1薛窑中学高二英语活动单M6U3-4grammar虚拟语气知识点检测单一虚拟语气在条件从句的用法条件从句主句与现在事实相反与过去事实相反与将来事实相反二虚拟语气的其它用法特例一：if的省略在虚拟语气中，如果有___________________，省略if，将____________________提前。Ifitweretosnowtomorrow,theywouldnotgoout.___________________________________________________特例二：混合虚拟语气(在虚拟语气中，主句和从句时态不一致)Ifhe_____________(study)hard,he____________(be)acollegestudentnow.特例三：含蓄虚拟语气表示含蓄虚拟条件的方法有（1）介词或介词短语，如butfor,without等Butforyourhelp,we___________________(notsucceed).(2)连词，如：or(otherwise),else,orelse,incase,forfearthat(唯恐),butthat等Iwastoobusyatthattime,otherwiseI__________________(help)you.I________________(help)you,butI______________(be)toobusyatthattime.特例四：ifonly,asif,evenif,wouldrather,wish(1)虚拟语气用于ifonly感叹句中：与现在情况相反，用____________与过去情况相反，用____________与将来情况相反，用____________(2)虚拟语气用于asif/though,evenif/though从句中：与现在情况相反，用____________与过去情况相反，用____________与将来情况相反，用____________(3)wouldrather(that)…与现在情况相反，用____________与过去情况相反，用____________与将来情况相反，用____________(4)wish+宾语从句与现在情况相反，用____________与过去情况相反，用____________与将来情况相反，用____________2薛窑中学高二英语活动单M6U3-4grammar特例五：should+do虚拟语气用于表示要求、建议、命令、提议、意愿等的主语从句、宾语从句、表语从句和同位语从句，其虚拟语气的构成是__________________.一个坚持:两个命令:三个建议:四个要求:注意:insist:___________________suggest:_________________特例六：It’shigh/abouttimethatsb_________________Itis(about)timethatyou______________(have)arest.特例七:think/want/hope/expect/plan/mean/intend等动词用_____________表示“原来希望做到而实际上未能实现的事”.其后的宾语从句谓语用“______________”.特例八:情态动词+havedonemusthavedonecan’t/couldn’thavedonemay/mighthavedonecouldhavedoneshould/oughttohavedoneshouldnothavedone/oughtnottohavedoneneedn’thavedone
