上一页下一页主菜单Tom is looking for his key to his bike.He cant find it .He has lost his key to his bike.现在完成时现在完成时一一.构成构成: have/ has + done (过去分词过去分词)过去分词过去分词(pp)其变化方法和动词过去式基本相同。其变化方法和动词过去式基本相同。有部分不同，需要记好。有部分不同，需要记好。He has lived in Shenzhen for 4 years. Has he lived in Shenzhen for 4 years? Yes,he has. / No, he hasnt .现在完成时的主要用法现在完成时的主要用法上一页下一页-Itssodark.-Someonehasturnedoffthelight.(有人刚把灯关了有人刚把灯关了,对现在造成的结果是对现在造成的结果是:现在很黑现在很黑)-Areyoufree?-Ihavefinishedmyhomework.Iamfree(我已经完成了家庭作业我已经完成了家庭作业,对现在造成的结果是很有空对现在造成的结果是很有空)主菜单1. 1.表示过去发生的某一动作对现在造成的影响或结果。表示过去发生的某一动作对现在造成的影响或结果。 上一页下一页现在完成时的主要用法现在完成时的主要用法主菜单2.2.表示表示过去过去已经开始已经开始, , 持续到持续到现在的动作或状现在的动作或状态态. .常与常与since + since + 过去的时间点，过去的时间点，for + for + 一段时一段时间，间，so far so far 等时间状语连用。等时间状语连用。现在完成时的现在完成时的时间状语时间状语 常与常与already,never, ever,just,yet,before, uptonow,sofar=untilnow in/duringthelast/pastfewweeksthesedays,(11)since+时间点时间点,( 12 ）for+时间段时间段 （ 13）（）（）（）（）already: 常用于肯定句中常用于肯定句中. yet: 常用于否定句常用于否定句,疑问句尾疑问句尾. 连用连用上一页下一页主菜单A: _ your brother _ a new watch? (buy )B: Not yet.Key Key wordswordsHas bought yet A: _ you ever _ to the park? ( be )B: Yes, I went there last summer. Key Key wordswordsHave been yet ever I _ never _ of anything like that. (hear )Key Key wordswordshave heard yet ever never Tom _ in the factory since he left school ten years ago. (work )Key Key wordswordshas worked yet ever never since A: How long _ you _ in this school? (teach )B: For 6 years. Key Key wordswordshave taught yet ever never since for I _ just _ the desk, you can take it to your classroom . (mend )Key Key wordswordshave mended yet ever never since for just _ you _ the Forbidden City (紫禁城) before ? (visit ) Key Key wordswordsHave visited yet ever never since for just before He _ already _ a job. (find) Key Key wordswords has found yet ever never since for just before already We _ only _ the first five questions so far. (discuss ) Key Key wordswords have discussed yet ever never since for just before already so far They _over 24,000 fruit trees up to now . (plant )Key Key wordswords have planted yet ever never since for just before already so far up to now Great changes _ in Beijing in the past 10 years. (take place )Key Key wordswords have taken place yet ever never since for just before already so far up to now in the past 10 years He _ a lot of good things in his life. (do )Key Key wordswords has done yet ever never since for just before already so far up to now in the past 10 years in his life I _ her lately. ( not see )Key Key wordswords havent seen yet ever never since for just before already so far up to now in the past 10 years in his life lately I _ him recently. (not hear from ) Key Key wordswords havent heard from yet ever never since for just before already so far up to now in the past 10 years in his life lately recently He _ in this city ever since then. (live )Key Key wordswords has lived yet ever never since for just before already so far up to now in the past 10 years in his life lately recently ever since then He _ in this high school till now. (teach )Key Key wordswords has taught yet ever never since for just before already so far up to now in the past 10 years in his life lately recently ever since then till nowsince:(自自以来以来)1)since+时间点时间点Hehasstayedheresince5oclock.2)since+时间段时间段+agoHehasstayedheresince5hoursago.3)since+从句从句ShehastaughtEnglishsincehecamehere. for:(长达）达）for+时间段时间段Hehaskeptthebookfor2weeks.since,for的用法的用法: Takenotes 瞬间动词和延续性动词瞬间动词和延续性动词若句中出现若句中出现时间段时间段，则必须使用，则必须使用延续性延续性动词动词。瞬间动词和延续性动词转换关系如下。瞬间动词和延续性动词转换关系如下begin/startbe ongo therebe thereleavebe awayget homebe homediebe deadopenbe openjoinbe in / be a member ofclosebe closedget to knowknowfinishbe overgetmarried/ marrybe marriedborrowkeepcome herebe herebuyhave 但在否定句中，短暂性动词可以但在否定句中，短暂性动词可以与时间段连用。与时间段连用。如：如：She hasnt come here for an hour. She hasnt come here for an hour. 她来这儿还没有一个小时。她来这儿还没有一个小时。上一页下一页主菜单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 got to Paris for one week .been income tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been inMy brother has joined the army for five years. been inbeen a member ofcome tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a member of I have left Shanghai for 3 days. been away from. come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a member ofleave 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 member ofleave 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 member ofleave 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 member ofleave 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 member of leave have/has been away borrow have/has kept begin have/has been on finish have/has been over die have/has been dead She has married for six years . been married come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a member ofleave have/has been away borrow have/has kept begin have/has been on finish have/has been over die have/has been dead marry have/has been married method 2: It is + 时间段 since +一般过去时的句子.时间+ has passed since +一般过去时的句子1.他的爷爷已经去世2年了。 2. Nick 参军3年了.3. 他离开深圳好长时间了。4. 这本书我已借了4个月了. It is 2 years since his grandpa died. It is 3 years since Nick joined the army. It is a long time since he left Shenzhen. It is 4 months since I borrowed the book . have/hashave/hasbeentobeentohave/hashave/hasgonetogoneto have/hashave/hasbeeninbeenin去过某地已返回去过某地已返回去过某地已返回去过某地已返回常与常与ever, never,ever, never,once,twice,once,twice,连用连用 在某地呆在某地呆在某地呆在某地呆与时间段连用与时间段连用用用how long how long 提问提问去了某地还未返回去了某地还未返回去了某地还未返回去了某地还未返回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Her sister _ Australia,She left this morning.has gone tohas gone to have/hashave/hasbeentobeentohave/hashave/hasgonetogoneto have/hashave/hasbeeninbeenin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how long how long 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: Where is Bob ?B: He _ Japan with his sister. has gone tohas gone to have/hashave/hasbeentobeentohave/hashave/hasgonetogoneto have/hashave/hasbeeninbeenin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how long how long 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: I havent seen you for a long time. Where _ you _? B: I _ the United States. have been tohave been to have been have been have/hashave/hasbeentobeentohave/hashave/hasgonetogoneto have/hashave/hasbeeninbeenin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how long how long 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/hashave/hasbeentobeentohave/hashave/hasgonetogoneto have/hashave/hasbeeninbeenin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how long how long 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 have/hashave/hasbeentobeentohave/hashave/hasgonetogoneto have/hashave/hasbeeninbeenin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how long how long 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 We _ Germany many times in the past 3 years. 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一一. .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，而是强调事情与现在是事情本身，而是强调事情与现在保持的某种密切联系（如现在的结保持的某种密切联系（如现在的结果，影响果，影响, ,一直延续到现在等）一直延续到现在等）; ;而一而一般过去时，则只般过去时，则只讲述讲述发生在过去的发生在过去的动作和事情动作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 know know have known knew saw have lost have did move lived 上一页主菜单动动 词词 填填 空：空： 1._you_(clean)theroom?Yes,we_(do)thatalready.When_you_(do)it?We_(do)itanhourago.2._he_(see)thisfilmyet?Yes.When_he_(see)it?He_itlastweek.3.Howmanytimes_you_(be)there?Havecleanedhave donediddodidHasseendidseesawhavebeen下一页上一页主菜单4. I _ (read) the novel twice. Its interesting.5. She _(go) to Pairs, hasnt she? Yes. How _ she _(go) there? She _(go) there by air.6. So far, many countries _(develop) their software programs.7.Mr Chen _(give)up smoking last year.8.Mr Chen _(give) up smoking since last year.have readhas gonedidgowenthave developedgavehas given下一页上一页主菜单用用Have been to, have gone to, have been in 填空填空1.Mikeandhisparents_thenorthforhalfayear.2.Mumisnotathomenow.she_theshop.3._youever_tokunming?Never.4.Where_you_thesedays?5.HasJimarrivedyet?Yes,he_hereforseveraldays.6.WhereisPeter?Idontknowwherehe_.7.HiJim!Where_you_?LiLeiislookingforyou.havebeeninhasgonetohavebeenHavebeenhasbeenhasgonehavebeen下一页上一页主菜单改改 错错1. How long have you begun to study English?2. I have borrowed this book for two weeks.3. The river has become very dirty since last August.4. Our manager is away today. He has been to Guangzhou on business.5. He has gone out for two years.studiedkeptbeengonebeen下一页上一页主菜单1.Thehouseisdirty.We_itforweeks.2.AdidntcleanBhadntcleanedCdontcleanDhaventcleaned3.2.-_thesportsmeetingmightbeputoff.-Yes,italldependsontheweather.AIvebeentoldBIvetoldCImtoldDItold4.3.-Imsorrytokeepyouwaiting.-Oh,notatall.I_hereonlyafewminutes.AhavebeenBhadbeenCwasDwillbe5.4.Youdontneedtodescribeher.I_herseveraltimes.A.hadmetBhavemetCmetDmeet5.-WillyougotoBeijingforvacation?-I_togo,butIdontknowifIcango.AwasplanningBhaveplannedChadbeenplanningDhavebeenplanning6.-Whenwilltheyleave?-They_verysoon.AdoleaveBareleavingChaveleftDleave7-Washestudyingforanexam?-Yes,hes_itlastweek.AdoingBtotakeCmakingDtogive8.Theteachertoldthepupilsthattheearth_round.AisBwouldCwasDwere9.She_suchaninterestingbookbefore.AwasneverreadingBwillneverreadChadneverreadDhasneverread10.Howlongdoyouthinkthemeeting_AislastingBislastedCwilllastDlasts