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1、高二英语语法复习虚拟语气和倒装句一.本周教育内容：语法复习：虚拟语气和倒装句二.知识总结与归纳：虚拟语气：是一种与事实（包括过去，现在或将来）完全相反的陈述，表示假设，愿望，怀疑，推测或后悔。虚拟语气主要用于条件从句，让步从句和名词性从句。虚拟语气句型中常见的动词形式：1.动词过去式2.haddone3.would/could/should/mightdo4.would/could/should/mighthavedone5.were（一）虚拟语气用在与过去事实相反的假设的条件句中：表示假设，后悔或推测。句型结构：If+主语+hadbeen/done….，主语+should/could/m
2、ight/would+havedone….1.Iftheillnesshadbeendiagnosedadayearlier,itmighthavemadealldifferent.2.Ifshehadtoldhimaboutthedanger,hewouldnothavegothurt.3.IfIhadknownmoreaboutgivingfirstaid,Icouldhavehelpedhim.（二）虚拟语气用在与现在事实相反的假设的条件句中：句型结构：If+主语+were/动词过去式，主语+should/could/might/would+do1.IfIhadHIV,Iwouldk
3、nowbecauseIwouldfeelsick.2.IfIwereyou,IwouldgiveanAIDSpatientahug.3.虚拟语气用在与将来的结果相反的假设的条件句中：句型结构：If+主语+weretodo,主语+should/could/might/would+doIf+主语+shoulddoIf+主语+动词过去式（1）Ifweweretopanic,wewouldnotbeabletohelp.（2）Ifthelittlegirlshouldtakepianolessons,shewouldhavelessfreetime.（3）IfIweretolivelongenou
4、ghtohaveajob,Iwouldchoosetobeadoctor,helpingtheseAIDSpatients.注意：虚拟条件句的从句中如果有助动词were;had或should可以去掉if以后用倒装句语序。例句：①HadInothelpedhim,hewouldhavefailedinbusiness.②ShouldIbefree,Iwouldcome.③Wereshemydaughter,Icouldsuggestadifferentplan.注意：有时候，主，从句所描述的时间范围不一致，则根据具体语境调整动词的形式。例句：①Ifhehadcaughtthetrain,he
5、wouldbeherebynow.②YouwouldspeakEnglishwellenough,ifyouhadpracticedeveryday.（四）虚拟语气在其他句型中的使用：1.用在与without,butfor,but,otherwise短语连用的句型中：例句：Theshipwouldhavesunkwithallonboardbutforeffortsofthecaptain.Therescuearrivedintime,otherwiseTheywouldhavebeenfrozentodeath.2.用在It’stime句型中：It’stimethat主语+动词过去式……
6、It’stimethatIwenttoschoolandpickedupmydaughter.3.在句型…asif/though+主语+动词过去式/were/haddone……例句：HelookedatmeasifIweremad.“Iwishpeoplewouldfindoutthefacts,”shesays,“andnotactasifIwereabadordangerousperson.”Itlooksasifit’sgoingtorain.4.用在Ifonly句型中：表示：要是……该多好啊！（1）Ifonlyyouhadn’ttoldJackiewhatIsaid,everyth
7、ingwouldhavebeenallright.（2）Ifonlyyouwouldlistentoreason.5.与“命令，建议，要求,有必要/重要”有关的名词性从句中的谓语动词结构：（1）主动结构：shoulddo（2）被动结构：shouldbedone；（should可以省略）①Isuggestthatheshouldcomeanotherday.②Thesuggestionthatthestudentsshou
