottimetomorrow iwouldcertainlyhelpyou that sallright thankyouallthesame readandlearn ifitshouldbethespringfestivaltomorrow imightgetsomepocketmoney ifiweretohavefreetimethisfriday iwouldgototheparty however i llattendameetingthatday whatapity ifigottimetomorrow iwouldcertainlyhelpyou ifiweretohavefreetimethisfriday iwouldgototheparty ifitshouldbethespringfestivaltomorrow imightgetsomepocketmoney summarizethestructure 总结 3 oppositetothefuturetruth与将来事实相反时 主 从句谓语构成 如果明天下雨 运动会将会被推迟 ifitrainedtomorrow thesportsmeetwouldbeputoff ifit tomorrow thesportsmeetwouldbeputoff 举一反三 shouldrain weretorain unrealconditionalswith if 2 if引导的虚拟条件从句中的结构 consolidation 巩固 ifsb 条件句 sb 主句 present 现在 past 过去 future 将来 did were a haddone would could should mightdo d would could should mighthavedone b did wereshoulddoweretodo c would could should mightdo oppositeto haveatry 3 if引导的虚拟条件句的省略倒装 invertedstructuresofthem 1 todothework ishoulddoitsomeotherday a ifwereib iwerec ifiwered wasie werei ifiweretodothework ishoulddoitsomeotherday wereitodothework ishoulddoitsomeotherday 2 itraintomorrow wewouldhavetoputoffthevisittothepark a wereb shouldc wouldd will ifitshouldraintomorrow wewouldhavetoputoffthevisittothepark shoulditraintomorrow wewouldhavetoputoffthevisittothepark 3 forthedoctor scarefultreatment he tilllastyear a ifitisnot can tliveb wereitnot couldn tlivec ifithadn tbeen couldn thavelivedd haditnotbeen couldn thavelivede iftheywerenot couldn tlive ifithadn tbeenforthedoctor scarefultreatment hecouldn thavelivedtilllastyear haditnotbeenforthedoctor scarefultreatment hecouldn thavelivedtilllastyear 在if引导的虚拟条件句中 总结 should were和had可以放在句首 这种情况下 if必须省略 1 如果had是实义动词 表示 有 时 则不可以移到句首 正 ifwehadtimetospare wewouldgotoseeafilm 误 hadwetimetospare wewouldgotoseeafilm tip ifyouhadgonetobedearlierlastnight youwouldn tbesleepynow 错综时间 mixedtime 条件句或混合虚拟语气 如果你刚才向右转 你现在就不会有麻烦了 ifyou turnright justnow you be introublenow hadturnedright wouldn tbein 4 if引导的混合虚拟语气中 it shardtoimagewhatiwouldbedoingtodayifi inloveattheageofseven withthemelindacoxlibraryinmyhometown wouldn thavefallenhadnotfallenshouldfallweretofall 含蓄条件句 有时假设的情况并不用if条件从句表示 而使用如 butfor 要不是 without with or otherwise等一些介词短语 分词结构来代替if条件句 这时剩下的主句要用虚拟语气 虚拟语气其他形式 a with without butfor等介词短语代替条件句相当于ifitisnotfor 要不是 butfortherain thecropswouldhavedied if withouttheteacher shelp hecouldn thavemadesuchgreatprogressinenglish if ithadn tbeenfortherain ithadn tbeenfortheteacher shelp b otherwise but or常把真实情况和虚拟语气混合 重 难点 iwasillthatday otherwise iwouldhavetakenpartinthesportsmeeting 副词 iwouldhavetakenpartinthesportsmeeting butiwasillthatday 连词 hetelephonedtoinformmeofyourbirthday oriwouldhaveknownnothingaboutit 连词 i give youmorehelp butiwastoobusy 连词 c givenmoretime wecouldhavedoneitbetter 分词短语 if wehadbeengivenmoretime mighthavegiven