牛津版 选修6 Unit 3 Understanding each other Grammar课件（49张PPT）.ppt

welcome todayweburiedour20 year oldson hewaskilledinstantlyinamotorcycleaccidentyesterday howiwishihadknownwhenitalkedtohimlastthatitwouldbethelasttime ifihadonlyknown iwouldhavesaid jim iloveyouandi msoveryproudofyou readthefollowingessayandpayspecialattentiontothesentencesinred 你能说出它们的语法结构吗 subjunctivemood 虚拟语气 unrealconditionalswith ifclause 虚拟语气在条件从句中的用法 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 iftherobberhadn tattackedmr yu hewouldn thavebeenkilled ifthebraveoldmanhadn thelpedthelady hecouldn thavebeeninjured lookandlearn iftheyhadn tcommittedacrime theywouldn thavebeencaughtbythepolice findoutthestructure ifmybrotherhadbeenhereyesterday everythingwouldhavebeenallright ifthebraveoldmanhadn thelpedthelady hecouldn thavebeeninjured iftheyhadn tcommittedacrime theywouldn thavebeencaughtbythepolice 总结 2 oppositetothepasttruth与过去事实相反时 主 从句谓语构成 ifhe drive morecarefully he notcause thecaraccidentyesterday haddriven wouldnothavecaused practice 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 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 haveatry 虚拟语气在条件从句中的倒装情况 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 ifitisnotfor butfor without 要不是 ifithadn tbeenforthedoctor scarefultreatment hecouldn thavelivedtilllastyear haditnotbeenforthedoctor scarefultreatment hecouldn thavelivedtilllastyear 在if引导的非真实条件句中 总结 should were和had可以放在句首 这种情况下 if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 2 含蓄条件句 重 难点 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 3 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 imighthavegivenyoumorehelp butiwastoobusy 连词 if givenmoretime wecouldhavedoneitbetter 分词短语 if wehadbeengivenmoretime ihadn tbeentoobusy 1 withoutyourhelp we suchrapidprogress couldn tmakeb wouldn tmakec willnothavemaded wouldn thavemade 2 icouldhavecalledyouforhelp buti yournumber a couldn thaverememberedb didn trememberc shouldhaverememberedd hadn tremembered 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 虚拟语气中的另外一种难点 it shardtoimagewhatiwouldbedoingtodayifi inlove attheageofseven withthemelindacoxlibraryinmyhometown wouldn thavefallenhadnofallenshouldfallweretofall unrealconditionalswith if 虚拟语气在条件从句中的结构 归纳总结 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 提醒 虚拟语气在其他从句中的使用 第一种情况 与现在 将来相反用过去时 与过去时间相反使用过去完成时1 wish wouldrather后 但wouldrather后所跟句子 注意 不跟过去将来时 iwouldratheryoucametomorrowinsteadoftoday iwouldratheryouhadcomeyesterday 比较 iwouldrathercometomorrowinsteadoftoday eg 1 iwishi tothemoon a flyb wouldflyc couldfly 相似的用法还有 asif 好像 ifonly 要是 就好了 it s high timethat 是该干 的时候了 2 elizaremembereverythingexactlyasifit yesterday a washappeningb happensc hashappenedd happened itstoppedrainingnow ifonlyb onlyifc evenifd butfor 第二种情况 should do should可省略1 名词性从句中 一个坚持 insist 两个命令 order command 四条建议 advise suggest propose recommend 四项要求 demand require re