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1、16 1.2.always,usually,often,sometimes,everyweek(day,year,month),onceaweek,onSundays,3.4.am/is/are+not;dont,doesnt 5.bedodoes 6.Itseldomsnowshere.Heisalwaysreadytohelpothers.Actionspeakslouderthanwords.1.2.ago,yesterday,thedaybeforeyesterday,lastweek,last(year,night,month),in1989,justnow,attheageof5,
2、oneday,longlongago,onceuponatime,etc.3.be 4.was/were+not;didnt 5.wasweredodid 6.Sheoftencametohelpusinthosedays.Ididntknowyouweresobusy.1.2.now,atthistime,thesedays,etc.3.am/is/are+doing 4.am/is/are+not+doing.5.be 6.Howareyoufeelingtoday Heisdoingwellinhislessons.1.2.atthistimeyesterday,atthattimewh
3、en 3.was/were+doing 4.was/were+not+doing.5.waswere 6.AtthattimeshewasworkinginaPLAunit.Whenhecamein,Iwasreadinganewspaper.1.2.recently,lately,sincefor,inthepastfewyears,etc.3.have/has+done 4.have/has+not+done.5.havehas 6.Ivewrittenanarticle.Thecountrysidehaschangedalotinthepastfewyears.1.“”2.before,
4、bytheendoflastyear(term,month),etc.3.had+done.4.had+not+done.5.had 6.Assoonaswegottothestation,thetrainhadleft.1.2.tomorrow,nextday(week,month,year),soon,inafewminutes,by,thedayaftertomorrow,etc.3.am/is/are/goingto+dowill/shall+do.4.was/were+not;didnt 5.bewill/shall 6.Theyaregoingtohaveacompetitionw
5、ithusinstudies.Itisgoingtorain.1.2.thenextday(morning,year),thefollowingmonth(week),etc.3.was/were/goingto+dowould/should+do.4.was/were/not+goingto+do;would/should+not+do.5.waswerewould/should 6.HesaidhewouldgotoBeijingthenextday.Iaskedwhowasgoingthere.1.2.bythetimeof;bytheendof+;bythetime+3.begoing
6、to/will/shall+havedone.:1.2.have/has+been+doing “+ago”“Itis+since+”“”itisIthasbeen;“Sometimehaspassedsince+”.at“”atwork,atschool Peterisatwork,butMikeisatplay.Peterisworking,butMikeisplaying.go,come,leave,start,arriveIamcoming,Mum!“”Thetrainisleavingsoon.Thetrainwillleavesoon.现在完成进行时，过去完成进行时，将来完成进行时
7、，过去将来完成进行时:+/+be+always,usually,often,sometimes,seldom,occasionally,never now,atthemoment in1999,2yearsago,yesterday(lastweek,month,year),.bytheendof1999,by2000,.since+for+ever,never,recently,lately,yet,already.:every,sometimes,at,onSunda y:yesterday,lastweek,anhourago,theotherday,in1982:(1)shallwil
8、l will(2)begoingto+3)be+4)beaboutto+:have(has)+:1-|-|-|-had+2 a.told,said,knew,heard,thought Shesaid(that)shehadneverbeentoParis.b.Whenthepolicearrived,thethieveshadrunaway.c.hope,wish,expect,think,intend,mean,suppose Wehadhopedthatyouwouldcome,butyoudidnt.3)before,by,until,when,after,once,assoonas hadnowhen hadnosoonerthan