现在完成时现在完成时ThePresentPerfectTense滑县八里营乡初级中学黄利英Studying aims1.现在完成时的构成 2.现在完成时的主要用法 及相关的时间状语 3. 短暂性动词与时间段的关系 4. have been 与have gone 比较 5.与一般过去时的用法比较夏天夏天还会远吗还会远吗 ? ?will it still be far in summer?春天春天已经来了已经来了, ,Spring has already come,现在现在完成完成时态时态Springhas already come.一)构成:have/has+动词动词过去分词过去分词基本结构基本结构基本结构基本结构have / has + done (一)表示过去发生的动作或事情对现在的影响和产生的结果.它强调的是过去的动作同现在的联系.常用的时间状语有already,yet,ever,never,just,before等.现在完成时的主要用法现在完成时的主要用法A: _ your brother _ his homework yet? (finish)B: Yes, he s already done it.Key Key wordswordsHas finishedyet already A: _ you ever _ to the park? ( be )B: No, never. Key Key wordswordsHave been yet already ever never I _ just _ the desk, you can take it to your classroom . (mend )Key Key wordswordshave mended yet ever never just already (二)表示一个从过去开始,一直持续到现在,有可能继续下去的动作或状态.通常和for或since引导的时间状语连用.Tom _ in the factory since he left school ten years ago. (work )Key Key wordswordshas worked since A: How long _ you _ in this school? (teach )B: For 6 years. Key Key wordswordshave taught since for We _ only _ 100 trees so far. (plant) Key Key wordswords have planted so far Key Key wordswords yet ever never since for just before already so far in the past 10 years twice how long buyhavecome /go/get tobe injoin be inbe a memberleave be away borrow keep begin be on finish be over die be dead reture be back She has bought the computer for two years.hadbuyhave/has hadHow long have you come to the United States？ been income tohave/has been in buyhave/has hadAnn has gone to China since three months ago.been income tohave/has been inbuyhave/has hadgo tohave/has been inI have left Shanghai for 3 days. been away for 3 days. come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a soldier leave have/has been away I have borrowed the dictionary since 3 days ago . kept come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a soldier leave have/has been away borrow have/has kept The film has begun for 10 minutes. been on come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a soldier leave have/has been away borrow have/has kept begin have/has been on The concert has finished for half an hour. been over come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a soldier leave have/has been away borrow have/has kept begin have/has been on finish have/has been over His dog has died for two years . been dead come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a soldier leave have/has been away borrow have/has kept begin have/has been on finish have/has been over die have/has been dead havehave been tobeen to havehave gone togone tohave been inhave been in去过某地已经回来去过某地已经回来去过某地已经回来去过某地已经回来常与常与ever,never,ever,never,once,twice,once,twice,连用连用 一直留在某地一直留在某地一直留在某地一直留在某地与与for/sincefor/since连用连用用用howlonghowlong提问提问去了某地去了某地去了某地去了某地还没回来还没回来还没回来还没回来只用于第三人称只用于第三人称 Her sister _ Australia,She left this morning.has gone tohas gone to have/has have/has been tobeen to have/has have/has gone togone tohave/has have/has been inbeen in去过去过去过去过常与常与ever,never,ever,never,once,twice,once,twice,连用连用 在在在在与时间段连用与时间段连用用用howlonghowlong提问提问去了去了去了去了说话时某人不在说话时某人不在只用于第三人称只用于第三人称 A: How long _ you _ China? B: I _ here for 3 years. have been have been have been in have been in have/has have/has been tobeen to have/has have/has gone togone tohave/has have/has been inbeen in去过去过去过去过常与常与ever,never,ever,never,once,twice,once,twice,连用连用 在在在在与时间段连用与时间段连用用用howlonghowlong提问提问去了去了去了去了说话时某人不在说话时某人不在只用于第三人称只用于第三人称 A: _ you ever _ the city ? B: No , never .Have been to Have been to 与一般过去时的用法比较与一般过去时的用法比较与一般过去时的用法比较与一般过去时的用法比较 现在完成时和一般过去时都是说过现在完成时和一般过去时都是说过去的事情，去的事情，但现在完成时注意的不但现在完成时注意的不是事情本身是事情本身, ,而是强调事情与现在保而是强调事情与现在保持的某种密切联系（如现在的结果，持的某种密切联系（如现在的结果，影响影响, ,一直延续到现在等）一直延续到现在等）; ;而一般过而一般过去时，则只去时，则只讲述讲述发生在过去的动作发生在过去的动作和事情和事情与现在没有关系与现在没有关系。 上一页下一页主菜单 knowknow have known knew saw have lost did has finished see saw 用动词的适当形式填空1.-_ you _your pen? (mend) -Yes, I _. -When_ you _ it? -I _ it yesterday.2.-How do you like the film? -I _(not see) such a moving film before. 3.Millies sister _(join) the club last week. So she _(be) in the club for nearly one week. Have mended have did mend mended havent seen joined has beenExercises4.My father_(give) up _(smoke). He doesnt _(smoke) now.5.The Green family_(not come) back yet from the cinema. They_(go) to see a film one hour ago. has given smoking smoke havent come went 6.She has known Sam_ nine years. (for , never , since)7.They have_arrived. (ever , just , yet)8.Have you_ ridden a horse? (ever , for , yet)9.She has known Fred_ they were at primary school. (already , just , since)10.We have not completed the project_. (already , for , yet) for just ever since yet Write a passage about travel to use the present perfect tense.Homework