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1、初中(chzhng)语法专题时态第一页,共52页。一般现在(xinzi)时一般过去时现在(xinzi)进行时过去进行时现在(xinzi)完成时过去完成时一般将来时过去将来时第二页,共52页。一般一般(ybn)(ybn)现现在时在时第三页,共52页。一、一般现在时:一、一般现在时:概念:经常、反复发生概念:经常、反复发生(fshng)(fshng)的动作或行为及现在的动作或行为及现在的某种状况。的某种状况。时间状语:时间状语:always,usually,often,sometimes,always,usually,often,sometimes,every week(day,year,mont
2、h),every week(day,year,month),once a week,on Sundays,etc.once a week,on Sundays,etc.基本结构:基本结构:bebe动词;动词;行为行为动词动词否定形式:否定形式:am/is/are+not;am/is/are+not;此时态的谓语动词若为行为动此时态的谓语动词若为行为动词,则在其前加词,则在其前加dont,dont,如主语为如主语为第三人称单数,则用第三人称单数,则用doesntdoesnt,同时还原行为动词。同时还原行为动词。一般疑问句:一般疑问句:把把bebe动词放于动词放于句首;句首;用助动词用助动词dod
3、o提问,如提问,如主语为第三人称单数,则用主语为第三人称单数,则用doesdoes,同时,还原行为动词。,同时,还原行为动词。第四页,共52页。什么情况下用?第五页,共52页。表示经常或习惯性的动作或存在的状态。表示主语通常的能力、兴趣爱好、和性格特征。表示客观的事实或真理。表示按照时刻表或已经计划安排好的将来行为。(只限于是go,come,leave,arrive,begin,start,take off,stop,be等表示开始或移动意义的词。)在时间状语从句和条件(tiojin)状语从句中,主句用一般将来时(will+动词原形),从句中用一般现在时表将来。(主将从现)第六页,共52页。当
4、主语是第三人称(d sn rn chn)时,谓语动词要用第三人称(d sn rn chn)单数形式,加-s/es。除此之外都用动词原形。第七页,共52页。动词第三人称单数形式(xngsh)变化规则 第八页,共52页。规则规则例子例子一般在词尾加一般在词尾加-s-s,(清辅音后清辅音后读读/s/s/,在浊辅音后读,在浊辅音后读/z/z/;在;在t t后读后读/ts/,/ts/,在在d d后读后读/dz/dz/。)PlayPlayplays plays leaveleaveleavesleavesswimswimswimsswims以字母以字母s,x,ch,sh,os,x,ch,sh,o结尾的词结
5、尾的词加加-es-es,读,读/iz/,/iz/,如果动词原形如果动词原形词尾已有词尾已有e,e,则只加则只加-s-s。pass pass passes passes fixfixfixesfixesteachteachteaches teaches wishwishwisheswishesdododoesdoes以辅音字母加以辅音字母加y y结尾的词结尾的词,先变,先变y y为为i,i,再加再加-es,-es,读读/z/z/studystudystudies studies carrycarrycarriescarriesflyflyfliesflies第九页,共52页。一般(ybn)过去时
6、第十页,共52页。概念:过去某个时间里发生的动作或状态;过去概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。习惯性、经常性的动作、行为。时间状语:时间状语:ago,yesterday,the day before yesterday,ago,yesterday,the day before yesterday,last week(year,night,month),in 1989,just now,at last week(year,night,month),in 1989,just now,at the age of 5,one day,long long ago,on
7、ce upon a the age of 5,one day,long long ago,once upon a time,etc.time,etc.基本结构:基本结构:bebe动词;动词;行为动词行为动词否定形式:否定形式:was/were+not;was/were+not;在行为动词前加在行为动词前加didntdidnt,同时还原,同时还原(hun yun)(hun yun)行为动词。行为动词。一般疑问句:一般疑问句:waswas或或werewere放于句首;放于句首;用助动用助动词词dodo的过去式的过去式did did 提问,同时还原提问,同时还原(hun yun)(hun yun)行
8、为行为动词。动词。第十一页,共52页。谓语动词使用过去式形式,加ed,分为规则和不规则变化。表示过去经常发生的动作,也可用“used to do used to do”和“would+动词原形”。第十二页,共52页。构成规则构成规则例子一般在动词原形末尾加-ed,(在清辅音后读/t/;在浊辅音和元音后读/d/;在/t/,/d/后读/id/。looklooked playplayedworkworked结尾是e的动词在末尾加-dlikeliked livelivedhopehoped末尾只有一个辅音字母的重读闭音节,先双写这个辅音字母,再加-edplanplanned stopstoppeddr
9、opdropped结尾是“辅音字母y”的动词,先变“y”为“i”再加-edstudystudied worryworriedcrycried第十三页,共52页。现在(xinzi)进行时第十四页,共52页。作谓语(wiy)的动词用来表示动作(情况)发生时间的各种形式称为时态。1.概念:表示现阶段或说话时正在进行的动作及行为。2.时间状语:Now,at this time,days,look.listen等时间状语做标志。3.基本结构:主语+be+doing+其他4.否定形式:主语+be+not+doing+其他5.一般疑问句:把be动词放于句首。第十五页,共52页。6.6.用法:现在进行时表示用
10、法:现在进行时表示1)1)、现在(说话的瞬间)正在、现在(说话的瞬间)正在进行或发生的动作,强调进行或发生的动作,强调“此此时此刻时此刻”。E.g.He is reading.E.g.He is reading.They are talking now.They are talking now.2)2)、当前一段时间内的活动、当前一段时间内的活动(hu dng)(hu dng)或现阶段正在进行的或现阶段正在进行的动作。动作。E.g.They are working these days.E.g.They are working these days.3)3)、某些动词的现在进行时,某些动词的现
11、在进行时,表预定的计划或即将发生的动表预定的计划或即将发生的动作。作。E.g I am coming.E.g I am coming.第十六页,共52页。现在分词的变法有现在分词的变法有1)1)、一般在动词词尾加上、一般在动词词尾加上-ing,E.g.jumping,E.g.jump2)2)、以不发音字母、以不发音字母e e结尾的结尾的动词,先去动词,先去e e,再加,再加-ing.E.g-ing.E.g have writehave write3)3)、.以重读闭音节末尾以重读闭音节末尾(mwi)(mwi)只有一个辅音字母只有一个辅音字母结尾的词,它前面是单个结尾的词,它前面是单个元音字母时
12、要先将词尾的元音字母时要先将词尾的辅音字母双写,再加上辅音字母双写,再加上-ing.-ing.E.g.sit put E.g.sit put 其句式变换都其句式变换都在在bebe上做文章。上做文章。第十七页,共52页。过去(guq)进行时第十八页,共52页。1.概念(ginin):表示过去某段时间或某一时刻正在发生或进行的行为或动作。2.时间状语:at this time yesterday,at that time或以when引导的谓语动词是一般过去时的时间状语等。3.基本结构 主语+was/were+doing+其他 4.否定形式:主语+was/were+not+doing+其他 5.一般
13、疑问句:把was或were放于句首。(第一个字母大写)其句式变化仍然要在be上做文章。第十九页,共52页。过去进行时常与过去某一特定时间(shjin)的状语连用,如 last night,at that time,at noon yesterday,last Sunday 等。也有时没有时间(shjin)状语,要通过上下文的暗示来确定用过去进行时。第二十页,共52页。一般(ybn)将来时第二十一页,共52页。构成构成:will,shall+:will,shall+动词原形,其中动词原形,其中shallshall只用于只用于第一人称。第一人称。be going be going toto+动词原
14、形,表示主动词原形,表示主观打算,按计划,安排要发生的事情。观打算,按计划,安排要发生的事情。be be toto+动词原形,表示客观安排动词原形,表示客观安排 be about be about toto+不定式,意为马上要做某事,正要做某事。不定式,意为马上要做某事,正要做某事。某些动词,可用进行时态表将来,如某些动词,可用进行时态表将来,如come,come,go,arrive,leavego,arrive,leave。在时间状语从句和条件状在时间状语从句和条件状语从句中,主句用一般将来时语从句中,主句用一般将来时(will+(will+动词原形动词原形),从句中用一般现在时表将来。,从
15、句中用一般现在时表将来。一般现在一般现在时可表示按时间表发生的将来的动作时可表示按时间表发生的将来的动作(dngzu)(dngzu)(限限start,begin,arrive,end,close,leave-start,begin,arrive,end,close,leave-等表示开始或移动意义的词等表示开始或移动意义的词)第二十二页,共52页。时间(shjin)状语:Tomorrow,next day(week,month,year),soon,in a few minutes,by,the day after tomorrow,etc.第二十三页,共52页。否定形式否定形式(xngsh)
16、(xngsh):主语:主语+am/is/are not going+am/is/are not going toto do do;主语;主语+will/shall not do+will/shall not do+其他其他 一般疑问句:一般疑问句:bebe放于句首;放于句首;will/shallwill/shall提到句首。提到句首。e.g.She will be back in three days.e.g.She will be back in three days.She will not be back in three days.She will not be back in thr
17、ee days.Will She be back in three days?Will She be back in three days?They are going They are going toto clean their classroom.clean their classroom.They are not going They are not going toto clean their classroom.clean their classroom.Are they going Are they going toto clean their classroom?clean t
18、heir classroom?第二十四页,共52页。过去(guq)将来时第二十五页,共52页。构成:(构成:(would+would+动词原形,或将来时的动词原形,或将来时的其它过去构成形式其它过去构成形式was going was going toto do do)表示以过去某一时间表示以过去某一时间(shjin)(shjin)为参照,在过为参照,在过去看将要发生的动作或存在的状态。在宾去看将要发生的动作或存在的状态。在宾语从句及间接引语中,时态呼应,经常会语从句及间接引语中,时态呼应,经常会用到过去将来时。如用到过去将来时。如I thought it was going I thought
19、 it was going toto be fun.be fun.时间时间(shjin)(shjin)状语:状语:-soon/the next day-soon/the next day-that-clause(that-clause(名词性从句或上下文中名词性从句或上下文中-)-)第二十六页,共52页。现在(xinzi)完成时第二十七页,共52页。1.1.概念:表示发生在过去,持续到现在,概念:表示发生在过去,持续到现在,可能可能(knng)(knng)刚刚结束也有可能刚刚结束也有可能(knng)(knng)继续进行下去的动作或状态,甚至延续继续进行下去的动作或状态,甚至延续到将来,并对现在
20、造成一定的影响或结到将来,并对现在造成一定的影响或结果。常与果。常与since+since+过去时(间)过去时(间),for+,for+一段一段时间连用。表示与现在有联系的过去的时间连用。表示与现在有联系的过去的动作。动作。2.2.时间状语:时间状语:yet,already,just,never,ever,yet,already,just,never,ever,so far,by now,since+so far,by now,since+时间点,时间点,for+for+时间时间段,段,recently,lately,in the past few years,recently,lately,
21、in the past few years,etc.etc.3.3.基本结构:主语基本结构:主语+have/has+p.p+have/has+p.p(过(过去分词)去分词)+其他其他 第二十八页,共52页。4.4.否定否定(fudng)(fudng)形式:主语形式:主语+have/has+have/has+not+p.pnot+p.p(过去分词)(过去分词)+其他其他 5.5.一般疑问句:一般疑问句:have/has+have/has+主语主语+p.p+p.p(过(过去分词)去分词)+其他其他?第二十九页,共52页。非延续性动词和延续性动词非延续性动词和延续性动词 非延续性动词在时间上没有延非
22、延续性动词在时间上没有延续性,常见的有续性,常见的有come,go,come,go,arrive,leave,begin,start,buy,arrive,leave,begin,start,buy,join,die,buy,find,stop,become,join,die,buy,find,stop,become,open,borrow,lend,appear,open,borrow,lend,appear,close,fall,finish,sell,lose,killclose,fall,finish,sell,lose,kill等,等,这些动词不能和表示这些动词不能和表示(biosh
23、)(biosh)一段时间的时间状语连用。一段时间的时间状语连用。但是,非延续性动词的否定形但是,非延续性动词的否定形式可以表示式可以表示(biosh)(biosh)状态的延状态的延续,可与续,可与for/sincefor/since等时间状语等时间状语连用。连用。第三十页,共52页。有些同学错误(cuw)地认为这类非延续性动词不能用于完成时态中。其实,错误(cuw)的本质在于非延续性动词与时间段的错误(cuw)搭配,与现在完成时态无关。第三十一页,共52页。延续性语境中的非延续性动词的使用延续性语境中的非延续性动词的使用 在具体的语言环境中,往往会出现非延续在具体的语言环境中,往往会出现非延续
24、性动词与时间段相连性动词与时间段相连(xin lin)(xin lin)用的情况。由用的情况。由于受汉语影响,往往错误地直译为:于受汉语影响,往往错误地直译为:He has fallen asleep for an hour.He has fallen asleep for an hour.他睡了一小时了。(他睡了一小时了。()His father has died for three years.His father has died for three years.他父亲去世三年了。(他父亲去世三年了。()当出现这种情况时,我们往往采取以下解决当出现这种情况时,我们往往采取以下解决方法:方
25、法:第三十二页,共52页。(1)将非延续性动词转化为相应的状态动词。所谓状态动词就是指这一动作(dngzu)发生后接下来所呈现的状态。如:He has been asleep for an hour.(fall asleep,“入睡”为短暂动作(dngzu),但be asleep“睡着”则为状态动词,可延续。)His father has been dead for three years.(die为短暂动词,“死”后的状态可用“be dead”这种系表结构来描述,可延续。)第三十三页,共52页。常见常见(chn jin)(chn jin)的这种动词的转化有以下几类:的这种动词的转化有以下几类
26、:go therebe there,come backbe back,go therebe there,come backbe back,borrowkeep,buy/catchhave,arrivebe in,borrowkeep,buy/catchhave,arrivebe in,beginbe on,openbe open,closebe closed,beginbe on,openbe open,closebe closed,diebe dead,leavebe away from,get upbe up,diebe dead,leavebe away from,get upbe up
27、,fall asleepbe asleep,becomebe,joinbe in/a fall asleepbe asleep,becomebe,joinbe in/a member of,receivehave,catch/get a coldhave a member of,receivehave,catch/get a coldhave a cold,get marriedbe marriedcold,get marriedbe married,come be income be in,finish be overfinish be over,leaver be away leaver
28、be away第三十四页,共52页。have have(hashas)been been 和和have have(hashas)gone gone 的区别的区别(qbi)(qbi)have been have been toto a place a place意思是意思是“到到过、去过过、去过”,表示曾到过某处,表示曾到过某处,但现在人不在那儿;但现在人不在那儿;have gone have gone toto a place a place表示表示“去了去了”,已经,已经去了某地,现在人可能在去的去了某地,现在人可能在去的途中或已经到那儿了。途中或已经到那儿了。第三十五页,共52页。巧解现在
29、巧解现在(xinzi)(xinzi)完成时态题完成时态题第三十六页,共52页。技巧技巧1:1:寻找现在完成寻找现在完成(wn chng)(wn chng)时中的时中的“段时间段时间”。(1)(1)现在完成现在完成(wn chng)(wn chng)时表示过去已时表示过去已经开始并持续到现在的动作或状态经开始并持续到现在的动作或状态,多多和表示一段时间的状语连用和表示一段时间的状语连用:for+:for+一段一段时间时间;since+;since+点时间点时间(since(since作连词后接从作连词后接从句时句时,该从句要用一般过去时该从句要用一般过去时)。(2)(2)现在完成现在完成(wn
30、chng)(wn chng)时态也用在含时态也用在含有有during/in/over the last yearsduring/in/over the last years或或in in recent yearsrecent years等的句子中。等的句子中。第三十七页,共52页。趁热打铁(chn r d ti)第三十八页,共52页。1.The Oriental Pearl TV Tower _ tens of thousands of visitors since 1995.A.attracted B.attracts C.has attracted D.will attract 2.How
31、 long _ you _ here?For about two years so far.A.have,studied B.did,live C.do,stay D.were,swimming 3.How is your father?I _him for a long time.He is fine,but busy.dont see B.hadnt seen C.didnt see D.havent seen 4.Meimei has received several letters from her hometown since she _ to the city.A.cameB.co
32、mes C.has comeD.will come 第三十九页,共52页。技巧技巧2:2:寻找现在完成时的副词寻找现在完成时的副词标志或句型。标志或句型。(1)(1)在做时态在做时态(sh ti)(sh ti)题时题时,注意注意观察句中是否有常用于现在观察句中是否有常用于现在完成时的副词完成时的副词:yet,already,:yet,already,never,lately,recently,ever,just,never,lately,recently,ever,just,before,(ever)sincebefore,(ever)since等。等。(2)(2)句型句型:It has be
33、en+:It has been+段时间段时间+since+since+过去时过去时.也可以表示也可以表示为为:It is+:It is+段时间段时间+since+since+过过去时去时.第四十页,共52页。趁热打铁趁热打铁(chn r d ti)(chn r d ti)What are you going What are you going toto do this weekend?do this weekend?I _ yet.I _ yet.havent decided B.wont decide havent decided B.wont decide C.have decided
34、D.didnt decide C.have decided D.didnt decide 2.My mother _ the windows already,so the room looks much 2.My mother _ the windows already,so the room looks much brighter.brighter.has cleaned B.had cleaned has cleaned B.had cleaned C.is cleaning D.will clean C.is cleaning D.will clean 3.It _ ten years
35、since we last _ in Beijing.3.It _ ten years since we last _ in Beijing.was,met B.has been,met was,met B.has been,met C.was,meet D.is,meet C.was,meet D.is,meet 4.How long has the weather been like this?4.How long has the weather been like this?_._.Until last night B.Ever since last night Until last n
36、ight B.Ever since last night C.Two days ago D.Two days later C.Two days ago D.Two days later 第四十一页,共52页。技巧技巧3:3:把握把握have been tohave been to与与have gone tohave gone to的的区别。区别。have been have been toto 曾经去过某处曾经去过某处(现在已经不现在已经不在那个地方在那个地方(dfng),(dfng),强调以前的经历强调以前的经历)have gone tohave gone to去了某处去了某处(强调主语已经
37、离强调主语已经离开说话者所在的地方开说话者所在的地方(dfng),(dfng),现在还没现在还没有回来有回来)第四十二页,共52页。趁热打铁(chn r d ti)第四十三页,共52页。1.Is that Jack speaking?Sorry,he isnt in right now.He _ the cinema with his aunt.A.has been to B.has gone to C.have been to D.have gone to 2.Hello,may I speak to your father,please?Sorry,my father _ to Shang
38、hai.He went there this morning.A.goes B.has gone C.has beenD.go 3.How many times _ you _ to Beijing this year?Three times.A.have,been B.had,been C.have,gone D.had gone 第四十四页,共52页。技巧技巧4:4:分清延续性动词和非延续性动分清延续性动词和非延续性动词。词。延续性动词是指那些动作可以持续的延续性动词是指那些动作可以持续的动词。如动词。如:have,keep,study,live,teach:have,keep,study
39、,live,teach等。等。非延续性动词是指那些动作瞬间完成非延续性动词是指那些动作瞬间完成(wn chng)(wn chng)的动词。如的动词。如:begin,buy,:begin,buy,borrow,lendborrow,lend等。等。做题时做题时,要注意句中是否有段时间要注意句中是否有段时间,如果如果有则用延续性动词。有则用延续性动词。第四十五页,共52页。趁热打铁(chn r d ti)第四十六页,共52页。1.Oh,Mrs.King,your dress looks nice.Is it new?No,I _ it since two years ago.A.had B.bou
40、ght C.have had D.have bought2.Tom _ the CD player for two weeks.A.has lent B.has borrowed C.has bought D.has had 3.How long has the foreigner _ here?He has _ here for several hours.arrived;come B.come;got C.stayed;been D.left;been away 4.The film _ for half an hour.has begun B.has been begun C.has b
41、een on D.began第四十七页,共52页。过去(guq)完成时第四十八页,共52页。过去完成时过去完成时 1 1、概念:过去完成时表示、概念:过去完成时表示在过去某一时间或动作之前在过去某一时间或动作之前已经发生或完成了的动作,已经发生或完成了的动作,即即“过去的过去(过去的过去(past-in-past-in-the-past the-past)”。-|-|-|-|-|-|-那时以前那时以前 那时那时 现现在在 2 2、构成:过去完成时由、构成:过去完成时由“助动词助动词 had+had+过去分词过去分词”构成,其中构成,其中(qzhng)had(qzhng)had 通用通用于各种人
42、称。于各种人称。They had already had They had already had breakfast before they arrived at breakfast before they arrived at the hotel.the hotel.She had finished writing She had finished writing the composition by 10 the composition by 10:00 this 00 this morning.morning.第四十九页,共52页。3、它的否定句是在had后边加not,变一般疑问句是把
43、had提前。E.g.I had reached the station before 9:00 oclock.I had not reached the station before 9:00 oclock.Had you reached the station before 9:00 oclock?4、它通常和before,by the end of 等引导的表示过去的时间(shjin)状语连用.另外,复合句的主句为一般过去时,宾语从句表达过去发生的动作时,从句也要用过去完成时.E.g.He said he had never seen such an exciting match befo
44、re.第五十页,共52页。过去完成时需要与一个表示过去的时间状语连用,它不能离开过去时间而独立存在。此时多与 already,yet,still,just,before,never 等时间副词及 by,before,until 等引导的短语(duny)或从句连用。第五十一页,共52页。1.We _(have read,had read)500 stories by the end of last term.2.He said that they _(have arrived,had arrived)an hour before.3.After/When he _(has done,had done)his job,he went to bed.4.I waited till he _(has finished,had finished)his work.5.When I got there,he _(has been,had been)away for half an hour.6.I went back to the classroom because I _(have left,had left)my dictionary there.第五十二页,共52页。