初中英语时态复习.ppt
wDIFFERENCESEnglish Chinese 我们每天打扫教室。我们正在打扫教室。明天我们将要打扫教室。昨天我们打扫了教室。We clean the classroom every day.We are cleaning the classroom now.We will clean the classroom tomorrowWe cleaned the classroom yesterday.英语中谓语动词有 不同时态不同时态与时间状语一致名称结构时间状语 1.am/is/are2.do/does1.was/were2.did1.will/shall+do/be2.be going to do/bebe(am/is/are)+doingbe(was/were)+doinghas/have done/beenoften,usually,alwaysyesterday,ago,last now,look,listenat that time,at 8 yesterdaytomorrow,next for ten years,since ten years ago*一般现在时*一般过去时*现在进行时过去进行时*一般将来时*现在完成时一般现在时They are both at school.He likes bananas,but I like apples.1.Mike and John _(be)often late for school.2.What _ you_(get)up every Sunday?3.Mike _(like)milk.He _(not like)eggs.4._he _his homework?(do)often,usually,always,sometimes,every day,once a week(am/is/are)(do,does)aredo getlikesdoesnt likeDoes do表示经常发生和习惯性发生经常发生和习惯性发生的动作或目前的状态。表示过去某一时刻或某一段时间内发生过去某一时刻或某一段时间内发生的动作或存在的状态一般过去时yesterday,five hours ago,last week,in 1979,just nowYou werent at home when I called you three days ago.I went shopping yesterday,but I didnt buy anything.(was/were)1.My mother _(be)ill in bed last night.2.He _(work)in that factory in 1988.3._ Lucy _(go)to England last year?No,she _.4.I _(see)him play football just now.5.*What did you do?I _(write)to my father.wasworkedDid godidnt sawplaywrote谓语动词才有时态，非谓语动词用do/doing/to do 形式did 规则+ed不规则（见表）现在进行时表示说话时正在发生的动作或现阶段在进行说话时正在发生的动作或现阶段在进行的行为.now,look,listenI am writing a letter now.Look!They are waiting for you.1.We _(work)on a farm now.2.Listen!Someone _(knock)at the door.3.Lucy _(not read)at the moment.4.*Where are they?They _(run)outside.(am/is/are+doing)are working is knockingisnt readingare running过去进行时表示过去某一时刻或某段时间正在进行过去某一时刻或某段时间正在进行的动作.all day yesterday,at this time yesterday,at 8 yesterday morningMy parents were watching TV at 8:30 yesterday evening.I wasnt doing my homework when he came.1.My family _(watch)TV at 9 yesterday evening.2.I _(have)lunch when he came.3.While mother _(cook),there was a knock at the door.4.*It was 7 oclock,my father _(wash)clothes.(was/were+doing)were watching was having was cooking was washing一般将来时表示将来某个时间要发生的动作将来某个时间要发生的动作或存在的状态,也表示将来经常或反复发生的动作将来经常或反复发生的动作.tomorrow,next month,from now on,in a week,later onHe will be back in an hour.He is going to be back.They will hold the sports meeting next week.We shall/will meet at the school gate.1.The radio says it _(rain)later on.2.We _(play)football after school.3.Tom _(be)sixty next year.4.I wonder if she _(come)here tomorrow.*5.We wont climb mountains if it_(rain)tomorrow.will/shall+do be going to dowill rainwill play will bewill comerains（If 条件状语从句和时间状语从句用一般现在时表将来用一般现在时表将来）现在完成时1.表示过去的动作对现在造成的影响或结果影响或结果。2.表示从过去过去某一时刻开始持续持续到现在或将来现在或将来的动作或状态.for ten years,since ten years ago,yet,already,beforeMr Green has worked in China for over ten years.I have worked in China since 1985.1.Mr Brown_(work)at the school for 4 years.2.His father _(live)in Chongqing since 1998.3.I _ never_(visit)London before.4.Miss Green _ us English last year.He _ us for about two years.(teach)*5.I cant enter the room because I _(lose)the key.I _(lose)it yesterday afternoon.have/has+过去分词过去分词has workedhas livedhave visitedtaughthas taught have lostlost用法：1.现在完成时强调过去对现在的影响。2.而一般过去时强调发生的时间。现在完成时与一般过去时的区别：1.Look!They_ kites over there.A.flew B.fly C.are flying D.were flying2.We _ TV when the telephone_.A.watched,was ringing B.were watching,rang C.watch,rings D.are watching,rang3.I _ him since he began to live in the city.A.has known B.knew C.know D.have known4.Judy _ the Great Wall twice,and now she still _ to go there.A.went to,wanted B.has been to,is wanting C.has gone to,wants D.has been to,wants5.There _ a parents meeting tomorrow afternoon.A.are B.will have C.is going to be D.is going to haveCBADCThank you for joining us!Thank you for joining us!
