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1、常见时态的标志词(重点现在完成时)★ 一般现在时：do/does(被动：is/am/aredone)often,usually,always,sometimes,never,seldom,everyweek/day/year/month...,onceaweek,onSundays★ 一般过去时：did(被动：was/weredone)ago,yesterday,thedaybeforeyesterday,lastweek/year/night/month...,in1989,justnow,attheageoffive,oneday,ag
2、o,longago,onceuponatime,then(那时),onthatday,inthepast★ 现在进行时：is/am/aredoing(被动：is/am/arebeingdone)now,atthistime,thesedays,Listen!Look!atthismoment/time★ 过去进行时：was/weredoing(被动：was/werebeingdone)atthistimeyesterday，atthattime或"when+一般过去时从句",at1:00lastnight★ 现在完成时：has/havedo
3、ne(被动：has/havebeendone)recently (therecentyears),already,before,just(刚刚，justnow用一般过去时), ever(曾经),never,(as)yet(迄今为止),lately,sofar, for+时段,since+时间点(since引导的句子用一般过去时时态), (upto)thesedays/weeks/months/years,eversince(从那时到现在),till/untilnow,uptonow/present,sincethen,once,twice,
4、three/fourtimes...,onseveraloccasions,during/in/over the(last/past)(few) days/weeks/months/years,inthepast,It’sthefirst /second/.../last timethat…★ 过去完成时：haddone(被动：hadbeendone)before,bytheendoflastyear/term/month...(与将来完成时比较)★ 一般将来时：willdo(被动：willbedone)tomorrow,nextday/w
5、eek/month/year...,soon,inafewminutes,by...,thedayaftertomorrow,inthefuture★ 过去将来时：woulddo(被动：wouldbedone)thenextday/morning/year..., thefollowingmonth/week...★将来完成时：willhavedone(被动：willhavebeendone)bytheendofnextweek/term/month...(与过去完成时比较)
