《英语写作与时态》PPT课件.ppt

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1、,英语总复习,英文书面表达中 时态的正确运用,现在,将来,过去,过去进行时,一般现在时,现在进行时,现在完成时,一般将来时,一般过去时,过去将来时,过去完成时,Do you remember them?,Can you find the mistakes?,Yesterday my friend and I playing in the park. Suddenly we find a bird lying on the ground. We picked it up and find its wings were hurted. It cant fly. So we took it to t

2、he animal hospital in a hurry. The doctor told us that there is nothing serious. He was gave us some medicine. Then I took it home and look after it carefully. As soon as it will get better I will let it fly to the sky again.,were playing,found,found,hurt,couldnt,was,gave,looked,gets,Yesterday my fr

3、iend and I playing in the park. Suddenly we find a bird lying on the ground. We picked it up and find its wings were hurted. It cant fly. So we took it to the animal hospital in a hurry. The doctor told us that there is nothing serious. He was gave us some medicine. Then I took it home and look afte

4、r it carefully. As soon as it will get better I will let it fly to the sky again.,一 般 现 在 时,1.用法：表示 发生的动作或存在的状态。,经常,表示真理或客观事实。,2.动词：be动词随人称、数变化为；实义动词一般用 ，当主语是第三人称单数时，动词用 形式，其构成与 基本相同。,原形,am,is,are,第三人称单数,名词变复数,look write fix wash watch miss fly carry have go do,3.常与 等频率副词连用。,sometimes, often, usuall

5、y,always, every,现 在 进 行 时,用法：表示此时此刻 或一段时间里 。,eg. Im teaching you English now. Youre listening to me now. He is playing football with his classmates. Look! The boys are running. Listen! The girls are singing. A man is smoking now.,正在发生,一直在发生,现 在 进 行 时 1、动词由两部分构成： be 随人称、数变化为am, is, are ；现在分词由 构成。be 为

6、助动词，句型转换时提前或加 not构成一般疑问句或否定句。,2.时间状语：,play look read take write get put lie die tie,3.动词 等可用进行时表将来。 e.g. Mr. Zhang is leaving for Beijing tomorrow.,be + 现在分词,动词加 ing,now, look, listen,go, come, leave, arrive,一般过去时,用法：表示 发生的动作或存在的状态。,e.g. I was born in 1975. You were in Grade Two last year. He was la

7、te for school yesterday. They saw a film the day before yesterday. We built the bridge ten years ago. Tony cleaned the classroom just now.,be,do,过去,动词：用其 。,过去式,在一般过去时的否定句和疑问句中需要加上助动词 .(动词的过去式要 ）,一般过去时:,watch play clean study carry hurt go come see get am,is are,一般过去时常与下列时间状语连用：,did,恢复原形,yesterday ,

8、last , ago , just now , in 1968等。,didnt go,Did break,We _(not go) there last week. _ you _ (break) the glass yesterday?,1.表示 某个时间发生的动作或存在的状态。,一 般 将 来 时,2.其动词形式有两种： will(shall) +动词原形 be going to + 动词原形 （一般表示计划、打算要做的事情，有时可以与will互换）,3.常与 等时间状语连用。,将来,tomorrow, next week, next year,in two days, in 2018,一

9、般现在时与现在进行时的比较,用法： 表示此时此刻正在发生或一段时间里一直在发生。,常与 sometimes, often, usually, always, every 等频率副词连用。,be动词随人称、数变化；实义动词一般用原形，当主语是第三人称单数时，动词用第三人称单数形式，,一般过去时与现在完成时的比较,用法：1、表示过去发生的动作对现在产生的影响和结果。2、表示动作发生在过去并一直持续到现在。,1.常与yesterday , last , ago , just now , in 1968等确定的时间状语连用。 2. 在从句中，保持时态前后的一致性。,现在完成时强调过去对现在的影响和结果

10、，动作可以从过去延续到现在。,动词构成：have/has + 过去分词,常与already, yet,just ,ever , never,since, for,so far 等不确定的时间状语连用。,I saw this film yesterday. （强调看的动作发生过了） I have seen this film. （强调电影的内容已经知道了） Why did you get up so early? （强调动作已发生过了） He has been in the League for three years. （在团内的状态可延续） He has been a League memb

11、er for three years. （是团员的状态可持续）,句子中如有过去时的时间副词（如yesterday, last, week, in 1960）时，不能使用 ，要用 。,一般过去时与现在完成时的比较,现在完成时,过去时,（）Tom has written a letter to his parents last night. （）Tom wrote a letter to his parents last night.,八种基本时态 注意 练习,一般现在时与现在进行时,一般过去时与现在完成时,运用时态需要注意的问题,Topic One,Topic Two,Homework,过去完成

12、时与现在完成时,一般是要求主从句前后呼应，原则是：主句是过去时， 从句用主句是现在时，从句,运用时态时需要注意的问题：,时态运用，前呼后应。,过去的相应时态；,可根据句意确定时态。,I dont know why John _ (not come) for the dinner yesterday evening. The radio reports that it _(rain) this afternoon.,didnt come,He said he _(go)to Beijing the next day. Tom told me he _(watch) TV at that time

13、.,would go,was watching,is going to rain,2when，while引导的时间状语从句，从句为过去时，主 句常用过去进行时。如： When I arrived home，my mother _ (cook).,3若宾语从句表示的是客观真理或相对不变的事实，其时态 主句过去定时态，客观真理要除外。 如：,was cooking,不受主句时态的限制。,goes,is,现在时,Ill write to you as soon as I_( get) to Beijing He will pay for the dinner if he _(be) here.,ge

14、t,is,但if连接 时不受此限制。如：,宾语从句,I want to know if he _(go) to the USA tomorrow.,will go,1注意as soon as，when, if等引导的状语从句，若主句是 将来时（也可为祈使句），从句一般用 。如：,The teacher told me the earth_( go) around the sun He told me last week that he _(be) eighteen.,过 去 进 行 时 1、表示过去某个时刻的动作。 2、动词由两部分构成： be 随人称、数变化为；现在分词由 _构成。be 为助

15、动词，句型转换时提前或加not构成一般疑问句或否定句。,3、常用时间状语 等。 用于引导的时间状语从句中。,e.g. It was raining when they left the station. When I got to the top of the mountain, the sun was shining,正在进行或发生,be + 现在分词,was , were,动词加ing,at eight yesterday morning ，at that moment,when / while,1.表示从 某个时间看来 的动作或存在的状态。,过 去 将 来 时,2.其动词形式有两种： w

16、ould +动词原形 was/were going to + 动词原形,3.常用在主句是一般过去时的从句中 。,过去,将要发生,宾语,would kill,She said she （kill) the man sooner or later. .,过去完成时与现在完成时的比较,用法：1、表示过去发生的动作对现在产生的影响和结果。2、表示动作发生在过去并一直持续到现在。,1.常与by the end of last等时间状语连用。 2. 在从句中，保持时态前后的一致性。,现在完成时强调过去对现在的影响和结果，动作可以从过去延续到现在。,动词构成：have/has + 过去分词 have/has

17、 随人称、数变化 ；过去分词的构成与其过去式规律基本相同，但有许多不规则的变化。,过去完成时指过去的过去。,动词构成：had + 过去分词,1、基本用法： 表示 发生的动作对产生的。 表示动作发生在并一直 。,现 在 完 成 时,3、常与 _等不确定的时间状语连用。,2、动词构成：,过去,现在 影响和结果,过去,have/has 随变化 ；过去分词的构成与其基本相同，但有许多的变化。,have/has + 过去分词,人称、数,过去式规律,不规则,already , yet,just ,ever ,never, since, ever since, for,so far,持续到现在,你记住了吗？

18、 故事性的文章或记事的文章，如看图说话，一般应使用且前后。 提示性写人的文章时态会复杂些，可能会用到一般时，一般时，现在时，一般时,将来，完成等多种时态。,过去时态,一致,现在,过去,完成,将来,在时态的运用中要特别注意的形式，尤其是不规则动词的。需要同学们多花时间和精力去记。另外，还要特别注意主句和从句的 问题。,动词,过去式和过去分词,过去,过去,时态前后呼应,Exercise 1. 用括号内动词的适当形式填空： 1.There _(be) an English party next week. 2.Dont make any noise. Grandparents_ (sleep). 3

19、.Well stay at home if it_(rain) tomorrow. 4.The United States _(be) a developed country. 5.Lucy went out an hour ago. She_(be) back in half an hour. 6. He _(grow) vegetables in his garden and sold them. 7.Jack _(begin) to write a book about his journey two weeks ago.,will be,are sleeping,rains,is,wi

20、ll be,grew,began,Exercise 2. 用括号内动词的适当形式完成短文： All of Miss Lis students think she_(be) a good teacher. She_(come) to this school since 1995. She is always nice to her students. She often _(help) them with their school work. So her students _(regard) her as their best friend. They _ (love) her very mu

21、ch and they often do something nice for her. One day before Teachers Day, some of her students _(buy) her some presents. When they _(give) her the presents, they _(say),” Thank you for teaching us so well and we_ (study) harder than before.” How nice her students are!,is,has come,helps,regard,love,b

22、ought,gave,said,will study,Put the following sentences into English 1、他一来，我们就开始工作。 2、看！他们在踢足球。 3、假如明天下雨，学生们就不去公园了。 4、昨晚爸爸回来我才睡觉。 5、星期天你做什么？（一般情况下） 6、刘叔叔一小时后回来。,Well start to work as soon as he comes back.,Look! They are playing football.,If it rains tomorrow, the students wont go to the park.,I didnt go to bed until my father came back last night.,What do you do on Sundays?,Uncle Liu will be back in an hour.,