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1、Unit3UnderstandingeachotherSectionⅣGrammar&Writing语法图解探究发现①IfIwereyou,Ishouldtrymybesttogotocollege.②WereIyou,Ishouldtrymybesttogotocollege.③Ifhehadgonetothepartylastnight,everythingwouldhavechanged.④Hadhegonetothepartylastnight,everythingwouldhavechanged.⑤Ifitweretobesunnytom
2、orrow,wewouldgooutforapicnic.⑥Wereittobesunnytomorrow,wewouldgooutforapicnic.[我的发现](1)①②句表示与现在事实相反的假设。(2)③④句表示与过去事实相反的假设。(3)⑤⑥句表示与将来事实相反的假设。(4)句①②，③④，⑤⑥句的句意分别相同吗？相同。(5)句②④⑥共同的特点是：省略if后的倒装句。一、非真实(虚拟)条件句中的虚拟语气1．与现在事实相反条件从句主句did(be多用were，非正式文体中也可用was)would/should/could/might＋动词原形IfIwer
3、eyou,Ishouldacceptthejob.如果我是你，我会接受这份工作。非常感谢上级领导对我的信任，这次安排我向股份公司述职，既是对我履行职责的监督，也是对我个人的关心和爱护，更是对**百联东方商厦有限公司工作的高度重视和支持。IfIhadtime,Iwouldgothere.如果我有空，我就去那儿。2．与过去事实相反条件从句主句haddonewould/should/could/might＋havedoneIfyouhadcomeearlier,youcould/wouldhavemetthestar.如果你早点来，你就会见到那位明星了。Ifheha
4、dseenyouyesterday,hewouldhavereturnedyouyourbook.如果他昨天见到你，他就会还给你书的。3．与将来事实相反条件从句主句did/shoulddo/weretodowould/should/could/might＋动词原形Ifhisflightshouldbedelayed/weretobedelayed/weredelayed,wewouldfailtomeethim.万一他的航班被延误了，我们就接不到他了。Iftheseicebergsshouldmeltatthesametime,wewoulddrown.如果这
5、些冰山同时融化的话，我们就都淹死了。[即时演练1](1)用所给词的适当形式填空①Thewaiterwouldserveyoumorequicklyifyouspoke(speak)tohimmorepolitely.②Doyouthinkhewould_lend(lend)mehiscomputerifIasked(ask)himnicely?③Iftheyreallywanted(want)toseethehousenow,Iwould_have(have)togetthepermissionoftheowner.(2)单句改错①IwouldaskGeorg
6、etolendusmoneyifIknowhim.know→knew②Ifyouaskedmeyesterday,Icouldhavetoldyou.asked前加had③Iftheweatherhadbeenbetter,wecouldhavehadapicnic.Butithadrainedallday.去掉rained前的had④IfIknewGerman,Iwouldhavereadthenewspapertoyou.去掉have非常感谢上级领导对我的信任，这次安排我向股份公司述职，既是对我履行职责的监督，也是对我个人的关心和爱护，更是对**百联东方商
7、厦有限公司工作的高度重视和支持。(3)一句多译如果你将来成功了，一切都会好的。①Ifyousucceeded,_everythingwouldbeallright.②Ifyoushouldsucceed,_everythingwouldbeallright.③Ifyouweretosucceed,_everythingwouldbeallright.二、非真实(虚拟)条件句的倒装if虚拟条件句中有were,had,should时，可把if省略，而把were,had,should放在主语前，构成倒装结构。WereIyou(IfIwereyou),Iwouldta
8、kethejob.如果我是你，我就会做
