八大时态讲解课件.pptx

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1、1,时 态,t课件.,2,知识导航,2,t课件.,3,一、一般现在时,1、构成 一般现在时常用动词原形,但第三人称单数作主语时,动词的词尾要加s或es,3,t课件.,4,2、用法,表示经常性、习惯性的动作I go to the park once a week.When do you usually have breakfast?表示客观真理The sun rises in the east.,4,t课件.,5,表示主语所具有的特征、性格、能力、状态等She is a middle school student.She looks a little worried.某些以here/there开

2、头的句子中,用一般现在时表正发生的动作Here comes the bus.,5,t课件.,6,表示将来发生的、时刻表上不改变的事The train leaves Hunan at five oclock.特殊情况在时间状语从句和条件状语从句中,若主句用一般将来时,则从句用一般现在代替将来。(主将从现)Ill see you when I get there.If it doesnt rain tomorrow,well go shopping.,6,t课件.,7,常与一般现在时连用的时间状语有:often 经常 usually 通常 never 从不 every day 每天 sometim

3、es 有时 seldom 几乎不 always 总是 once a week一周一次,7,t课件.,8,【翻译】,我今年20岁,住在北京。I am twenty years old this year , and I live in Beijing.火车将在一个小时后(in an hour)出发(set off)。The train sets off in an hour.她每天都走路上学。She walks to school every day.或:She goes to school on foot every day.,8,t课件.,9,二、现在进行时,1、构成 现在进行时由“助动词b

4、e(am/is/are) + doing”构成。,9,t课件.,10,2、用法,表此时此刻正发生的动作,常与now连用。They are cleaning the room.Listen , someone is shouting.与副词always连用,表达一种感情色彩。She is always thinking of others instead of herself.Why are you always coming late?,10,t课件.,11,有些动词(arrive,come,go,leave)的ing形式可表示将发生的、计划或安排好的事。We are leaving here

5、 next week.She is coming to see me tomorrow.while后常用doing形式While you are reading the book , he is sleeping.,11,t课件.,12,常与现在进行时连用的时间状语有:now 现在 right now 现在 these days 这些天 at this moment在此刻,12,t课件.,13,我认为他正在看电视。I think (that)he is watching TV.当我在睡觉的时候他正在听音乐。While I am sleeping , he is listening to mus

6、ic.,【翻译】,13,t课件.,14,【中考链接】,Look! there_ our dog.(2013 )come B. comes C. to come D. coming,Look ! The sun _ , and it _from the west.(2013)falls down , falls down falls down , falling down C. is falling down , falls downD. is falling down , falling down,14,t课件.,15,The man _ with his parents once a yea

7、r. (2014 )goes travel B. goes travelingC. is going travel D.is going traveling,She is doing her homework while her mother _ to her.(2014 )A. speaks B. spoke C.to speak D. speaking,15,t课件.,16,He is a lazy man . He _the dirty jeans every day.(2014 ) always wears B. always wearing C. always to wear D.

8、is always wearing,You will know the truth after you _him.(2013)A. see B. will see C. are seeing D.to see,16,t课件.,17,三、一般过去时,1、构成 一般过去时用动词的过去式表示。除系动词be的过去式有人称和数的变化外,其他动词的过去式无人称和数的变化。,17,t课件.,18,2、用法,表示过去已经发生的动作,现在已经结束,常与相应的过去时间状语连用。Tom fell ill last night , and he had to stay at home.追述逝去的人或事。Edison

9、was a great inventor.,18,t课件.,19,表示过去经常或反复发生的动作,可与always, usually, often, sometimes, never 连用。He usually walked to school last year.I often ate noodles last week, but now I seldom like it.,19,t课件.,20,常见的过去时间状语有: just now 刚才 yesterday 昨天 in the old days 在那段旧时光里at that time=at that moment 在那时a few day

10、s ago=the other day 几天前,20,t课件.,21,去年他通常坐公交车去上学,但现在经 常骑自行车上学。He usually went to school by bus last year , but now he often goes to school by bike.,【翻译】,21,t课件.,22,四、一般将来时,1、构成 一般将来时态由“will/shall+动词原形”构成,表示将来发生的动作或状态。We will/shall come to ask Mary for help.,22,t课件.,23,2、其他表示,be going to +动词原形:表示说话人主观

11、的打算或预测。I am going to look for a job here.It is going to be a fine day for camping tomorrow.,23,t课件.,24,be to do:表示已经计划或安排好的动作。The president is to visit China next week.The meeting is to start early tomorrow.,24,t课件.,25,be about to do:表示马上要发生的事,不强调主观。The train is about to leave.be about to do when 正当

12、时I am about to leave when the phone rings.,25,t课件.,26,注意:在从句中的将来时态,will要变成相应的时态。 She said she would help me if she finished her work.,26,t课件.,27,他昨天说他很快将要离开。Yesterday ,he said he would leave soon.正当他要说话时,老师来了。He is about to speak when the teacher comes.,【翻译】,27,t课件.,28,五、现在完成时,1、构成 现在完成时由“助动词have/ha

13、s+过去分词”构成,表示一件已发生的事与现在情况有联系,往往对现在造成一定影响。I have lost my key.The lift has broken down.,28,t课件.,29,2、用法,常可以和just ,ever, already, recently, yet等词连用。He has just left.Have you phoned him yet?(否定回答):No ,I havent.,29,t课件.,30,常和for+时间段、since引导的时间状语、how long 连用。How long have you known her?I have known her for

14、 three years.强调直到现在为止的经历。He has only been to China once.,30,t课件.,31,在时间和条件状语从句中,用现在完成时代替将来完成时。I will go home as soon as I have finished all my work.I will not let you go until you have finished your work.,31,t课件.,32,和time连用的情况This/It is the first time that I have seen a panda.由since引导的从句中,主句用现在完成时,从

15、句用一般过去时。We have been friends since we met at school.,32,t课件.,33,注意区别:have gone to:到某地去了,还未回来have been to:到过某地,I havent seen John for days , where has he gone?He has gone to America for business.I have been to America.,33,t课件.,34,他去上海待了一周。He has been to Shanghai for a week.我将在你离开之后告诉他们(after)。I will

16、tell them after you have left.你找到你的钥匙了吗?Have you found your key?,【翻译】,34,t课件.,35,六、过去进行时,1、构成 过去进行时由“助动词be(was/were)+doing”构成,表示在过去某一时间点正在进行的动作。at that time 当时this time yesterday昨天这个时候,35,t课件.,36,What were you doing at 8:30 yesterday evening?I was watching TV.【小试牛刀】他们昨天这个时候正在吃晚餐。They were having din

17、ner this time yesterday.,36,t课件.,37,七、过去完成时,1、构成 过去完成时由“助动词 had+过去分词”构成,表示在过去某一时刻或动作之前已经完成的动作,即“过去的过去”。这个过去的时刻常用by , before等介词短语来表示。,37,t课件.,38,常与过去完成时连用的时间状语有:before that year 那年之前by the/that time 到的时候by the end of 到为止,38,t课件.,39,By the time he got there , the bus had left.He had worked for 10 hour

18、s before he slept.【小试牛刀】到去年为止我都没有见到他。I had not seen him by the end of last year.,39,t课件.,40,八、过去将来时,1、构成 过去完成时由“助动词would/should+动词原形 或 was/were going to+动词原形”构成,表示从过去某一时间看将要发生的动作。,40,t课件.,41,Last week he said he would come to see me.I was about to leave when the phone rang.【小试牛刀】她告诉我她打算去香港。She told

19、me she was going to Hong Kong.,41,t课件.,42,【高考链接】,When Alice came to , she did not know how long she _ there.(12全国)had been lying B. has been lying C. was lying D. has lain,It was only after some process _in preventing the water pollution that we began to realize the significance of it.(13重庆)was made

20、 would have been made C. has been madeD. had been made,42,t课件.,43,-I met Tom last month.-Really?-Yes . We_ each other since we graduated from college. (14山东 )havent met B. hadnt metC. wouldnt meet D. didnt meet,My oil _.I must go to the gas station before there is none left.(10山东模考 )has run out B. i

21、s running out C. has been run out D. is being run out,43,t课件.,44,After getting lost in a storm , a member of the navy team _four days later.(11上海) rescued B. was rescuedC. has rescued D. had been rescued,The manager was worried about the press conference his assistant _in his place , but luckily , everything was going on smoothly.(13四川)gave B. has given C. was given D. had given,44,t课件.,此课件下载可自行编辑修改,供参考!感谢您的支持,我们努力做得更好!,

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