中考英语专题复习课件-八大时态

时态专项,欢迎光临指导,Steps: Revise sth about English tenses Some explanation about the difficulties More exercise to be given if possible Ask ss to do some exercises,Warm up:,一、结构：1、be式动词： is am are 2、实义动词：难点:当主语为第三人称单数时，V+ S（注意动词+s的方法）疑问找助动词：do, does否定找助动词：dont ,doesnt,一般现在时,在if,unless,before, as soon as,when等引导的状从中；,eg:I will tell you if he _ (come) back tomorrow. We shall start when the rain _ (stop). She will call Jenny as soon as she _ (return).,在宾从中陈述客观事实或客观真理时；,eg:Mr Li told us yesterday that the earth_ (move) around the sun.,一 、结构： is / am /are + doing二、注意（现在分词的构成） 1、直接+ing 2、去掉e,+ ing 3、双写+ing,现在进行时,难点:, 表状态的动词,不用于进行时态;Eg: We _ (have) a computer. We _ (have) a meeting now.,二、结构：1、be 式动词： was were 2、实义动词：使用动词的过去式（分为规则与不规则）疑问否定：did, didt,一般过去时,难点:,注意不规则动词拼写；Eg: Han Mei _ (buy) this new coat yesterday. Who _ (teach) you last term,Mary?,(2) 通过句子的其他成分来判断用一般过去式；Eg: She often _（go) to see her grandma when she was in Shanghai. Tom always _ (come) late to school when he was young.,四、结构： was / were + doing注意过去进行时与一般过去时的区别：,过去进行时,翻译：（1）昨天早上8点钟我在打扫房间。 （2）当我进入房间时，汤姆正在给他的爸爸写信。 （3）上星期天的这个时候你在干什么？ （4）Sue在整理床铺时，Mary正在看电视。（while）,五、现在完成时1、have/ has + done（动作发生在过去对现在造成的结果或影响）2、常见的时间状语或句型already,just,ever,never,yet现在完成时 +since + 过去的时间现在完成时+since+ 一般过去时句子现在完成时+ during(in)+the last现在完成时 + for + 时间段,现在完成时,现在完成时中，终止（短暂）性动作的动词不用于For + 多长时间（或how long )的句型中。如go,come,begin,start,leave,open,close,sell,buy,take,bring,die等。,eg: She_ (left) Beijing for three days. The movie _ (begin) for half an hour. The old man _(die) since two years ago.,3、难点：,have /has + gone to 与have / has been to区别； eg: - Where is Tom,David? - He_the school library. I _ the new cinema for three times.,现在完成时与一般过去时的区别：现在完成时指动作发生在过去对现在造成的结果或影响;一般过去时纯粹描述在过去的时间里所发生的事情,与现在无关. eg: I saw that film last night. I have seen that film.,六、：过去的过去在过去某时间（或动作）看来已经完成了的动作 ：had + done 常见的句型：过去完成时 + by the time 过去完成时 + by the end of+ 过去的时间过去完成时+ when + 一般过去时的句子过去完成时+ before + 一般过去时的句子After + 过去完成时 ，+ 一般过去时的句子 一般过去时（主句）+ 过去完成时（宾语从句）,过去完成时,七、一般将来时：在现在看来将要 发生的动作。1、will + do 2、be + going to do 常用的时间状语：tomorrow, next , in (以后多长时间）3、go,come,leave ,have的进行时态可以表示一个将来的动作。考点：主句为一般将来时，从句（条件）用一般现在时。We will not go out if it snows tomorrow.I will give the letter to her as soon as she comes back tomorrow.,一般将来时,八、过去将来时：在过去某时间（或某动作）看来将要发生的动作。1、would + do 2、was / were + going to do 过去将来时常用于宾语从句中 I heart that they would help us . He said that he was going to play football. I didnt know if they would come. We didnt know what they were going to do next Sunday.,以动词write 为例写出下列句子. 她每周写一封英文信。 她上星期写了一封英文信。