文档介绍：(对将来、目前、过去的事实进行虚拟或相反的假设)(If,wish引导的虚拟句)la:If引导的虚拟句对将来进行虚拟:A.[f+should/wereto/过去式,would/should+动词原形(从句)(主句):If+过去式(从句)would/should/could+动词原形(主句):If+过去完成时,would/should+现在完成时(从句)(主句)(请注意错综虚拟句:有时主句、从句时间不一致,真实、虚拟交错,这时我们须从句义上来分析。)*错综时间虚拟条件句(主句与从句时间不一致,真实与虚拟交错)egl:・:1shouldhavetakenmysickbrothertoahospital,butI ''''tlb::Iwish+过去式wish+would/should+动词原形(表示抱怨)对过去进行虚拟:Iwish+过去完成时2・“Should+动词原形”型2a:Itis+表示“建议、要求、心理判断”的形容词+(should)+动词原形(从句)2b:表示“建议、要求、命令”的动词+(should)+动词原形(从句)2c:表示“以免/担心”的词组lest,forfearthat,incase+should+动词原形(从句)(完形填空题),theyworkwithmanagementandgovernmentofficialswhoareverycost-consciousanddemandthatengineeringsystems notonlyfromatechnical,・•“过去式”句型3a:Itis(high,very,theright,about)time+动词过去时(从句)3b:wouldrather+宾语+动词过去时 (对现在/将来虚拟)(从句)wouldrather+宾语+动词过去完成时 (对过去虚拟)(从句)egl:Itisabouttime(that)people :1wouldratheryoudrovemehomeaftertheparty・Iwouldrathershehadn'・综合练****题Ifshe melastyear,shewouldn^thavebeensomiserable・・hattothecountry,thepeople towardshim・A・wouldnothavehatredB・wouldnothavefelthatredhadhatred ・HadItakenmyraincoatwhenIcameoutthismorning,I ・wouldnotbeingB・ ・ B・keptsecretC・bekeptsecret D・keepssecretHedemandedtheofficebuilding B・clearedoutC・beclearedout D・tobeclearedoutAdultsshouldneversayordoanythingwrongbeforechildren,lestthey themabadexample・