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1、高中英语语法精讲精练 虚拟语气一、英语中的语气陈述语气祈使语气虚拟语气1.在表示虚假的、与事实相反的或难以实现的情况时用虚拟语气。2.表示主观愿望或某种强烈情感时，也用虚拟语气。即，当一个人说话时欲强调其所说的话是基于自己的主观想法、愿望、假想、猜测、怀疑或建议，而不是根据客观实际，就用虚拟语气。虚拟语气二、虚拟语气的动词形态变化(1)虚拟语气的条件从句的时态用法，要按虚拟的时间往后退一步，退成（相应的）过去。二、虚拟语气的动词形态变化(2)虚拟语气的结果主句的时态用法，要在虚拟从句的基础上往前进一步，进成（相应的）将
2、来。1.if条件从句中：与现在事实相反★★与过去事实相反★★★与将来事实相反★★错综时间虚拟条件句★省略if的虚拟条件句★★★三、与事实相反的虚拟语气常见考点与难点(1)(1)与现在事实相反的虚拟条件句条件从句结果主句If主语+动词过去式+其它主语+would/should/could/might+动词原形+其它IfIwereyou,Iwouldstudymuchharder．IfIhadabike,Iwouldlendittoyou.Ifyoutriedagain,youmightsucceed.IfIknewher
3、number,Icouldringherup.条件从句结果主句If主语+had+过去分词+其它主语+would/should/could/might+have+过去分词+其它IfIhadcomeafewminutesearlier,Ishouldhavemethim.Ifyouhadnotstudiedhard,youwouldhavefailedintheexam.Ifwehadfoundhimearlier,wemighthavesavedhislife.(2)与过去事实相反的虚拟条件句(3)与将来事实相反的虚拟条
4、件句条件从句结果主句If主语+wereto/should+动词原形+其它主语+would/should/could/might+动词原形+其它IfIweretodotheexperiment,Iwoulddoitsomeotherway.Ifitshouldraintomorrow,wewouldstayathome.Ifyouweretotryagain,youmightsucceed.(4)错综时间虚拟条件句非真实条件从句结果主句IfIfithadrainedlastnight,(过去相反)Itwouldbever
5、ycoldtoday.(现在相反)IfIfIhadtakenyouradvice,(过去相反)Ishouldhavenotroublewiththeworknow.(现在相反)IfIfyouwereinbetterhealth,(现在相反)wewouldhaveallowedyoutojointheirwork.（过去相反）(5)省略if的虚拟条件句条件从句结果主句IfHad/Should/Were+主语+…..主语+谓语….IfHadtheytime（=Iftheyhadtime）,theywouldcertainl
6、ycomeandhelpus.IfShoulditbefine（=Ifitshouldbefine）,wewouldgoforanouting．IfWerehetostartouttoday,hewouldgettherebyThursday.IfHadn'tmycarbrokendown,Ishouldhavecaughtthetrain.例题解读IfIknewEnglish,I______________________theseEnglishbooks.（read）如果我懂英语，我就应该能读这些英语书了。答案：s
7、houldbeabletoreadMaybeifI__________________,andnotliteraturethen,Iwouldbeabletogiveyoumorehelp.(study)如果那时我学理科而不是文学的话，我就能给你一些帮助了。答案：hadstudiedscience例题解读Ifyouhadspentseveralmorehourstraining,_____________________betterinthesportsmeeting?(perform)如果你多花了几个小时训练，你难道
8、不会在运动会上表现的更好吗？答案：wouldn'tyouhaveperformed________________theassigmentbythedeadline,Ishouldcallonyouandlet'scelebrateittogether.(be)如果我在最后期限之前完成了任务，我就该拜访你，一起庆祝。答案：Were
