人教版高考英语一轮总复习精品课件 语法专题 专题一 第3讲 情态动词和虚拟语气.ppt

5.Ifhe(follow)myadvice,hewouldn’thavelosthisjob.?hadfollowed解析句意:如果他听了我的劝告,他就不会丢了工作。与过去事实相反时,if从句用过去完成时,主句用would/should/could/mighthavedone。技法图解【例1】Youneverbetoocarefulwhiledriving.Youknow,manytrafficaccidentsresultfromcarelessness.?分析:结合第一条注意可知,句中be为原形,因此需考虑用情态动词。cannot/cannever...to“无论……也不过分”,为固定短语。【例2】Hetelephonedtoinformmeofyourbirthday,orI_______________(know)nothingaboutit.?分析:结合第二条注意可知,句中or为标志词,此处表示与过去事实相反的虚拟语气,故应用wouldhavedone。canwouldhaveknown本课结束专题一第3讲情态动词和虚拟语气英语内容索引情境导入考点解读技法图解情境导入Lucyisanoutgoinglady.Shecan①playmanykindsofmusicalinstruments.Actually,shecould②playthepianowhenshewas8yearsold.Lucyalsokeepstakingexerciseeveryday.Shesaysthatshehasto③dosomesportsbecauseshemust④keepfit.Lucytreatsmeasifshewere⑤mysister.Sheisnicebutfat.Ifshewerenotsofat,shewouldlook⑥likeasupermodel.Lastyear,adoctoradvisedthatshe(should)eat⑦morevegetablesandfruit.Healsomadeasuggestionthatshe(should)workout⑧regularly.Besides,heinsistedthatshe(should)walk⑨toschool.Ifshehadfollowedthedoctor’sadvice,shewouldnotbe⑩sofatnow.Inotherwords,ifthedoctorhadpersuadedhertodoso,shewouldnothave overweight.用法感悟1.①can和②could表,意为“”。?2.③hasto表示“”。强调。④must表,强调说话者的。?3.根据⑤可知,asif引导方式状语从句,与现在事实相反时,从句谓语动词用过去式,be动词一律用。?4.(1)根据⑥可知,表示与现在事实相反的假设,if从句的谓语动词用过去式(be一律用were),主句的谓语用。?(2)根据⑦和⑨可知,在advise,insist(坚决主张)等动词后的宾语从句中,谓语动词用“”。?能力能够不得不客观需要必须主观看法werewould+动词原形(should+)动词原形(3)根据⑧可知,suggestion后的同位语从句中,谓语动词用“”。?(4)⑩所在句为错综时间条件句,本句的虚拟条件句与相反,主句与相反。?(5)所在句表示与过去事实相反的假设,if从句的谓语动词用,主句的谓语用wouldhave+过去分词。?(should+)动词原形过去事实现在事实过去完成时考点解读考点1情态动词1.情态动词的基本用法(1)can和could的用法用法例句表示“能力”。NoonecanbecomparedwithZhangMinginplayingbasketballinourclass.在我