欢迎来到天天文库
浏览记录
ID:52373673
大小:1.09 MB
页数:23页
时间:2020-04-05
《《虚拟语气与倒装》PPT课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、虚拟语气与倒装结构——语法专题复习DiscussionIf从句的谓语形式主句的谓语形式现在did/werewould/could/should/might+do过去haddonewould/could/should/might+havedone将来did/wereshoulddoweretodowould/could/should/might+doIf条件状语从句用于虚拟语气*wish+did(与事实相反的情况,)+haddone(与过去事实相反)+would/could/might+do(将来不大可能实现的愿望)虚拟语气几个特例1.ifonly意为
2、:若是...那该多好啊;真希望...;只要,只要...就好表示现在的情况,应用过去式;如果是过去的情况,应用过去完成时态IfonlyIhadarrivedintime!Ifonlyshedidn’tdrivesofast.2asif/asthoughdid与现在事实相反的haddone与过去事实相反或想象的事物4.wouldrather后面的从句用虚拟语气:Iwouldratheryoudidn’tcometoday.Iwouldratheryoudidn’tcometomorrow.Iwouldratheryouhadn’tcomeyesterda
3、y.虚拟语气几个特例虚拟语气几个特例2.It’s(high/right)timethat…that从句要用虚拟语气:过去时或should+doIt’stimethatyouleft/shouldleavehere.DemandSuggestOrderProposeRequestCommandInsist…etc+(should)do表示愿望、建议、命令、请求等主语从句中的虚拟语气[例句]It’snecessarythatweshouldhaveawalknow.It’simportantthatweshouldtakegoodcareofthepat
4、ient.3在句型“Itisimportant(necessary,strange,natural)that....”中,that后面的从句中的谓语动词用:should+动词原形Without/Butforyourhelp,wewouldnothavemadesuchrapidprogress.=Ifithadn’tbeenforyourhelp.Ihavetoleaverightaway,otherwiseIwouldbelateforthetrain.Iwould/couldhavehelpedyou,butIwasbusyatthattime.
5、虚拟语气几个特例3.一些介词短语,如:butfor(要不是),without,otherwise(否则),等表示含蓄的条件,这时主句要用虚拟语气5.情态动词用于虚拟语气:could/might/havedoneshould(not)havedoneought(not)tohavedoneneedn’thavedone虚拟语气几个特例5.情态动词用于对过去情况的推测:musthavedone(肯定句)may/might/couldhavedone(肯定句)can’t/couldn’thavedone(否定句)can/couldhavedone(疑问句)
6、倒装结构1、句子谓语是go,come,run等表示位置的动词和be动词,句中又有表示方位的副词(如there,here,up,down,out,in,away等),为了强调该副词,可将其放于句首,而将谓语动词全部置于主语之前。如:HerecomesthetraintoBeijing.去北京的火车来了。Theregoesthebell.铃响了。Downcametherain.下雨了。但主语是人称代词时,主语仍置于动词之前。如:Awayhecomes.他来了。Hereitcomes.它来了。2、为了强调句中的状语或表语,为了保持句子平衡或上下文衔
7、接紧密,可将状语或表语置于句首,句中主语和谓语完全倒装。如:Atthefrontofthehallsattheheadmaster.HangingonthewallaretwomapsofChinaPresentatthemeetingwere200teachersand500students.3、为了强调only及其所修饰的状语(通常是副词、介词短语或从句),则将它们移到句首,句中的主谓作部分倒装。如:Onlythendidwerealizethatthemanwasblind.Onlywhenthewarwasoverin1918washea
8、bletogethappilybacktowork.4、将含有否定意义的副词(never,seldom,no
此文档下载收益归作者所有