语法复习——现在完成时1.ppt
孟溪中学胥甫祥语 法 复 习现在完成时She cleaned the desk just now. The desk is clean now She has cleaned the desk.现在完成时复习目录现在完成时态的概念现在完成时态的结构现在完成时态的句型现在完成时态的用法现在完成时态与一般过去式的比较have been to / have gone to /have been in 现在完成时的构成: have/has + 动词的过去分词has: 第三人称单数第三人称单数助动词助动词have:第一、二第一、二/ 复数复数He has cleaned the desk.I have cleaned the desk.We have cleaned the desk.They have cleaned the desk.You have cleaned the desk. She has cleaned the desk.练习:(4)重读闭音节结尾,末尾只有一个辅音字母,先双写该辅音字母,再加“ ed ”。 (1)一般动词,在词尾直接加“ ed ”。 (2)以“ e ”结尾的动词,只在词尾加“ d ”。(3)以“辅音字母 + y ”结尾的动词,将 y 变为 i ,再加“ ed ”。 过去分词的构成规则动词:写出下列动词的过去式和过去分词 work _ _ live _ _ stay _ _ stop _ _ clean _ _ study _ _worked workedlived livedstayed stayedstopped stoppedstudied studiedcleaned cleanedburst burst burst hurt hurt hurt let let let cost cost cost cut cut cut hit hit hit put put put shut shut shutset set set spread spread spread read read readAAA型 beat beat beatenAAB型 become became become run ran runcome came comeABA型bring brought brought buy bought bought build built built burn burnt burntcatch caught caught dig dug dug feel felt feltfight fought foughtfind found found hear heard heardhold held held keep kept keptlay laid laid lead led led lose lost lostmake made made meet met met sell sold soldABB型 think thought thought shoot shot shotsit sat sat stand stood stood sweep swept swept teach taught taught tell told toldwin won wonbegin began begun blow blew blown break broke broken choose chose chosendraw drew drawndrive drove drivendrink drank drunk fly flew flownforgive forgave forgiven forget forgot forgotten give gave givenfreeze froze frozenknow knew known grow grew grown ride rode ridden rise rose risen ring rang rung shake shook shaken sing sang sung sink sank sunk swim swam swum write wrote writtenABC型She has cleaned the desk.按要求完成句子。作否定回答:变否定句:变一般疑问句:作肯定回答:Has she cleaned the desk?She hasnt cleaned the desk.Yes, she has.No, she hasnt.主语主语have not (havent)/ has not (hasnt)+过去分词其它过去分词其它.Have(Has) 主语过去分词其它?主语过去分词其它? Yes,主语,主语 have(has););No,主语主语havent(hasnt)现在完成时用法:(一)现在完成时用法:(一)现在完成时用来表示过去发生或已经完成的某一现在完成时用来表示过去发生或已经完成的某一动作对现在造成的影响或结果。动作对现在造成的影响或结果。常跟常跟 just, already, yet, ever, never, before, once,twice, three times,等时间状语连用。等时间状语连用。标志词:Have you ever visited the Great Wall?I have just visited the Great Wall.I have never visited the Great Wall.I have visited the Great Wall once.before.twice.three times.I have already visited the Great Wall.I have visited the Great Wall already.I havent visited the Great Wall yet.I have already visited the Great Wall. Have you visited the Great Wall yet?变否定句:变一般疑问句:2.A: _ he _ (do) his homework?B: No, he _ (not do) it yet. Fill in the blanks.1.A: _ you _ (see) the film? B: Yes, I _ already _ (see) it . Have seenhave seenHas donehasntI began to live in Songtao ten years ago.I still live in Songtao now. I have lived in Songtao for ten years现在完成时用法(二)现在完成时用法(二)现在完成时用来表示过去已经开始现在完成时用来表示过去已经开始, 持续到现在持续到现在, 也也许还会继续下去的动作或状态。许还会继续下去的动作或状态。I have lived in Songtao for ten years.I have lived in Songtao since ten years ago. I have lived in Songtao since 2003.I have lived in Songtao since I moved here.for +一段时间since+一段时间+ago (自从以前) since +过去的时间点(自从以来)since+从句(过去时)Fill in the blanks with for or since.5. Tonys grandmother has been dead _ 2004.1. We havent seen each other _ a long time.2. His father has been in the Party _ 10 years ago.3. The film has been on _ 20 minutes.4. The Greens have worked here _ they came to China.forforsincesincesinceso far,常用的时间状语还有: till today recentlythese yearsall ones lifein the last yearsin the past years2. The farmer_ (plant) hundreds of trees in the last 20 years. 1. We _ (learn) 5000 words so far.Exercise:have learnthas plantedMy dog has died.My dog has died for a week.My dog has been died for a week.die - be dead判断正误。正误将下列短暂性动词换成延续性动词:comebe buy have begin be onmarrybe marrieddie be dead leave be away borrow keep close knowget to know be illfall illbe closed joinbe a member of/ be infall asleep be asleep找出句中的错误并改正。1.My classmates have bought the gifts for two days. had2.They have left for half an hour.been away3.The baby has fallen asleep since one oclockbeen asleepShe has been to shanghai.He has gone to the Great Wall.He has been in Beijing for 2 years.词组含义have/has gone tohave/has been tohave/has been in到某地去了到某地去了,表示到了某,表示到了某地或正在去某地的途中。地或正在去某地的途中。说话时该人说话时该人不在现场不在现场 曾经去过某地曾经去过某地,现在,现在已经不在那里了已经不在那里了在某地在某地呆多长时间呆多长时间Fill in the blanks with “have/has gone to/have/has been to/have/has been in”. 1.A: Wheres Jim, Li Lei?B: He _the school library.2.The twins _China for three years.3. We _the Great Wall twice. Its very beautiful.4. My sister _ never _ a foreign country.5. A: May I speak to Frank? B: Sorry, he _ the supermarket.has gone tohave been inhave been tohas been tohas gone to现在完成时与一般过去时的比较现在完成时与一般过去时的比较 I saw the film yesterday.I have just seen the film.现在完成时一般过去时一般过去时1. Both of them _ (come) to Hongkong ten years ago.2. _you _(find) your watch yet?3. We _ already _(return) the book.用适当的时态填空。 cameHave foundhave returned4. I _(lose) my watch yesterday. lost5. I _ (not finish) my homework yet.havent finished