北京市窦店中学初中英语现在完成时课件

1、上一页,现在完成时,下一页,主菜单,现在完成时的构成,主菜单,上一页,下一页,have (has）+ 过去分词,现在完成时的主要用法,上一页,下一页,- Its so dark. -Someone has turned off the light. (有人刚把灯关了,对现在造成的结果是:现在很黑),- Are you free? -I have finished my homework. I am free (我已经完成了家庭作业,对现在造成的结果是很有空),主菜单,1.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,I have learnt English for more than ten years.我已经学了10多年的英语。 (从10年前开始,持续到现在还在学) She has swum since half an hour ago. 我已经游泳了半个小时 (半个小时前已经开始游泳,到现在还在游),现在完成时的主要用法,主菜单,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。

2、,现在完成时的主要用法,1.表示过去发生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,现在完成时的时间状语,常与already, never, ever, just, yet, before, up to now, so far, for the last few weeks these days, since for a long time 连用,上一页,下一页,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 to 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 yea

3、r. 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,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,主菜单,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 bought 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

4、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 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,动 词 填 空： 1._ you _(clean) the room? Yes, we _(do) that already. When _ you _(do) it? We _(do) it an hour ago.

5、 2._ he _(see) this film yet? Yes. When _ he _(see) it? He _ it last week. 3. How many times _you_(be) there?,Have,cleaned,have done,did,do,did,Has,seen,did,see,saw,have,been,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 read,has gone,did,go,went,h

6、ave developed,gave,has 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 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,下一页,上一页,主菜单,用Have been to, have gone to, have been in 填空,Mike and his parents _ the north for half a year. Mum is not at home now. she _ the shop

7、. _ you ever _ to kunming ? Never. Where _ you _ these days? Has Jim arrived yet? Yes, he _ here for several days. Where is Peter? I dont know where he _. Hi Jim! Where _ you _ ? Li Lei is looking for you.,have been in,has gone to,have been,Have been,has been,has gone,have been,下一页,上一页,主菜单,改 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 busi

8、ness. 5. He has gone out for two years.,studied,kept,been,gone,been,下一页,上一页,主菜单,The house is dirty. We _it for weeks. A didnt clean B hadnt cleaned C dont clean D havent cleaned 2. -_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 told 3. - Im sorry to keep you waiting.-Oh, not at all. I _here only a few minutes.A have been B had been C was D will be 4. You dont need to describe her. I _ her several times.A. had met B have met C me

9、t 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 planning,6. -When will they leave ?-They _very soon .A do leave B are leaving C have left D leave 7 -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 were 9. She _ such an interesting book before.A was never reading B will never read C had never read D has never read 10.How long do you think the meeting _ A is lasting B

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