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初识If虚拟条件句牛津高中英语模块六Unit3长沙市南雅中学陈丽珍UnrealConditionalsIfIwereaboy,IthinkIcouldunderstandhowitfeelstoloveagirl.IswearIwouldbeabetterman.I’dlistentoherbecauseIknowhowithurts.IfIwereaboy----Beyonce不真实或想象的条件——虚拟条件if引导的虚拟条件句①与现在事实相反②与过去事实相反③与将来事实可能相反IfIhadagreatdealofmoney,Icouldbuyavilla(别墅)formyparents.与现在事实相反与现在事实相反IfIweretheschoolmasterofNanyaMiddleschool,Iwouldletthestudentsgetupalittlelatertogetabettersleep.if虚拟条件句if虚拟条件句主句与现在事实相反的假设主语+would(could/should/might)＋动词原形1.IfIhadagreatdealofmoney,Icouldbuyavilla(别墅)formyparents.2.IfIweretheschoolmasterofNanyaMiddleschool,Iwouldletthestudentsgetupalittlelatertogetabettersleep.If+一般过去时态（be动词一般用were)IIfYaoJiaxinhaddrivenmorecarefully,hewouldnothavecausedthecaraccidentinMay,2009.与过去事实相反IfTomhadlearnthowtoswim,hewouldnothavebeentrappedonthatislandforfouryears.与过去事实相反Ifhehadgotupearlierthismorning,hecouldhavecaughtthetrain.与过去事实相反if虚拟条件句if虚拟条件句主句与过去事实相反的假设1.IfYaoJiaxinhaddrivenmorecarefully,hewouldnothavecausedthecaraccidentinMay,2009.2.IfTomhadlearnthowtoswim,hewouldnothavebeentrappedonthatislandforfouryears.3.Ifhehadgotupearlierthismorning,hecouldhavecaughtthetrain.If+过去完成时态主语+would(could/sould/might)＋havedoneIfImetObamasomeday,Iwouldshakehandswithhim.IfIweretomeetObamasomeday,…IfIshouldmeetObamasomeday,…与将来事实相反if虚拟条件句if虚拟条件句主句与将来事实相反的假设1、If+主语+动词过去式2、If+主语+wereto+动词原形3、If+主语+should+动词原形主语+would(could/should/might)＋动词原形IfImet/weretomeet/shouldmeetObamasomeday,Iwouldshakehandswithhim.总结：if虚拟条件句if虚拟条件句主句与现在事实相反的假设与过去事实相反的假设与将来事实相反的假设1、If+主语+动词过去式2、If+主语+wereto+动词原形3、If+主语+should+动词原形主语+would(could/should/might)＋动词原形If+一般过去时态（be动词一般用were)If+过去完成时态主语+would(could/should/might)＋havedone主语+would(could/should/might)＋动词原形