九年级仁爱版英语上unit_1_现在完成时态课件

Present Perfect Present Perfect TenseTense 现在完成时现在完成时 Present perfect tensePresent perfect tense 现在完成时 构成构成: : have/has + 过去分词 （过去分词的变化分规则与不规则两种。 规则变化与过去式相同，不规则变化需要另记 ） 过去分词的构成 (1)规则动词的过去分词和它的过去式相同,即 在原形后加ed（以e 结尾的加d） work- worked arrive- arrived (2). 以y结尾的改y为i+ed study- studied try-tried (3).以重读闭音节结尾的双写最后一个字母ed stop-stopped drag-dragged (4).有些动词的过去分词是不规则的，需要 逐个记忆。（背熟不规则动词表） go- gone take- taken A.肯定句 主语助动词have has + 动词过去分词 + B.否定句 主语助动词have has + not + 动词过去分词+ C.一般疑问句 助动词Have Has +主语+动词过去分词+ 肯定回答 ： 否定回答 ： Yes,主语+have/has No,主语 + have/has not havent/hasnt 二、句式 D. 特殊疑问句： 特殊疑问词+have/has +主语 +动词过去分词+ 用法一：用法一： 1.表示过去的发生的动作对现在造成的的影响 或结果。即它的“完成用法”常与 already“ 已经”，just“刚刚”，ever“曾经”，yet“尚，还”， never“从来没有”,before“在以前”等连用. 例如： I have just cleaned my clothes我刚洗过 衣服。 （“洗衣服”是发生在过去的动作，对现在造成 的结果是“衣服干净了”）。 对比： I cleaned my clothes yesterday . 我 昨天洗了衣服， 强调的是我昨天洗了衣服这件 事。 它的时间状语通常为already“已经”，just“刚 刚”，ever“曾经”，yet“尚，还”，never“从来 没有”,before“在以前”等。 already 多用于肯定句 Eg: I have already finished it . just 一般用于肯定句中，谓语动词前 I have just met him. yet 用于否定句和疑问句尾 eg: Has he finished his homework yet ? ever 多用于疑问句 Eg: Has Jane ever been to Shanghai ? 用already，just，ever，yet，never填空 1. Have you _ visited the Geat Wall? 2.He has _ finished his homework, so he can go to play basketball . 3.He has_left, when you come back. 4.Have you watered the plants _ ? 5.I have _seen such an interesting film before. ever already just yet never ExercisesExercises 1. I _(have) lunch already. . 2. Has the train_ (arrive), yet? 3.Tom _ never_ (be to ) China. 4. The twin _just _(see) my father. have had arrived hasbeen to hasseen 用法二： for+一段时间 since+一个时间点 since+一段时间 ago since+一般过去时句子 E.g. Kate has lived here for 3 years. Kate has lived here since 2000. Kate has lived here since 3 years ago. Kate has lived here since she came to China. 表示过去已经开始，一直持续到现在的动 作或状态,并且有可能再持续下去。动词 使用延续性动词。常与for或 since引导的时间连用 用since或者for填空 1. My brother has worked in this shool _ 2006. 2. The Germans have lived in the city _ ten yeas. 3. I have had this book _ two days ago. since for since IV.分清 for和since的用法 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.Mr Green has worked here _ he came to China. 5.His grandparents have been dead _ several years. 6. Its five years _ we met last time. for since for since for since Fill in the blanks 英语动词 延续性动词 终止性动词 begin, start, die, buy, leave, come 不能与表示一段时间的状语：for+时间段, since+时间点/ 从句连用,也不能用在how long引导的特殊疑问句中. 终止性表示动作的发生与结束于一瞬间完成,不能再延续 终止性动词要表示持续时, 可用以下方法: .将时间状语改为时间段 + ago,句中谓语动词用一 般过去时. eg. 我弟弟参军两年了. My brother joined the army two years ago. .若保留for+时间段,since+时间点/从句, 或用在 how long 句型中,则需将终止性动词改为相应的状态 动词或延续性动词 begin, start, die, buy, leave, come 常见短暂性动词转化为延续性动词的有 come/go-be leave- be away (from) come/arrive-be in/at +地点 begin/start-be on die-be dead buy-have borrow- keep catch a cold -have a cold close-be closed join- be a member of be in + 组织名称 fall ill-be ill come/go- leave- come/arrive- begin/start- die- buy- borrow- catch a cold - close- join- fall ill- be be away (from) be in/at +地点 be on dead have keep have a cold be closed be a member of be in + 组织名称 be ill ExercisesExercises His father has died. (for 2 years) The football match has begun.(since9:00a.m) The twins have joined the army. (since they were 18years old) My teacher has left Nanjing. (for 3 days) His father has been dead for 2 years. The football match has been on since 9:00 a.m. The twins have been in the army since they are 18years old. My teacher has been away from Nanjing for 3 days T or F 1.我买了这块手表五年了。 2.这位老人已经死了十年了。 I have bought this watch for five years. I have had this watch for five years/since 5 years ago. I bought this watch five years ago. The old man has died for ten years. The old man has been dead for ten years/since 10 years ago. The old man died 10 years ago. F F T T T T III.分清终止性动词和延续性动词 have/has gone tohave/has gone to have/has been to have/has been to have/has been inhave/has been in have/has gone to:去了某地（已经去了或在 途中，还没有返回）； have/has been to:去过某地（曾经去过某地 ，现在已经回来了,后面可接表示“次数”的 状语）; have/has been in/at:呆在某地（表示某人“ 已在某地停留一段时间，现仍在那里”，其 后常带表示一段时间的状语）。 B A A B B A stay Exercises Exercises Tom 在哪儿？ 他去书店买书了。 我在北京待了5年了。 Jack 去过上海两次了 -Where is Tom? -He the bookshop to buy some books. I Beijing for 5 years. Jack Shanghai twice. has gone to have been in has been to Correcting 1. I have borrowed the book for 3 months. 2. My bother has joined the army since he was 18. 3. Jack and Tom have lived here since 5 years. 4. The film has been on since I have come to the cinema. 5. When has Mr. Li caught a bad cold? have kept has been in/ been a member of the army since 5 years ago/ for 5 years came didcatch 6. Ten years have passed since they got married. 7. Jim has gone to Beijing for 2 years. 8.What time have the factory opened? 9.I have gone to Chunhua Middle School twice has has been in didopen been to 现在完成时与一般过去时 一般过去时和现在完成时的动作都发生在过 去,但意义却不同. （1）一般过去时只表示过去的动作或状态, 和现在没有关系。 （2）现在完成时表示过去发生的某一动作对 现在造成的影响,强调的是现在。 如:I learned ten English songs（说明过去 学过,现在是否记得,不是本句的内容） I have learnt ten English songs.（learn发 生在过去,但强调我现在懂英语歌曲） 1.都表示过去发生的事 2.现在完成时强调过去和现在的联系，不能和具体 的时间状语连用如:yesterday, last year, three days ago, just now，in1990等； 3.一般过去时强调过去发生的事或状态与表示过去 的具体时间连用（last, ago, yesterday, etc. ） presentpast I have lived here for two yearsI have lived here for two years I lived there 2 years agoI lived there 2 years ago （2）一般过去时可以和表示过去的时间状语连 用,如:yesterday, last year, three days ago, just now，in1990等。现在完成时不能 eg.1. He had his breakfast at 6:00 He has had his breakfast. 2. When did you come here? I watched the football match on TV at 9:00. 现在完成时注意四个分清(考点) ： 1.分清与一般过去时的用法 2.分清终止性动词和延续性动词 。 3.分清has been to ,has gone to 4. 分清for, since, ago 的用法 1.-Your brother isnt at home. Where is he? He_ to Beijing. He _ for over 2 months. A has been, has left B has gone, has gone C has gone , has been away 2、Have you met Mr Li _？ A. just B. ago C.before D. a moment ago 3、Harry Potter is a very nice film .I_ it twice. A. will see B. have seen C. saw D.see C 现在完成时还与once（一次），twice（两次）， three times（三次），several times（几次） 等表示重复次数的词语连用。 C B 4,These farmers have been to the United States. Really ? When _ there ? A. will they go B. did they go C. do they go D. have they gone B 5、_ you _ your homework yet? Yes . I _ it an hour ago. A. Did; do; finished B. Have; finished ; did C. Have; done; have finished D. will; do; finish B ( ）1 -Lets go to see the show . -I _ it . Its very interesting . A have seen B see C am seeing ( ) 2 They _all their money , so they have to walk home. A spend B had spent C have spent D will spend ( ) 3 We _ our breakfast . We _ it at school at 6:30. A have had ; have had B have had ; had C had ; have had D had ; had A C B ( ) 4 -Have you ever _ my stamps ? - Yes , I _them on your desk yesterday . A saw ; saw B saw ; seen C seen ; saw D seen ; was seeing ( ) 5 -You have never been to the West Lake , _ you ? -No , never . A do B did C havent D have ( ) 6 He has gone to Qingdao for summer holidays , _he? A isnt B wasnt C hasnt D doesnt C D C ( ) 7 -_ you_ to the hospital yet ? - Yes , I have . A Have ; been B Have ; gone C Has ; been D Has ; gone ( ) 8 - Have you improved your spoken English _ ? - Yes , I have . Ive _ improved it . A already ; yet B already ; already C yet ; already D yet ; yet A C ( ) 9 - Have you seen the film _ ? -Yes , I saw it three years _. A ago ; before B before ; ago C ago ; ago D before ; before ( ) 10 Tom _ the CD player for two weeks _. A has seen , yet B havent seen ; yet C hasnt seen ; already D hasnt seen ; yet B D ( ) 11 I _ the story book for a week . A have bought B have borrowed C have had D have sent ( ) 12 Hurry up ! The film _ for te