初中8个时态.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,时,态,1/31,八种时态,普通现在时,普通过去时,现在进行时,过去进行时,普通未来时,过去未来时,现在完成时,过去完成时,2/31,1普通现在时 V.（s/es）,2普通过去时 V.ed,3现在进行时 be+V.ing,4过去进行时 was/were+V.ing,5普通未来时 will+V.,6过去未来时 would+V.,7现在完成时 has/have+v.ed（过去分词）,8过去完成时 had+V.ed（过去分词）3/31,普通现在时：表示现在经常重复发生动作、存在状态或习惯性动作。动词写原形或第三人称单数形式，即主语为第三人称单数时，动词普通要加-s/es,与名词复数规则组成类似。假如动词为行为动词，组成问句、否定句需加助动词/do/does；普通现在时时间标志词有：often,always,sometimes,usually,every day,on Sundays等；另外表示主语含有性格、能力、特征，表客观事实和普遍真理，表现在发生详细动作等也用普通现在时；在时间和条件状语从句中惯用普通现在时代替普通未来时；预先计划安排好未来行为也可用普通现在时；状态感觉动词如：be,love,want,hope,understand等只用普通现在时，不用进行时。,4/31,普通现在时使用方法,习惯活动,现在情况,客观事实,主将从现,I,get,up at six every morning.,They,are,very busy.,He,needs,help.,The moon,moves,round the earth.,Well go there if it,doesnt rain,.,Hell call you when he,arrives,.,5/31,练习：1I book everyday,2He TV everyday,3They story everyday,read,watches,tell,6/31,普通过去时：表示过去经常或偶然发生动作或存在状态。普通过去时动词用过去式，过去式组成普通在原形动词后加-ed。详细有四种方法，即直接加-ed，加-d，改y为i加-ed,双写辅音字母加-ed；有些动词过去式是不规则，要尤其记忆，熟练利用，如：gowent,dodid等；过去式除be动词外，没有些人称和数改变；行为动词过去时，假如改为问句，否定句要加助动词did。动词过去式改为动词原形：普通过去时时间状语为表示过去时间：如：yesterday,last year,two days ago等；在时间条件从句中，用普通过去时表示过去未来时。,7/31,普通过去时使用方法,过去活动,过去状态,过去连续活动,I,saw,him yesterday.,I,was,in Grade One last year.,She,picked,it up and,went,out.,8/31,1.写出过去式：,do（）eat （）,see（）have（）draw（）win（）,练习,did,saw,drew,ate,had,won,9/31,2.填空,1.I,a picture yesterday.,2.She to a book last week.,3.They a story in the morning.,drew,went,buy,told,to后面永远加动词原形,10/31,现在进行时，表某一时刻或时段正在进行动作。动词组成为：be+现在分词(动词+-ing形式)。现在分词组成通常有三种即：在原形动词后直接加-ing,去“e”加-ing,双写最终一个辅音字母加-ing，另外以ie结尾将ie改为y再加-ing，以er结尾，假如是重读音节r结尾，先双写r再加-ing，如：prefer-preferring,假如不是重读音节则直接加-ing，如：water-watering;现在进行时标志词有now,look,listen等，大部分依据上下文情景了解；表示当前一直或重复在进行动作或难以终止动作，表示经常重复发生动作，常与always连用，含有赞扬、厌恶等感情色彩；表示明确安排好很快要发生事情等都用现在进行时表示。,11/31,现在进行时使用方法,正在进行,一直进行,与always连用,Look,they,are playing,football.,He,is writing,a novel this year.,My teacher,is,always,smiling,in class.,12/31,练习,1.Tom TV now.,2.She book now.,3.He bike now.,4.They milk now.,5.People are new bed,is watching,is,reading,is riding,are drinking,buying,13/31,过去进行时：表示过去某个时刻或某段时间内正在进行动作。动词组成为：be(was/were)+doing;过去进行时时间状语惯用，at eight yesterday,morning,from 7:00 to 9:00 last night,有时用when,while连词引导状语从句表示：过去进行时可用来叙述过 去经常或重复发生动作，常与always连用，表示赞扬、厌恶等；过去进行时与普通过去时区分；过去进行时强调过去某一时间正在进行动作，而普通过去时往往表示一个完成动作。,14/31,过去进行时使用方法,过时正进,过段直进,when,while,I,was doing,my homework at eight last night.,They,were watching,TV from nine to ten yesterday.,They,were reading,aloud when the teacher came in.,15/31,1.I TV when my mother came in.,2.They cake at 7:00 yesterday.,was watching,are making,16/31,现在完成时：表示过去发生但与现在有联络动作或状态，强调对现在影响和结果。现 在完成时动词结构为：have/has+done(过去分词)，其中have,has随主语人称和数而变 化，done规则改变与动词过去式同形，即在原形后加-ed，不规则过去分词必须熟记；现在完成时标志词常有：already,yet,ever,never,just,before等；现在完成时还可表示过去开始、连续到现在动作或状态，常与for,since短语连用，句中动词普通为延续性 动词；否定句可用短暂性动词，for加段时间，since后加点时间或普通过去时句子；普通过去时与现在完成时区分：现在完成时强调过去动作对现在影响，和现在亲密联络；一 般过去时强调动作发生时间、地点、方式等，不包括现在影响；be和go现在完成时区分；have/has been to 表示“去过某地”，已回来；have/has gone to表示“已去某地”，已离开，没回来。,17/31,现在完成时使用方法,过影响现,过延到现,两“去”,I cant find my pen.I,have lost,it.,Have,you,finished,it yet?,He,has worked,here for a year.,I,have been,in this school since 1999.,He,has been to,China twice.,He isnt here.He,has gone to,the library.,18/31,过去完成时，表示在过去某一时间或动作之前已完成动作或存在状态。过去完成时组成为：had+done；过去完成时时间状语惯用by加过去点时间，by the end of 加过去段时间，before加过去点时间表示，有时用when，before，after等引导时间从句中。,19/31,1.I had _ a lunch.,2.She _ a books.,had,had read,20/31,普通未来时：表示未来要发生动作或存在状态。动词do普通未来时结构为will+do,主语为第一人称时可用shall+do，be going to do 结构也可表示未来时，能够和will交换，但有些情况不可交换，带有意愿色彩，惯用will;表邀请或命令时，用will;在时间和条件从句中，主句未来时惯用will；有迹象表示某事将要发生或打算，计划决定要做某事，普通用be going to do 结构；普通未来时时间为表示未来时间：如tomorrow,next week等。,21/31,普通未来时使用方法,未来状态,未来活动,主将从现,现进表将,There,will,be,rain tomorrow.,What,are,you,going to,do,next weekend?,I,will,call,you as soon as I,get,there tomorrow morning.,The bus,is coming,.22/31,过去未来时：表示过去看来将要发生动作或存在状态。过去未来时动词组成为：would/should+do,也可用was/were going to+do；过去未来时普通用在从句中；一些表示位置移动动词如：go,come,leave等可用过去进行时表示过去未来时。,23/31,【例1】Our teacher,Miss Chen,_English on the,radio the day before yesterday.北京海淀区,A.teaches B.taught,C.will teach D.had taught,经典例题解析,【例3】My mother_the windows already,so the,room looks much brighter.河南,A.has cleaned B.had cleaned,C.is cleaning D.will clean,B,【例2】Excuse me.Look at the sign NO PHOTOS!,Sorry,I_it.重庆,A.dont see B.didnt see,C.havent seen D.wont see,B,A,24/31,经典例题解析,C,【例4】You_to the meeting.Why didnt you go?,山西,A.be invited B.will be invited,C.were invited D.are invited,【例5】When will you tell him the good news?,I will tell him about it as soon as he_back.,福州,A.comes B.came,C.will come D.is coming,A,25/31,课时训练,.用所给动词适当形式填空。,1.My brother isnt at home right now.He,_,(go)to Beijing.He,_,(be)there many tines.He,_,(not be)back until next week.,2.When I got home,my mother,_,(go)out for a walk.,3.He,_,(finish)his composition just now.,4.By the end of next month,all our lessons,_,(finish).,5.,_,she _(do)morning exercises every day?,has gone,has been,wont be,had gone,finished,will be finished,Does,do,26/31,课时训练,6.In the part few years,another bridge,_,(build)over the Changjiang River.,7.She_(watch)TV while she,_,(wash)her clothes.,8.He said he,_,(give)her the present as soon as she,_(,come)back.,9.Listen!Someone,_,(sing)in the next room.,10.Our teacher told us the earth,_,(go)around the sun.,has been built,watched,was washing,would givecame,is singing,goes,27/31,.单项选择,1.Sorry,I_to help you at ten.I was busy at the momen,A.wont come B.cant come,C.didnt come D.shouldnt come,2.He_this pen for five years.He_it in 1997.,A.has bought,bought.B.bought,bought,C.has kept,has bought D.has had,bought,3.She_apples in her garden when I_to see her yesterday.,A.picked，went B.was picking，went,C.picked，was going D.was picking，was going,4.I don t know if my friend_.If he _,Ill let you know.,A.comes,comes B.comes,will come,C.will come,comes D.will come,will come,5.John said he_ supper.He was quite full.,A.had had B.was haring C.had D.has eaten课时训练,C,D,B,C,A,28/31,6.There_two meetings tomorrow afternoon.,A.are going to be B.are going to have,C.is going to be D.will have,7.It_3 years since I_to No.1 Middle School.,A.is,come B.is,have come,C.was,came D.is,came,8.Father_when I _yesterday morning.,A.still slept,got up B.was still sleeping,got up,C.is sleeping,got up D.sleeps,get up,9.Kate_to bed until her mother_back.,A.wont go,come B.hadnt gone came,C.went,came D.didnt go,came,10.His brother_from home for a long time.,A.has left B.has been away,C.left D.will leave,课时训练,(A),(D),(B),(D),(B),29/31,11.It_7 hours to go to Nanjing by train.A.takes B.is taking C.has taken D.took,12.How much do you want?,I think ten dollars_ enough.,A.is B.are C.has been D.have been,13.Therell be an important talk tomorrow morning.,_ on time.,A.Do come B.Dont come,C.Do to come D.Not to come,14.Though we tried our best.We_at last.,A.won B.beat,C.were won D.were beaten,15.Why do you keep_these new words?,A.forget B.forgetting,C.to forget D.forgot,课时训练,A,A,D,A,B,30/31,thanks!,31/31,