牛津版牛津版八年级八年级(8B)Unit 11牛津译林版八年级下Unit1grammarI教学 GrammarⅠⅠ2牛津译林版八年级下Unit1grammarI教学 一、现在完成时的含义一、现在完成时的含义现在完成时用来表示之前已发生或现在完成时用来表示之前已发生或完成的动作或状态完成的动作或状态, 其结果和现在其结果和现在有联系有联系, 动作或状态发生在过去但动作或状态发生在过去但它的影响现在还存在它的影响现在还存在; 也可表示持也可表示持续到现在的动作或状态续到现在的动作或状态The Present Perfect Tense (现在完成时现在完成时)3牛津译林版八年级下Unit1grammarI教学 pastpresentEddie has lived with Millie since he was born.Eddie has lived with Millie for four years.pastpresent4 yearsEddie was born four years ago.4牛津译林版八年级下Unit1grammarI教学 二、现在完成时的构成二、现在完成时的构成1. 现在完成时的肯定句现在完成时的肯定句 句型句型:主语主语 (第一、二人称单、复数第一、二人称单、复数) + have +过去分词过去分词We have lived in Nanjing for 10 years. e.g. I have finished my report.5牛津译林版八年级下Unit1grammarI教学 主语主语(第三人称复数第三人称复数) + have + 过去分词过去分词e.g. They have moved away.主语主语(第三人称单数第三人称单数) + has + 过去分词过去分词e.g. He has been in Beijing for two months. 2. 现在完成时的否定句现在完成时的否定句 句型主语句型主语 + have/has + not + 过去分词过去分词6牛津译林版八年级下Unit1grammarI教学 e.g. I have not seen Harry Potter yet. He hasn’t been to Tianjin since then.3. 现在完成时的一般疑问句现在完成时的一般疑问句 句型句型 Have/Has + 主语主语 + 过去分词过去分词 Have you…? Has he…? Yes, I have. Yes, he has. No, I haven’t. No, he hasn’t. 7牛津译林版八年级下Unit1grammarI教学 三、现在分词的构成三、现在分词的构成原形原形过去分词过去分词原形原形过去分词过去分词travelvisitmovestopstayfinishownshoplearnsolvetravelledmovedstayedownedlearnedvisitedstoppedfinishedshoppedsolvedA 规则动词的过去分词规则动词的过去分词8牛津译林版八年级下Unit1grammarI教学 B 不规则动词的过去分词不规则动词的过去分词原形原形过去分词过去分词 原形原形过去分词过去分词thinkputcatchcostgivegrowmakehurtwriterunthoughtcaughtgivenmadewrittenputcostgrownhurtrun9牛津译林版八年级下Unit1grammarI教学 原形原形过去分词过去分词原形原形过去分词过去分词feelbringfallwearflysinghaveforgetdrinkkeepfeltfallenflownhaddrunkbroughtwornsungforgottenkept10牛津译林版八年级下Unit1grammarI教学 Complete the sentences using the present perfect tense.1. They ____________(finish) their homework.2. Mr and Mrs Li ____________ (not come) back yet.3. John __________(play) this computer game a few times.haven’t comehave finishedhas played11牛津译林版八年级下Unit1grammarI教学 4. We ___________ (not see) that film yet.5. Mr Dong ___________ (repair) over ten bicycles since last Monday.6. You _____________ (not visit) me for a long time.haven’t seenhas repairedhaven’t visited12牛津译林版八年级下Unit1grammarI教学 Complete the conversation using the correct forms of the verbs in brackets.Millie: (1)_____ you ____(see) any exhibitions recently, Sandy?Sandy: No, I (2)_______. What about you?Millie: Well, I (3)_________(see) one. I saw it at the history museum last week.Sandy: What’s it about?Have seen have seenhaven’t13牛津译林版八年级下Unit1grammarI教学 Millie: I (4)_____________(forget) the title. It’s about changes in Beijing over the past century.Sandy: Oh, yes. I (5)__________(hear) about it.(6)_____ your cousin ____ (go) with you?Millie: No, he (7)______. He (8)________ (be) very busy recently.have forgottenhave heardDid godidn’thas been14牛津译林版八年级下Unit1grammarI教学 Sandy: Did you enjoy the exhibition?Millie: Yes, I did. I (9)_______ (learn) a lot about Beijing’s past and present. It’s a good exhibition and I (10)____________ (decide) to see it again. Do you want to go with me?Sandy: Sure. I won’t miss it this time.learnthave decided15牛津译林版八年级下Unit1grammarI教学 1. He ______________ (not finish) the homework yet. He will try to finish it quickly.2. My family ________ (live) in Nanjing since 1996.3. _____ you ______ (know) him since then?hasn’t finishedhas livedHaveknown16牛津译林版八年级下Unit1grammarI教学 4. They _____ already _______ (decide) to go to Kunming for the holiday.5. We ___________ (move) to the new flat since last month. 6. The girl __________ (learn) English for about two years. havedecidedhave movedhas learned17牛津译林版八年级下Unit1grammarI教学 7. My father went to Beijing two weeks ago. I ___________ (not see) him since then.8. ____ Tom _______ (write) letters to you recently?9. Jack’s mother isn’t at home. She ________ (go) to the supermarket. 10. The film ________ (be) on for about 20 minutes. We missed the beginning.haven’t seenHaswrittenhas gonehas been18牛津译林版八年级下Unit1grammarI教学 如何区别现在完成时和一般过去时如何区别现在完成时和一般过去时如何区别现在完成时和一般过去时如何区别现在完成时和一般过去时1. 1. ①①①①I saw the film yesterday. I saw the film yesterday. 我昨天看了那部电影。
我昨天看了那部电影我昨天看了那部电影我昨天看了那部电影 ②②②②I have seen the film. I have seen the film. 我已经看过那部电影了我已经看过那部电影了我已经看过那部电影了我已经看过那部电影了区别一区别一区别一区别一___________ ___________ 的谓语动词用动词的过去的谓语动词用动词的过去的谓语动词用动词的过去的谓语动词用动词的过去式式式式, , 而而而而 ___________ ___________ 的谓语基本构成是的谓语基本构成是的谓语基本构成是的谓语基本构成是“ “have / has + have / has + 动词的过去分词形式动词的过去分词形式动词的过去分词形式动词的过去分词形式” ”一般过去时一般过去时现在完成时现在完成时19牛津译林版八年级下Unit1grammarI教学 2. ①① I had supper an hour ago. 我一小时前吃了晚饭我一小时前吃了晚饭 ②② I have just had supper. 我刚刚吃过晚饭。
我刚刚吃过晚饭区别二区别二___________ 通常与表示过去确切时间的通常与表示过去确切时间的时间状语连用例如时间状语连用例如: yesterday, last week, in 2002, an hour ago等；等；一般过去时一般过去时20牛津译林版八年级下Unit1grammarI教学 ____________ 则常与则常与just, already, ever, never等副词和等副词和these days, this week, since ..., for ...等表示一段时间的等表示一段时间的时间状语连用时间状语连用现在完成时现在完成时21牛津译林版八年级下Unit1grammarI教学 3. ①① He went to Guilin in 1998. 他在他在1998年去过桂林年去过桂林 (这句话只说明他在过去某个时间去这句话只说明他在过去某个时间去 过桂林) ②② He has never been to Guilin. 他从来没有去过桂林他从来没有去过桂林 (这句话说明他没去过桂林这句话说明他没去过桂林, 而且强而且强 调至今都没去过。
调至今都没去过)22牛津译林版八年级下Unit1grammarI教学 区别三区别三___________ 侧重陈述一件过去的事情侧重陈述一件过去的事情, 所表示的动作或状态对现在无影响；所表示的动作或状态对现在无影响；___________ 表示的动作或状态与现在表示的动作或状态与现在有联系有联系, 侧重强调这一动作对现在所造成侧重强调这一动作对现在所造成的影响一般过去时一般过去时现在完成时现在完成时23牛津译林版八年级下Unit1grammarI教学 请从各题后所给的请从各题后所给的A、、B、、C、、D四四个选项中选出最佳答案个选项中选出最佳答案1. — I have seen the play already. — When ____ you ___ it? A. have, see B. will, see C. did, see D. did, seen2. Mr Black ____ in China for five years. A. living B. has lived C. live D. is going to liveC B 24牛津译林版八年级下Unit1grammarI教学 3. — “Why ____ she ______ angry?” — “Because he _____ at him just now.” A. did … get, shouted B. has … got … shouted C. did … get … has shouted D. has … got … has shouted A 25牛津译林版八年级下Unit1grammarI教学 4. You _____ me waiting for two hours. I _____ for you since five. A. kept … waited B. have kept … waited C. kept … have waited D. have kept … have waited C26牛津译林版八年级下Unit1grammarI教学 5. The boys ______ only two subjects last term, but this term they ____ five. A. have, have B. had, had C. had, have D. have had, haveC 27牛津译林版八年级下Unit1grammarI教学 6. He ____ to draw horses already. “When ____ he ?”. “Last year. ” A. learned … has B. learned … did C. has learned … has D. has learned … didD 28牛津译林版八年级下Unit1grammarI教学 7. Mr Black _______ in China since five years ago. A. lived B. has lived C. lives D. is going to live B 29牛津译林版八年级下Unit1grammarI教学 8. We _______ trees last Sunday. So far we _______ over 3, 000 trees there. A. planted; planted B. planted; have planted C. have planted; planted D. have planted; have plantedB 30牛津译林版八年级下Unit1grammarI教学 9. — How long _____ you ____ the library book？？ — For only three days．． A．．did; borrow B．．have; borrowed C．．were; kept D．．have; kept D 31牛津译林版八年级下Unit1grammarI教学 10．．— ____ you____ the film yet? —Yes，，I ____ it last Saturday．． A. Will; see; saw B. Did; see; saw C. Have; seen; have seen D. Have; seen; saw D 32牛津译林版八年级下Unit1grammarI教学 。