2019高考英语基础保分篇第七讲虚拟语气讲与练

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1、第七讲　虚拟语气第一课时　知识过关课[注意]　虚拟条件句与主句的谓语动词——与现在事实或将来可能的事实相反，从句用一般过去时(be用were)；与将来可能的事实相反时还可用wereto/should＋动词原形，主句用would/should/could/might＋动词原形；与过去事实相反，从句用过去完成时，主句用would/should/could/mighthave＋过去分词。读语篇，悟语法。反复朗读下列短文，领悟画线及黑体部分。思考：什么情况下用虚拟语气；虽同是虚拟语气，但什么情况下用过去式表示，什么情况下用(should＋动词原

2、形)表示。Mydeskmate,Mary,treatsmeas__if__she__were[1]mysister.Sheisnicebutfat.If__she__werenotsofat，she__would__look[2]likeasupermodel.Lastyear,adoctoradvised__that__she__(should)__eat[3]morevegetablesandfruits.Healsomadea__suggestion__that__she__(should)__work__out[4]regula

3、rly.Besides,heinsisted__that__she__(should)__walk[5]toschool.If__she__had__followed__the__doctor’s__advice,__she__would__not__be__so__fat__now[6].Inotherwords,if__the__doctor__had__persuadedhertodoso,shewould__not__have__become[7]overweight.Thismorning,Mary’smotherbought

4、heranewdress.Itwasreallynice.Butaftershetriediton,shecouldn’thelpshouting,“If__only__I__were[8]alittlethinner!__How__I__wish__I__hadn’t__eaten[9]somuchjunkfoodbefore！”Were__I__Mary,__Iwould__make[10]aweightlossplan.If__I__became__overweight__in__the__future，I__would__do[

5、11]sportseveryday.Nowit__is__high__time__she__changed[12]herlifestyle.Withoutahealthylifestyle,shewouldn’t__be[13]abletoloseweight.Iwould__rather__she__went[14]swimmingwithme,butsheinsists__that__water__sports__are[15]notsuitableforher.Soit__is__necessary__that__she__(sh

6、ould)__walk[16]toschool.1.在asif/asthough，evenif/eventhough引导的状语从句或表语从句中，与现在事实相反时，从句的谓语动词用一般过去时；与过去事实相反时，从句的谓语动词用过去完成时。2.表示与现在事实相反的假设，if从句的谓语动词用一般过去时，(be一般用were)，主句的谓语用would/should/could/might＋动词原形。3～5.在insist，suggest，advise，order，command，propose，demand，require，request等后面

7、的宾语从句的谓语动词用“should＋动词原形”，其中的should可以省略。在suggestion，advice，order，command，demand，requirement，request等名词后面的表语从句或同位语从句中，谓语动词用“should＋动词原形”，其中的should可以省略。6.错综条件句：有时if从句中的动作与主句动作发生的时间不一致，这时动词的形式应根据他们表示的时间加以调整。本句的虚拟条件句与过去事实相反，主句与现在事实相反。7.表示与过去事实相反的假设，if从句的谓语形式用过去完成时，即“had＋过去分词”

8、，主句用“would/should/could/might＋have＋过去分词”。8～9.在表示愿望的动词wish后的宾语从句和Ifonly(但愿)引出的句子中，需用虚拟语气。表示与现在事实相反，从句或if