初中英语的动词各种时态、语态课件.ppt
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1、 一、一般现在时一般现在时的谓语构成:1、be动词:am/is/are 2、行为动词:A:动词原形 B:动词+-s(主语为单三)动词be一般现在时am I am.is he/she/it is.are we/you/they are.动词第三人称单数变化+s write writes+esgo goeswash washeswatch watchesfix fixes变y为i+esstudy studies辅音字母+y 结尾的词特殊变化have has闪记一般现在时的用法:1、一般现在时表示现在经常发生或习惯性的行为或状态,常与usually,always,every day,twice a
2、week,seldom,sometimes等时间状语连用。eg:He always sleeps with the windows open/closed.他总是开(关)着窗子睡2.表示客观事实或普通真理(不受时态限制)1.The geography teacher told us the earth(move)around the sun.2.Water(boil)at 100oC.movesboils3、一般现在时表示主语的性格、特征、能力等。eg:He works hard.他工作很努力。He can speak English.He likes sports.客观真理,客观存在,科学事
3、实或表示格言或警句。1.In some parts of the world,such as in England,tea _ with milk and sugar.A.is serving B.serves C.is served D.served2.-The girl _ weight recently.-Yes,she _ too much.A.has gained,is eating B.gains,eats C.is gaining,ate D.is gaining,eats4、在时间、条件、比较等状语从句中表将来的动作.在由when,if,as soon as,等引导的状语从句中
4、,常用一般现在时代替将来时,但应注意,主句的谓语动词必须用一般将来时。1.If it(rain)tomorrow,we(put off)the activity.2.As soon as he(arrive),I(telephone)you.3.If you(accept)my invitation and come to our party,my family(be)pleased.rainswill put offarriveswill telephonewill acceptwill be5、表示安排或计划好的将来动作,通常限于表示运动的动词,如:go,come,leave,start等
5、。eg:The train starts at 10 o clock in the morning.火车在上午10点发车。实战演练1.Jim usually _(have)lunch at home,but sometimes he _(have)it at school.2.Ill tell him the news as soon as he _(come)back.3.If it _(not rain)tomorrow,well go to the zoo.4.Dont get off the bus until it_(stop).5.You may go out to play wh
6、en you _(finish)your homework.hashascomesdoesnt rainstopsfinish6.The teacher told us that the earth _(travel)round the sun.7.-Do you know if we _(go)to the cinema tomorrow?-I think well go if we _(not have)too much homework.8.She watches TV twice a week._ _ does she watch TV?travels will go dont hav
7、e How often 9.Jim has lunch at home everyday.(否定句)Jim _ _ lunch at home everyday.10.He does his homework every day.(一般疑问句)_he _ his homework every day?11.He has few friends,_ _?(反意疑问句)doesnt haveDoes do does he12.Mr.Smith(travel)to work by bus every day.13.The new teachers(arrive)tomorrow.14.I(arriv
8、e)by the time the meeting(begin).15.I(tell)him the news as soon as I(see)him.16.Pride(go)before a fall.17.He(think)it his duty to take care of the orphans.travelsarrivewill have arrivedbeginswill tellseegoesthinks动词时态1.一般现在时(do,does)1)Dogs bark(吠叫).2)His dog always barks at strangers.3)When his dog
9、barks,he will know that a stranger may come.4)The train leaves at seven tonight.5)The house belongs to him.(事实、真理)(习惯性、经常性)(时间、条件状从)(按规定、时间表)二、现在进行时现在进行时的谓语构成:am/is/are+动词ing 现在进行时的用法:表示说 话时或现阶段正在进行或发 生的动作,常与时间状语now,this week,these days,at this time,at present,at the moment等连用。另外,我们还要注意句中的隐含条件(如:loo
10、k,listen,Its nine oclock等)。如:Look!The students are doing their homework.Listen!Someone is singing in the next room.Dont go out!Its raining hard outside.有些动词如come,go,leave,begin,等的现在进行时可以表示预定的或即将发生的动作,句中常有表示将来的状语:Im leaving on Sunday morning.Jim is coming here this evening.1.表示说话时正在发生着的一个动作;-Is this
11、raincoat yours?-No,mine(hang)there behind the door.2.表示现阶段但不一定是发生在讲话时;He(teach)English and(learn)Chinese.3.表近期特定的安排或计划I(meet)Mr.Wang tonight.4.go、come等起止动作可用进行时代替将来时。We(leave)on Friday.is hangingis teachinglearningam meetingare leaving5.与always、often constantly,continually等频度副词连用,表经常反复的行动或某种感情色彩.The
12、 girl always(talk)loud in public.Tim constantly(ask)me such foolish questions.is talkingis asking实战演练1.Look!Some children _(play)football on the playground.2.Listen!Someone _(play)the piano in the room.3.The students of Class Two _(work)on the farm now.4.Be quiet!Your father_(sleep).5.Dont go out!It
13、 _(rain)hard outside.are playingis playingare workingis sleepingis rainingis readingam.helpingam takingare goingwasnt noticing1.As she(read)the newspaper,Granny falls asleep.2.I dont really work here;I just(help)out until the new secretary arrives.3.Ive won a holiday for two days to Florida.I(take)m
14、y mum.4.-Hey,look where you(go)!-Im terribly sorry.I(not notice).5.He always(think of)others first.isthinking of三、一般过去时一般过去时的构成:动词的过去式一般过去时的用法:表示过去发生的动作或状态.一般过去时表示过去某个时间发生的动作或 状 态,常 和 表 示 过 去 的 时 间 连 用,yesterday,last night,in 1990,two days ago等。也表示过去经常或反复发生的动作,常和often,always等表示频度的时间状语连用。1、表示过去某个特定时间
15、发生的动作或状态,常有明确的时间状语,如yesterday,last night,some years ago,in1890,two years ago等,以及由when等引导的时间状语从句。2、表示过去某一段时间内经常或反复发生的动作常与often,usually,seldom等表示频度的副词连用。When I was in the countryside,I often called on my old friends there.我在乡村里,经常去拜访那里的朋友。3、在条件、时间状语从句中,常用一般过去时代替过去将来时。They said they would let us know i
16、f they heard any news about him.他们说如果听到什么关于他的消息,就通知我们。重读闭音节,双写辅音字母加ed行为动词的过去式carry carried like likedstop stopped work worked以e 结尾,直接加d辅音字母加y,变y为i,加ed直接在词尾加ed动词be的过去式变化am wasis wasare were闪记:have a meeting,yesterdayWe had a meeting yesterday.give a concert,last monthJay gave a concert last month.joi
17、n WTO,in 2001China joined WTO in 2001.get married,in 1999They got married in 1999.visit Canada,last ThursdayHe visited Canada last Thursday.die,December 9He died in Shanghai on Dec.9.实战演练1._ you _a good time last Sunday?2.The headmaster _(not say)anything at the meeting yesterday.3.Have you ever bee
18、n there?Yes,I _(go)there last spring.4.Lily_(fall)off her bike and _(hurt)herself last Monday afternoon.Did have didnt saywentfell hurt5.Its a long time since we _ last.A.meet B.met C.will met D.have met6.-Have you ever been to the Great Wall?-Yes,I _ there last spring.A.go B.have gone C.will go D.w
19、entBD5.Mr.Li invited her to the party.(改为一般疑问句)_Mr.Li _her to the party?6 They asked the teacher a question.(改为否定句)They_ _the teacher a question.Did invitedidnt ask8.Tom watched TV for two hours.(对画线部分提问)_ _ _Tom _TV?9.She helped me do some cleaning.(对画线部分提问)_ _She _ you_?How long did watchWhat did
20、helpdo一般过去时的用法 1.-Look!Someone has spilt(溢出)coffee on the carpet.(地毯)-Well,it _ me.A.isnt B.wasnt C.hasnt been D.hadnt been2.-Ive bought a box of chocolates for our daughter.-Oh,how good a dad!But she doesnt like sweet things._ that?A.Dont you know B.Havent you known C.Didnt you know D.Hadnt you kno
21、wn3.-Was Mary in the office when you arrived there?-Yes,but she _soon afterwards.A.had left B.left C.would leave D.will leave动词时态-一般将来时1、一般将来时表示将来某个时间要发生的动作或存在的状态,常与表示将来的时间状语连用,如tomorrow,in the future,next year等。一般将来时由“助动词will/shall+动词原形”构成。还可表示说话人根据已有的事实或迹象,认为某事即将发生、肯定会发生或可能出现的情况。I think Im going t
22、o die.我想我要死了。(现在生命垂危)Look at the cloud.Its going to rain.瞧那乌云,天要下雨了。(乌云密布,使我断定天要下雨)2、一般将来时的其他表达法(1)be going to+动词原形表将来 这种结构表示打算、计划、决定要做的事或肯定要发 生的事。They are going to meet outside the school gate.他们打算在校门口见面。(2)be about to+动词原形表将来 be about to+动词原形表示打算或据安排即将发生的动作。它不与表示时间的副词或其他时间状语连用。The English evening
23、is about to start.英语晚会即将开始。(3)用现在进行时来表示将来现在进行时表示按计划、安排即将发生的动作,这一结构常用于表示位置转移的动词,如come,go,leave,start,move,arrive等,还有join,play,eat,work,return,take,wear,stay,sleep,meet等。常与表示将来的时间状语连用。Im leaving for Tibet on Sunday.星期天我要去西藏。When are you going back to your factory?你什么时候回工厂?实战演练1.There_(be)an English fi
24、lm on TV tonight.2._we_(go)to the park next Sunday?3.He _(not go)home until he finishes his homework.4.What _ you _(do)next Sunday?5.I _(be)free tomorrow morning.will beShall gowont gowill doWill be6.There is going to _ a meeting next week.A.be B.have C.is D.has7.-I dont know if it _ tomorrow.-If it
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