1、 现在完成时的构成现在完成时的构成have(has）+doneHave/has been doneMother:John,clean your teeth please.John:Mum,I have already(已经)cleaned them.现在完成时的主要用法1.过去发生或完成的某一动作对现在造成的影响或结果。2.表示过去已经开始,持续到现在的动作或状态。常与since+过去的时间点，for+一段时间，so far 等时间状语连用.用how long 提问。1.for+Eg.I have been here for 5 weeks.Hes studied English for 3
2、years.一段时间2.since+从句(一般过去时)单词词组(表示过去某一时间的)时间点Eg.I have been here since 2000.I have been here since 5 years ago.I have been here since I graduated in 2000.现在完成时的时间状语常与alreadynever,ever just,yet （否 疑问）before,up to now,so far（9）since/for （10）recently lately上一页下一页主菜单在现在完成时中，短暂动词若与for since延续状语连用leave-co
3、me/go(to)-arrive(at/in)-get(to)-reach-buy-borrow-finish-join-start/begin-die-close-open-return-marry-become-be away(from)be(in/at)be(in/at)be(in/at)be(in/at)havekeepbe overbe in/be a/anbe onbe deadbe closedbe openbe backbe marriedbe 翻 译 练 习：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 fiv
4、e years.I have had this watch for five years/since 5 years ago.The old man has died for ten years.The old man has been dead for ten years/since 10 years ago.WW下一页上一页主菜单3.他已经回来三天了。4.自从六点钟他就来这儿了。5.我离开家乡已十年了。He has come back for 3 days.He has been back for 3 days/since 3 days ago.He has come here since
5、 6 oclock.He has been here since 6 oclock.I have left hometown for 10 years.I have been away from hometown for 10 years.WWW下一页上一页主菜单have been 与have gone 的用法比较have been to 意思是“到过，去过”，表示曾经到过某处，但现在人不在那儿。have gone to意思是“去了”，表示已经去了某地，现在人可能在去的途中或已在那儿了。have been in意思是“呆在某处一段时间了”上一页下一页主菜单Has she ever been t
6、o Nanjing?她曾去过南京吗？You have never been there,have you?你以前从未去过那儿，是吗？I have been to Guiling,I went there last year.我去过桂林，我去年去的。She has gone to Nanjing.她已经去南京了。上一页下一页主菜单与一般过去时的用法比较与一般过去时的用法比较一.现在完成时和一般过去时都是说过去的事情，但现在完成时注意的不是事情本身，而是强调事情与现在保持的某种密切联系（如现在的结果，影响,一直延续到现在等）;而一般过去时，则只讲述发生在过去的动作和事情与现在没有关系。上一页下一页
7、主菜单四)It is+一段时间 +since+句子(一般过去时)=一段时间+has passed +since+句子(一般过去时)Eg.It is five years since I joined the army.=Five years has passed since I joined the army.eg：He has bought an English-Chinese dictionary.他已经买了一本英汉字典。He bought an English-Chinese dictionary.他曾买过一本英汉字典。上一页下一页 第一句用现在完成时时态，想表达意为：“He bough
8、t an English-Chinese dictionary.And he still has it”“过去他买了一本英汉字典，现在他还有这本字典”。第二句用过去时只叙述过去他买过一本英汉字典这一事实，至于现在他是否有这本字典并未强调说明。主菜单二当有一个表示过去某一特定时间的状语时，不用现在完成时，而用一般过去时:上一页下一页eg:I saw the film on television yesterday.但since(自以来)+某一过去时间或叙述过去事情的从句总是与现在完成时连用。eg：They have known each other since 1950.Since he was
9、 a child,he has lived in England.主菜单三常与一般过去时连用的典型的表示过去时间的状语:上一页下一页yesterday(昨天),the day before yesterday(前天),just now(刚才)，时间+ago,last+时间 等;eg:The plane took off ten minutes ago.We finished our task last week.主菜单上一页主菜单动 词 填 空：1._ you _(clean)the room?Yes,we _(do)that already.When _ you _(do)it?We _(d
10、o)it an hour ago.2._ he _(see)this film yet?Yes.When _ he _(see)it?He _ it last week.3.How many times _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.
11、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选用 for和 since填空:1.We havent seen each other _ a long time.2.His father has been in the Party _ 10 ye
12、ars 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.forsinceforsinceforsince下一页上一页主菜单用Have been to,have gone to,have been in 填空1.Mike and his parents _ the north for half a yea
13、r.2.Mum is not at home now.she _ the shop.3._ you ever _ to kunming?Never.4.Where _ you _ these days?5.Has Jim arrived yet?Yes,he _ here for several days.6.Where is Peter?I dont know where he _.7.Hi Jim!Where _ you _?Li Lei is looking for you.have been inhas gone tohave beenHave beenhas been has gon
14、ehave been下一页上一页主菜单改错1.How long have you begun to studyEnglish?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 beento Guangzhou on business.5.He has gone out for two years.studiedkeptbeengonebeen下一页上一页主菜单1.The house is
15、dirty.We _it for weeks.A didnt clean B hadnt cleaned C dont clean D havent cleaned2.-_the sports meeting might be put off.-Yes,it all depends on the weather.A Ive been told B Ive told C Im told D I told3.-Im sorry to keep you waiting.-Oh,not at all.I _here only a few minutes.A have been B had been C
16、 was D will be4.You dont need to describe her.I _ her several times.A.had met B have met C met D meet 5.-Will you go to Beijing for vacation?-I _ to go,but I dont know if I can go.A was planning B have planned C had been planning D have been planning6.-When will they leave?-They _very soon.A do leav
17、e B are leaving C have left D leave7-Was he studying for an exam?-Yes,hes _ it last week.A doing B to take C making D to give8.The teacher told the pupils that the earth _ round.A is B would C was D were9.She _ such an interesting book before.A was never reading B will never read C had never read D
18、has never read 10.How long do you think the meeting _ A is lasting B is lasted C will last D lasts、翻译下列句子：1.你曾经吃过鱼和薯条吗？2.我刚刚丢了我的语文书。3.我以前从来没去过那个公园。4.他已经吃过午饭了。5.你已经看过这部电影了吗？6.我哥哥还没回来。7.我自从上星期看过这部电影。8.自从1992年他住在这里。9.这本字典我已买了三年了。10.他离开中国三年了1.Have you eatten fish and french frise?2.I have lost my Chinese book.3 I have never been to that park.4.He has already had lunch.5 Have you seen this movie yet?6 My brother has not returned.7 I have seen this movie since last week.8 He has lived here since 1992.9 I have had this dictionary for three years.10 He has been away China for three years.
