時(shí)態(tài)專項(xiàng),歡迎光臨指導(dǎo),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、結(jié)構(gòu)：1、be式動(dòng)詞： is am are 2、實(shí)義動(dòng)詞：難點(diǎn):當(dāng)主語(yǔ)為第三人稱單數(shù)時(shí)，V+ S（注意動(dòng)詞+s的方法）疑問(wèn)找助動(dòng)詞：do, does否定找助動(dòng)詞：dont ,doesnt,一般現(xiàn)在時(shí),在if,unless,before, as soon as,when等引導(dǎo)的狀從中；,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).,在賓從中陳述客觀事實(shí)或客觀真理時(shí)；,eg:Mr Li told us yesterday that the earth_ (move) around the sun.,一 、結(jié)構(gòu)： is / am /are + doing二、注意（現(xiàn)在分詞的構(gòu)成） 1、直接+ing 2、去掉e,+ ing 3、雙寫(xiě)+ing,現(xiàn)在進(jìn)行時(shí),難點(diǎn):, 表狀態(tài)的動(dòng)詞,不用于進(jìn)行時(shí)態(tài);Eg: We _ (have) a computer. We _ (have) a meeting now.,二、結(jié)構(gòu)：1、be 式動(dòng)詞： was were 2、實(shí)義動(dòng)詞：使用動(dòng)詞的過(guò)去式（分為規(guī)則與不規(guī)則）疑問(wèn)否定：did, didt,一般過(guò)去時(shí),難點(diǎn):,注意不規(guī)則動(dòng)詞拼寫(xiě)；Eg: Han Mei _ (buy) this new coat yesterday. Who _ (teach) you last term,Mary?,(2) 通過(guò)句子的其他成分來(lái)判斷用一般過(guò)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、結(jié)構(gòu)： was / were + doing注意過(guò)去進(jìn)行時(shí)與一般過(guò)去時(shí)的區(qū)別：,過(guò)去進(jìn)行時(shí),翻譯：（1）昨天早上8點(diǎn)鐘我在打掃房間。 （2）當(dāng)我進(jìn)入房間時(shí)，湯姆正在給他的爸爸寫(xiě)信。 （3）上星期天的這個(gè)時(shí)候你在干什么？ （4）Sue在整理床鋪時(shí)，Mary正在看電視。（while）,五、現(xiàn)在完成時(shí)1、have/ has + done（動(dòng)作發(fā)生在過(guò)去對(duì)現(xiàn)在造成的結(jié)果或影響）2、常見(jiàn)的時(shí)間狀語(yǔ)或句型already,just,ever,never,yet現(xiàn)在完成時(shí) +since + 過(guò)去的時(shí)間現(xiàn)在完成時(shí)+since+ 一般過(guò)去時(shí)句子現(xiàn)在完成時(shí)+ during(in)+the last現(xiàn)在完成時(shí) + for + 時(shí)間段,現(xiàn)在完成時(shí),現(xiàn)在完成時(shí)中，終止（短暫）性動(dòng)作的動(dòng)詞不用于For + 多長(zhǎng)時(shí)間（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、難點(diǎn)：,have /has + gone to 與have / has been to區(qū)別； eg: - Where is Tom,David? - He_the school library. I _ the new cinema for three times.,現(xiàn)在完成時(shí)與一般過(guò)去時(shí)的區(qū)別：現(xiàn)在完成時(shí)指動(dòng)作發(fā)生在過(guò)去對(duì)現(xiàn)在造成的結(jié)果或影響;一般過(guò)去時(shí)純粹描述在過(guò)去的時(shí)間里所發(fā)生的事情,與現(xiàn)在無(wú)關(guān). eg: I saw that film last night. I have seen that film.,六、：過(guò)去的過(guò)去在過(guò)去某時(shí)間（或動(dòng)作）看來(lái)已經(jīng)完成了的動(dòng)作 ：had + done 常見(jiàn)的句型：過(guò)去完成時(shí) + by the time 過(guò)去完成時(shí) + by the end of+ 過(guò)去的時(shí)間過(guò)去完成時(shí)+ when + 一般過(guò)去時(shí)的句子過(guò)去完成時(shí)+ before + 一般過(guò)去時(shí)的句子After + 過(guò)去完成時(shí) ，+ 一般過(guò)去時(shí)的句子 一般過(guò)去時(shí)（主句）+ 過(guò)去完成時(shí)（賓語(yǔ)從句）,過(guò)去完成時(shí),七、一般將來(lái)時(shí)：在現(xiàn)在看來(lái)將要 發(fā)生的動(dòng)作。1、will + do 2、be + going to do 常用的時(shí)間狀語(yǔ)：tomorrow, next , in (以后多長(zhǎng)時(shí)間）3、go,come,leave ,have的進(jìn)行時(shí)態(tài)可以表示一個(gè)將來(lái)的動(dòng)作?？键c(diǎn)：主句為一般將來(lái)時(shí)，從句（條件）用一般現(xiàn)在時(shí)。We will not go out if it snows tomorrow.I will give the letter to her as soon as she comes back tomorrow.,一般將來(lái)時(shí),八、過(guò)去將來(lái)時(shí)：在過(guò)去某時(shí)間（或某動(dòng)作）看來(lái)將要發(fā)生的動(dòng)作。1、would + do 2、was / were + going to do 過(guò)去將來(lái)時(shí)常用于賓語(yǔ)從句中 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.,以動(dòng)詞write 為例寫(xiě)出下列句子. 她每周寫(xiě)一封英文信。 她上星期寫(xiě)了一封英文信。