初三英语时态复习.ppt

时态面面观：现在进行时一般现在时一般过去时过去进行时一般将来时现在完成时过去完成时过去将来时一般现在时一般现在时:概念概念:表示表示现在的状态现在的状态习惯、经常性的动作习惯、经常性的动作结构结构:do 第一，二人称和复数：动词不变第一，二人称和复数：动词不变 does 第三人称单数：动词一般加第三人称单数：动词一般加S S，以辅音字母以辅音字母 y y结尾，去结尾，去y y为为i+esi+es，以以o/s/x/ch/sho/s/x/ch/sh结尾结尾+eses标志语标志语:always、usually、sometimes、often、every day(week,year)once a week、twice a monththey,often,after classthe twins,like,riverTom,once a weekmy brother,park,every day一般过去时一般过去时:概念概念:表示过去发生的动作表示过去发生的动作或存在的状态或存在的状态结构结构:did (Ved)标志语：标志语：yesterday、.ago、in 1992、last week/month when I was 10 years old变化规则动词动词-ed形式的构成：形式的构成：wantanswermovediecarrycrystopplanwantedmoveddiedcarriedcriedstoppedplannedanswered在动词后加在动词后加-ed以字母以字母e 结尾的结尾的动词，只动词，只+d“辅音字母辅音字母+y 结尾结尾”变变y 为为i,再再+ed重读闭音节以一个重读闭音节以一个辅音字母结尾的，辅音字母结尾的，双写双写+ed-What did you do last Sunday morning?-I went to.morningwentafternoonplayedeveningLucy 现在进行时：现在进行时：be(is,am,are)+doing 与now,at the moment,look,listen,Its 5 oclock等连用（1）表示正在进行的动作表示正在进行的动作e.g.They are watching TV now.(2)某些动态动词用现在进行时表示将来，例如：某些动态动词用现在进行时表示将来，例如：come,go,leave,start,begin,arrive,return等等 e.g.Hurry up!The train is leaving.变化规则动词动词-ing形式的构成：形式的构成：writingtakinggettingrunningswimminggoinggoaskwritetakegetrunswimasking一般在动词原形一般在动词原形后后+ing以不发音的以不发音的e结尾结尾的，去的，去e，+ing重读闭音节以一个重读闭音节以一个辅音字母结尾的，辅音字母结尾的，双写这一字母双写这一字母+ing过去进行时过去进行时:概念概念:表示过去正在发生的动作表示过去正在发生的动作结构结构:be(was，were)+doing标志语：标志语：at this time、at 8:00 yesterday、from 9:00 to 10:00 last night、when I came in、while e.g.昨天这个时候，他们在学英语。昨天这个时候，他们在学英语。They were studying English at this time yesterday.过去进行时与一般过去时的区别：过去进行时与一般过去时的区别：是否存在是否存在具体时间点具体时间点e.g.I _(have)breakfast at seven yesterday morning.e.g.They _(play)computer games when she _(get)to my home.was havingwere playinggot一般将来时一般将来时:概念概念:表示将要发生的动作表示将要发生的动作结构结构:will do、shall do、be going to do 标志语：标志语：tomorrow、the day after tomorrow、in 2 weeks、next year、soone.g.I am going to buy a car next year.He will be 15 this weekend.He said that we _ a field trip the next day.A.will have B.have had C.are going to have D.would haveDe.g.He said,“I will go to Beijing.”（改为宾语从句）表示他那时说将要去北京表示他那时说将要去北京He said that he would go to Beijing.过去将来时过去将来时:概念概念:表示过去将要发生的动作表示过去将要发生的动作结构结构:would do、was/were going to do标志语：常用在主句是过去时的宾语从句中。标志语：常用在主句是过去时的宾语从句中。现在完成时现在完成时:结构结构:has done、have done标志语：标志语：already、just、yet、ever、never、before、recently,since+过去时间、过去时间、for+时间段等时间段等用法：用法：1.表示动作发生在过去，但影响到现在.I have lost my wallet.(含义是:现在我没有钱花了.)Michael has been ill.(含义是:现在仍然很虚弱)2.表示动作发生在过去，但一直延续到现在，常与for,since连用.Mary has been ill for three days.I have lived here since 1998.不规则表不规则表1.改错：Jim has back for a month.been 2.I began to learn English two years ago.（改写三个同义句）I have learned English for two years.I have learned English since two years ago.It is(has been)two years since I learned English.Exercise:3.但是，在否定句中，瞬间性动词也可以与表示一段时间的但是，在否定句中，瞬间性动词也可以与表示一段时间的 状语连用状语连用e.g.She hasnt borrowed any book from the library since last spring.I havent received his letter for a long e1.I usually (get)up at 6:00,but yesterday I (get)up at 7:00,and tomorrow I (get)up at 6:30.2.Listen!Someone (knock)at the door.3.How often _ Andy _(surf)the Internet?4.He fell asleep while he _(read)a book.5.I _ never _(hear)of that man before.6.Lily said that she (put)on the new dress the next day.7._ the story _(happen)in London in 1940?8.They (not call)you the day after tomorrow.9.Tom _(work)there since two years ago.getgotwill getis knockingdoessurfwas readinghaveheardwould putDidhappenwont callhas workedJenny Jenny _(be)a foreign girl.She _(come)from the United States.Look!She _(draw)pictures in the living-room.Two years ago,her parents _(move)to China.Jenny _(not have)any friends,so she _(use)to feel lonely.But now she_(have)many Chinese friends and _(study)with them every day.Jenny _(visit)her grandparents in America next month.iscomesis drawingmoveddidnt haveusedhasstudieswill visitreadAAA型型 costcostcost cutcutcut hurthurthurt putputput readreadreadABA型型 become becamebecome comecamecome runranrunABB 型：型：getgotgot sitsatsat meetmetmet keepkeptkept sleepsleptslept feedfed fed paypaidpaid feelfeltfelt leaveleftleft buildbuiltbuilt lend lent lentsend sent sentspend spent spent lose lostlost catch caught caught teach taught taught bring broughtbrought buy bought bought think thought thought hear heard heard sell sold sold tell told told say said said find found found understand understood understoodABC型型beginbeganbegun drinkdrankdrunk ringrangrung singsangsung swimswamswum blowblewblown drawdrewdrawn flyflewflown growgrewgrown knowknewknown throwthrewthrown breakbrokebroken choosechosechosen speakspokespoken drivedrovedriven eatateeaten fallfellfallen givegavegiven taketooktaken rideroderidden writewrotewritten