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1、英語日態(tài)8種基本時(shí)態(tài)講解一.概念:英語中表示不同時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài),需用不同的動(dòng)詞形式表示,這種不同的動(dòng)詞形 式稱為時(shí)態(tài)。二.種類:(基本時(shí)態(tài))一般現(xiàn)在時(shí)一般過去時(shí)現(xiàn)在進(jìn)行時(shí)過去進(jìn)行時(shí)一般將來時(shí)過去將來時(shí)現(xiàn)在完成時(shí)過去完成時(shí)三.用法:1. 一般現(xiàn)在時(shí):"一1) 一般現(xiàn)在時(shí)表示經(jīng)常發(fā)生或習(xí)慣性的動(dòng)作或狀態(tài)及客觀現(xiàn)實(shí)和普遍真理。一般現(xiàn)在時(shí)常以動(dòng)詞原形表示,但當(dāng)主語是第三人稱單數(shù)時(shí),動(dòng)詞詞尾加-s或-es。2)句型結(jié)構(gòu):主語+V .(包括be動(dòng)詞)+賓語+ She is an engineer.He has breakfast at 6:00every day.3)注意:一般現(xiàn)在時(shí)
2、通常與always , often , usually , every day , sometimes , once a week 等時(shí)間狀語連用。2. 一般過去時(shí)一1) 一般過去時(shí)表示發(fā)生在過去的動(dòng)作或存在的狀態(tài),通常與表示過去的時(shí)間狀語yesterday, last night ,someyears ago, in 1990,in those days.等連用。I was a student 6 years ago.2)句型結(jié)構(gòu):主語+V .過去時(shí)+賓語+ 例句:昨天他很忙He wasn t busy.Was he busy?Yes, he was./ No,3)否定句和疑問句。 a)-H
3、e was busy yesterday. he wasn ' t.4)動(dòng)詞過去式變化規(guī)則。a)一般情況下的詞加-ed.work-workedcall-calledb)以不發(fā)音的字母e結(jié)尾的單詞直接加-d .livelivedchange-changedsmoke-smokeddiediedgraduategraduateddrivedrovec)以輔音字母+ y”結(jié)尾的單詞,變y為i加-ed.study-studiedcarrycarriedcry-criedtry-triedmarry-marriedd)以先音字母+ y”結(jié)尾的單,直接加-ed.playplayedstay-sta
4、yede)以、個(gè)元音字母+一個(gè)輔音字母”結(jié)尾的單詞應(yīng)先雙寫這個(gè)輔音字母然后再加-ed.stop-stopped plan-plannedpatpattedf)動(dòng)詞不規(guī)則變化:do-didgo-wentcome-camerun-ranwrite-wrotebeginbegandrink-drankkeep-keptleave-leftsleep-sleptmake-madelielaydig-dugeatateknow-knewcut-cutset-setletletread-readhurt-hurt例句:我前天拿走了這本書。去年我買了一輛自行車。每天晚上我聽音樂。3. 一般將來時(shí)1)表示將來
5、發(fā)生的動(dòng)作或存在的狀態(tài),常與表將來的時(shí)間狀語tomorrow, the day after tomorrow, next Sunday, soon, in a few days 等連用。2)句型結(jié)構(gòu):主語+ will/shall +V.原形+(第一人稱用 shall)I shall go to Shanghai tomorrow.They will have a meeting next week.- -She will be 20 years old.- -Will she be 20 years old?- -Yes, she will./ No, she won' t .3)主語
6、+ will/shall +V.原形+ be(am, is, are)going toThey will have a meeting next Sunday.(will=are going to )- -What will they do next Sunday ?- -When will they have a meeting?4) be about to + V.原形I am about to leave school.不能與表示時(shí)間的副詞連用。They are about to set out.(V)They are about to set out soon.(x )復(fù)習(xí)題:1 .H
7、e(do) his homework at school every day.2 .They(finish) their work yesterday.5.他將騎自行車去學(xué)校4 .過去將來時(shí)1)過去將來時(shí)是立足于過去某時(shí),從過去的觀點(diǎn)看將要發(fā)生的動(dòng)作或狀態(tài)。主要用于賓語從句中。2)基本結(jié)構(gòu):主語 +would/should was/were going to +V.原形 + He said that he would have a meeting next week.5 .現(xiàn)在進(jìn)行時(shí)1)現(xiàn)在進(jìn)行時(shí)表示現(xiàn)在或現(xiàn)在這段時(shí)間正在進(jìn)行的動(dòng)作。通常與 now, at present等時(shí)間狀語連用。2)基
8、本結(jié)構(gòu):主語 +be(am, is, are)+ v-ing + You are listening to me carefully now.3)動(dòng)詞現(xiàn)在分詞的構(gòu)成一般動(dòng)詞直接在詞后加-ingdo - doingread - reading 以不發(fā)音的字母e結(jié)尾的動(dòng)詞,應(yīng)先去掉e然后加-inglike - liking take - takingleave - leaving live - livingreceive - receiving dance - dancing 以一個(gè)元音字母+ 一個(gè)輔音字母”結(jié)尾的動(dòng)詞,應(yīng)先雙寫這個(gè)輔音字母然后再加-ingstop - stopping begin
9、 - beginningdig diggingswim swimmingrun running sit sitting(注意:listen - listening open - opening eat -eatingrain - raining sleep - sleeping)6 .過去進(jìn)行時(shí)1) 表示過夫某一時(shí)刻或某階段時(shí)間M在講行的動(dòng)作.通常與 at 6:00 yesterday, at this/ that time yesterday,when引導(dǎo)的時(shí)間狀語等連用。2) 基本結(jié)構(gòu)主語 +be (was/were) +v- ing +1. It was raining at 7:00
10、the day before yesterday.2. They were building a reservoir at this time last winter.3. We were reading when the teacher came in.We weren ' t reading Were you reading What were you doing when the teacher came in.He(do) his homework now.7.現(xiàn)在完成時(shí)1) 1.表示過去發(fā)生的動(dòng)作對現(xiàn)在造成的影響2.表示過去某時(shí)間已經(jīng)開始一直持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài),for 5
11、 years, since 1994, so通常與下列時(shí)間狀語連用up to now, in the past, recently, byfar, already, yet, ever, just 2) 基本結(jié)構(gòu)主語+ have/has + P.P(動(dòng)詞過去分詞)1. I ' ve finished this work.Have you read ?Yes, I have. No, I haven ' t.What have you read?3) 過去分詞的構(gòu)成(規(guī)則變化同過去式的構(gòu)成)不規(guī)則變化如下do did donego wentgoneeatateeatencome
12、came come have had hadwrite wrote written be was/were beensee saw seenhear heard heardswim swam swumdrink drank drunkgive gave givenforget forgot forgottentake took takenkeep kept keptsleep slept sleptteach taught taughtbuy bought boughttell told toldmakemademadecutcutcuthurthurthurtreadreadreadlet
13、let let4) 注意1. 含有終止意義或暫短意義的動(dòng)詞不能與for, since 引導(dǎo)的一般時(shí)間狀語連用。buy, begin, die, come, go , join, leave 等)A) I have bought a book.I have bought a book for 3 day. (wrong)I have had a book for 3 years.B) He have joined the army for 3 years. (wrong)He has been in the army for 3 years.He joined the army 3 years
14、ago.C) He has been dead for 3 years.He died 2 years ago.It is 2 years since he died.He has died for 2 years. (wrong)D) He has gone to Australia.2.現(xiàn)在完成時(shí)與一般過去時(shí)的區(qū)別(時(shí)間狀語的區(qū)別)I(hear) form her recently / yesterday.8.過去完成時(shí)1) 表示動(dòng)作發(fā)生在過去某一時(shí)間之前已經(jīng)完成的動(dòng)作或狀態(tài),強(qiáng)調(diào) 過去的過去",常與by the time, bythe end offore , by等引導(dǎo)時(shí)間的
15、狀語連用。2) 基本結(jié)構(gòu)主語+ had +動(dòng)詞過去分詞+When I got to the cinema yesterday the film had begun already.昨天當(dāng)我到達(dá)電影院時(shí)電影已經(jīng)開始了。He had learned English before he came here.他來這兒之前已經(jīng)學(xué)會(huì)英語了。He had aught this class for 3 years by the time I left the school.當(dāng)我離開這個(gè)學(xué)校為止 他已教這個(gè)班級三年了。By the end of last term I had learned 2000 English words.到這學(xué)期末我已學(xué)會(huì)了2000個(gè)英語單詞。時(shí)態(tài)部分總復(fù)習(xí)題I. Fill in the blanks.1. We usually(get ) up at 7:00 every morning.2. She(watch) TV when
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