常用时态PPT.ppt

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1、 时态是初中英语中一种重要的语法现象时态是初中英语中一种重要的语法现象,它与动词的形式息息相关。在初中英语中它与动词的形式息息相关。在初中英语中,常常见的时态有八种见的时态有八种.在汉语中在汉语中,只有时间的变化，只有时间的变化，没有时态的概念没有时态的概念.学好了初中英语的八种常见学好了初中英语的八种常见的时态的时态,学生才有可能理解一些常见的英语语学生才有可能理解一些常见的英语语法现象法现象,才有可能进行更深层次的英语学习才有可能进行更深层次的英语学习,因因此此,作为初中英语老师的我们必须掌握一定的作为初中英语老师的我们必须掌握一定的教学技巧教学技巧,让学生轻松地掌握英语的几种基本让学生轻

2、松地掌握英语的几种基本时态。本节课我以坐标的形式逐步呈现给学时态。本节课我以坐标的形式逐步呈现给学生并配合一定的讲解与练习，使学生一目了生并配合一定的讲解与练习，使学生一目了然，掌握好初中学段的然，掌握好初中学段的8种时态。相信通过各种时态。相信通过各种时态的种时态的 综合复习综合复习,学生们写作时他们学生们写作时他们 的时的时态失误率定会大大减少态失误率定会大大减少. 。 谢谢谢谢 八八 种种 时时 态态一般现在时过去进行时一般过去式现在完成时一般将来时过去将来时过去完成时现在进行时现在现在过去过去现在现在过去过去将来将来yesterdaytomorrowtoday一般一般进行进行完成完成1

3、23巧记：一般现在时,动词一般用原形.表事实讲真理,习惯动作常发生。单数三人称，动词词尾加s/es。I do my homework.She does her homework.动词三单现在式动词三单现在式,一般词尾加一般词尾加s。s、x、ch、sh在词尾，直接加在词尾，直接加es，词尾若是字母词尾若是字母o，直接，直接es不会错。不会错。辅音字母辅音字母+y来结尾，变来结尾，变y为为i有道理，有道理，es后面紧跟随，后面紧跟随，studystudies看仔细。看仔细。 I work.She works.常见时间词：every day，always ,usually, often, once

4、a day等动词单三形式变化口诀动词单三形式变化口诀巧记：动词一般过去式，表示过去发生事。谓语动词过去式，过去时间作标志，否定句式很简单,主语之后didnt添。谓语动词还原形，疑问构成有规则，主语前面加didI did my homework.She did her homework.I worked.She worked.常见时间词：Last week/night ，yesterday,ago,in 1989,等动词过去式构成方法过去式构成有规律，一般词尾加过去式构成有规律，一般词尾加eded。如果词尾有个如果词尾有个e e，只要直接加上，只要直接加上d d。辅音字母辅音字母+y+y在词尾，

5、变在词尾，变y y为为i i加加eded，一辅重闭作尾巴，双写之后一辅重闭作尾巴，双写之后eded加。加。过去式用于过去时，表示过去发生的事。过去式用于过去时，表示过去发生的事。规则动词过去分词，变化规律同过去式。规则动词过去分词，变化规律同过去式。若是动词不规则，全靠你的记忆力。若是动词不规则，全靠你的记忆力。 。巧记：动词一般将来时，表示将要发生事。谓语动词要记清，助动词will加原形。时间状语表将来，一般情况离不开。要变一般疑问句，will主语前面移。否定句式也简单，will后边not添。I will do my homework.She will do her homework.I w

6、ill work.She will work.常见时间词：tomorrow ,next week/day,in +时间段等结构：will+动原be going to +动原现在现在过去过去将来将来yesterdaytomorrowtoday一般一般进行进行完成完成12345巧记：主语在句首，am/is/are跟在后，现在分词跟着走，其他成分不可丢，表示动作正进行，句中now时间定，一般问句这样变，把be提到主语前，否定句式也简单，be后再把not添。何时使用进行时，look. listen告诉你I am doing my homework.She is doing her homework.I

7、 am working.She is working.现在分词很好记，动词后加ing。加ing有规律，一般加上没问题。词尾如有哑音e，去e再加ing。一辅重读闭音节，辅音字母要双写。现在分词构成规则要双写的常见动词：一个m,两个d和g,三n四p,十个t.swim/nod/rid/dig/beg/run/win/begin/dip/drop/mop/stop/sit/hit/fit/set/get/let/put/regret/forget/patI was doing my homework when the UFO landed .She was doing her homework at

8、8:00 yesterday.常见时间词：at this/that time yesterday, at 6:00yesterday,when the UFO landed等结构：主+was/were +v-ing. 巧记：动词过去进行时， 过去正在做某事。 谓语结构要牢记，waswere + v - ing。 否定简单,疑不难, waswere提前或not后添。 现在、过去进行时，记忆起来需对比。 时间状语过去时， be要换作过去式。现在现在过去过去将来将来yesterdaytomorrowtoday一般一般进行进行完成完成1234567巧记：学习现在完成时，谓语结构要记住。have/has

9、+过去分词,主要用法有两个，过去发生的动作，对现在的影响或结果。Just，already常用着，过去动作或状态，一直延续到现在。for 和since把时间带。have been to+地点,曾去某地已回来have gone to+地点已去某地未回来have been in+地点,待在某地。巧记十个瞬间性动词开始离去借来还（begin、leave、go、borrow、come、return）出生入死买到家（join、die、buy、arrive）。begin _be on ,leave _be away from , borrow _keep, go _be off, come _be here

10、, return _be back, join _be in ,die _be dead , buy _have , arrive _be here1.The film began 5 minutes ago.2.They left an hour ago.3.The man died a week ago.4.He joined the club 3 days ago.5.They got married 10 years ago.6.He came here an hour ago.7.Jack got home 2 hours ago.8.Mum opened the door just

11、 now.9.They got to know 10 years ago.10.I borrowed the book a week ago.The film_ _ _ for 5 minutes.They_ _ _for an hour.The man_ _ _ for a week.He_ _ _the club for 3 days.They_ _ _for 10 years.He_ _ here since an hour ago.Jack_ _home for 2 hours.The door_ _open for a while.They_ _since 10 years ago.

12、 I_ _the book for a week.has been onhave been awayhas been deadhas been inhave been marriedhas beenhas beenhas beenhave knownhave kept意义：以过去某个时间为标准，再次以前发生的动作或行为，或在过去某动作之前完成的行为，即：过去的过去。常见时间词：by the time/end of last year ,by the time I got outside等。智慧火花动词过去完成时，动词过去完成时， 过去的过去要牢记。过去的过去要牢记。 had+过去分词，一般用于

13、时间状语从句。过去分词，一般用于时间状语从句。引导词引导词 before、when，介词短语也不离。，介词短语也不离。 若想熟练来记忆，需与现在完成时对比。若想熟练来记忆，需与现在完成时对比。现在现在过去过去将来将来yesterdaytomorrowtoday一般一般进行进行完成完成81234567意义：立足于过去的某一时刻，从过去看将来，常用于宾语从句中。结构：was going to would/should +动原Eg: She said she was going to Beijing one day.从过去看将要发生的动作。从过去看将要发生的动作。方式 时间 现在过去将来一般进行完成

14、过去比一比dodidwill dobe doingwas/were doinghave/has donehad doneshould/would do一. According to the pictures above. Fill in the blanks.1. Look, he _ (wait) for a bus.2. There _ (be) a sports meeting next week.3. _ you often _ (go) to the cinema?4. Tom _ already _ (borrow) many books.5. What _ you _ (do)

15、at this time last week?6. He said he _ (visit) his grandmother next week.7. They _ (plant) a lot of trees along the river yesterday.8. He said he _ (be) to Shanghai before.9.At present we _ (finish) all the lesson.is waitingwill beDogohasborrowedweredoingwould visitplantedhad beenhave finished1.what

16、 are Mr and Mrs Black doing ?-They _tea in the garden.A.are drinking B.drank C.have drunk D.drink2.I m sorry youve missed the train. It _10 minutes ago.A.left B.has left C.had left D.has been left 3.I dont know if his uncle_.-I think he_if it doesnt rain. A.will come;comes B.will come;will come C.co

17、mes;comes D.comes ;will come4.how many times_you_to Beijing this year? -Three times. A.had been B.have been C.have gone D.had gone AABBDo you know ?现在进行时，现在进行时，am / is / are+doing;过去进行时，过去进行时，was / were+doing;一般现在时，单三一般现在时，单三s / es ;一般过去时，词尾一般过去时，词尾+ed;一般将来时，一般将来时，be going to +原形，原形， shall / will +原

18、形；原形；现在完成时，现在完成时，have / has +p.p. ;现在完成进行时现在完成进行时，have / has been doing;过去完成时过去完成时，had +p.p. Li Weis weekend Li Wei is a good student. He always (work) hard in his school during the weekdays . At the weekend, he always (do)the same thing. On Saturday he _(wash)his fathers car and on Sunday he (go) w

19、ith his family to a village by car. His uncle and aunt have a farm there. It isnt a big one, but there (be) always much to do on a farm. He and his cousins _( help )with the animals and (give) them their food. His father and mother help in the fields . At the end of the day, they are all hungry and

20、his aunt _(give) them a big meal.worksdoeswashesgoesishelpgivegivesLi Weis last weekend Li Wei is a good student. He always works hard in his school during the weekdays . At the weekend, he always does the same thing.Last Saturday he _ (wash)his fathers car and on Sunday he (go) with his family to a

21、 village by car. His uncle and aunt_(have) a small farm last year. Now It_(become) a big one and there (be) always much to do on a farm. When they (get) there,he and his cousins ( help )with the animals and (give) them their food. His father and mother helped in the fields . At the end of the day, t

22、hey (be) all hungry and his aunt (give) them a big meal.washedwenthadbecomesisgothelpedgaveweregaveLi Weis next weekend Li Wei is a good student. He always works hard in his school during the weekdays . He usually (have) a good time on weekends. What will he do next weekend ? On Saturday morning he

23、(wash)his fathers car and on Sunday he (go) with his family to a village by car. His uncle and aunt (build) a small farm since the year of 2010 . Now It (become) a big one and there (be) always much to do on a farm. Lei Weis family (help) many times from then on .When they (get) there,he and his cousins ( help )with the animals and _(give)them their food. His father and mother will help in the fields . He (think)his aunt _(give) them a big meal after a days hard work.haswill washis goinghave builthas becomeishave helpedgetwill helpwill givethinkswill give