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1、高考英语语法专题讲解-虚拟语气1虚拟条件句：1.1与现在事实不一致，其句型为：If+主语＋did，主语＋should（could,would,或might）＋do.如：IfIwereyou,Iwouldstudyhard.（可倒装）Ifitrained,Iwouldnotbeherenow.1.2与过去事实不一致，句型为：If+主语＋had＋done，主语＋should（could,would,或might）＋have＋done.如：Ifthedoctorhadcomelastnight,theboywoul
2、dhavebeensaved.（可倒装）比较这一句：Ifthedoctorhadcomelastnight,theboywouldbesaved.->（混合虚拟:要求根据语境判断！）1.3将来事实不一致，句型为：＋do，主语＋should（could，would,或might）＋do.如：Ifitshouldraintomorrow,wewouldstayathome.（可倒装）IfIweretogotothemoononeday,Icouldseeitwithmyowneyes.（可倒装）Ifyoumiss
3、edthefilmtonight,youwouldfeelsorry.（混合虚拟）P.S:1、If条件句中绝对不可出现“would”。2、根据句中的时间状语，有时可能出现“混合虚拟”的情况，即主句可能是现在的情况，条件句也许是发生在过去的情况，但都是遵守上述句型。1.4虚拟倒装：在条件句中如果出现were,had,should可省去if，将主语与这些词倒装，例如：Hadthedoctorcomelastnight,theboywouldhavesaved.WereItogotothemoononeday,Iw
4、ouldseeitwithmyowneyes.Shoulditraintomorrow,wewouldstayathome.1.5without,but,butfor（要不是）,otherwise引起的短语或句子常暗含虚拟（语气较为含蓄）,分3种情况动词作同上的变化。1.5.1与现在事实相反：Withoutyou,Iwouldneverknowhim.Butforyourcooperation,wewouldn’thavedonetheworksowell.Iwouldbemostgladtohelpyou,
5、butI’ambusynow.Iambusynow,otherwiseIwoulddoyouthefavor!1.5.2与过去事实相反：Butthatshewasafraid,shewouldhavesaidno.Iwouldhavecometothepartyyesterday,butIwasworking.2名词性虚拟语气：在表示命令、建议要求、惊叹、感叹、愿望时的名词性从句中需用虚拟语气，具体类型有：2.1遇到：suggest,suggestion,insist,insistence,order,dem
6、and,request,command,propose,proposal,desire,plan,idea时:——>主语＋（should）＋do，如：Motherinsisted（坚决要求）thatJohngotobedat9o’clock.（宾语从句）（P.S．当insist意为“坚称说”，不要虚拟语气！）Wesuggestedthatthemeetingshouldnotbeheld.Thesuggestionthathebeinvitedwasrejected.（同位语从句）（P.S．当suggest意
7、为“暗示，表明”，不要虚拟语气！）Itwasrequiredthatthecropsshouldbeharvestedatonce.（主语从句）Thatistheirdemandthattheirwagesbeincreased.（表语从句）2.2①Itis+natural/necessary/important/surprising/strange/funny/extraordinary/suggested/proposed/requested/ordered+that+主语+（should）+do②Iti
8、s+apity/ashame/nowonder/anhonor+that+主语+（should）+do如：Itisstrangethathe(should)gohimself.P.S.上述词只表事实，不表情感Should+do(表现在或将来)2.3主语+be+sorry/surprised/disappointed(表情感的词)+that+主语+Should+have+done(表过去)(这里的sh
