1、时态 （tense）,present perfect,现在完成时态,Lead-in,When did you start your English learning?,I. Formation（构成） I have studied English since 2008.主语 + have /has +动词过去分词（VPP）,否定,主+havent / hasnt+ VPP,疑问,Have/ Has +主+ VPP ?,肯定: Yes, 主语 + have/has. 否定：No, 主语 + havent/hasnt.,Translation.,我已完成了家庭作业。 I have finished
2、 my homework.,他已完成了家庭作业。 He has finished his homework.,havent,Has he,Yes,he has.,No ,he hasnt.,？,I. Formation（构成） 主语 + have /has +动词过去分词（VPP）,否定,主+havent / hasnt+ VPP,疑问,Have/ Has +主+ VPP ?,肯定: Yes, 主语 + have/has. 否定：No, 主语 + havent/hasnt.,II：Usage（用法）,1.继续 表示从过去持续到现在的动作或状态常与these days, recently, la
3、tely, in the past years,等连用；since + 过去的时间点，for + 一段时间。自从2008年以来我就在学习英语。 I have studied English since 2008. 我在玉潭当了两年的老师。 I have been a teacher in Yu Tan for 2 years.,for+时间段 VS since+时间点,for+时段 since+时间点（自从以来） since+时段+ago since+从句(从句中用一般过去时),He has lived in Beijing 2008. He has lived in Beijing 3 ye
4、ars.He has lived in Beijing 3 years ago.He has lived in Beijing he was born.,since,for,since,since,2.结果 表示过去发生或已经完成的动作对现在造成的影响或结果. “做了” I have just washed my hands. （对现在造成的结果是“手干净了”）She has just had her breakfast. (对现在的影响：不饿)他丢了他的英语书。He has lost his English book.(结果：没有英语书了),3. 经验 表示过去某时到现在的经验、经历常 和n
5、ever，ever，twice，before等连用。 I have been to the Great Wall twice. 我曾经去过长城两次。 这支笔我只用过三次。 I have used this pen only three times.,Someone (break) the window. I (read) this book three times. I (not see) him since last Friday night.,结果,经验,继续,has broken,have read,have not seen,Exercise:,用于现在完成时中的时间状语 1.表示包括
6、现在在内的一段时间的时间状语 until now, up to now, so far, recently, lately, in the past years 2. 表示频率的时间状语 never, ever, five times 3.表示不确定的过去时间状语 before，already, yet.,already VS yet,already 用于肯定句中,置于句中。 yet 用于疑问句和否定句,置于句末 。John has already finished that report. 约翰已经把报告写出来了。 John, have you finished that report ye
7、t? 约翰，你已经把报告写出来了吗？ John hasnt finished that report yet. 约翰还没有写完报告。,have been toVShave gone to,上一页,下一页,主菜单,她去过永兴两次。她去了永兴。她在永兴两个月了。,She Yongxing twice.,She Yongxing.,She Yongxing for 2 months.,has been to,has gone to,has been in,短暂性(瞬间性) 动词不能和for, since短语或 How long等连用。 但其否定形式可以。,I have received his le
8、tter for a month.,I havent received his letter for a month.,The teacher has left for half an hour.,The teacher has been away for half an hour .,(be away),常见短暂性动词和延续性动词的转变,arrive/come/go to die become a borrow leave/ move buy open join start/begin finish/ end get out close,be in,be dead,have,keep,be
9、away / be out,be a,be in/a member of,be open,be on,be over,be out,be closed,1.自从2001年以来, 中国人的饮食已经发生了很大的变化.,Great changes _ in Chinese diet since 2001,have taken place,2.汤姆已经结婚10年了. Tom _for ten years,has been married,Translation:,你累吗？你已跳了三个小时啦！,Are you tired？ You have been jumping for three hours.,她
10、肯定累了，因为她一天一直在跳舞,She must be tired, as she has been dancing all day.,The Present Perfect Continuous Tense (现在完成进行时),Form:,have/has + been + doing,Definition:常与all the time, all night, all the morning, recently, since, for等连用。,动作从过去开始一直延续 到现在,还有可能继续下去。,1.I have been waiting for an hour but he still ha
11、snt shown up. 我已经等了一个小时，但他还没有出现。 2. I am tired. I have been working all the morning. 我很累。 我干了一上午的活了。,3. I have been living here since 2000. 自2000年以来我一直住在这。 4. How long have you been working in this company? 你在这家公司上班多长时间了？,现在完成进行时可带有感情色彩。We have been looking forward to our summer vacation. 我们一直盼望着暑假。
12、,2. Too many good things have been happening today. 今天已经发生了太多的好事情。,1. Now that she is out of a job, Lucy _going back to school, but she hasnt decided yet.A. had considered B. has been considering C. consideredD. is going to consider,practice,2. Where have you been? We _ for you everywhere .A. look B
13、. were looking C. have been looking D. had been looked 3. I wonder why Jenny _ us recently. We should have heard from her by now.A. hasnt written B. doesnt writeC. wont write D. hadnt written,Comparison,have done,have been doing,动作已完成,动作从过去延续到现在,强调动作的 结果或影响,强调动作可能继续,1.The telephone _ (ring) for quite a while. Why_anyone_(answer) it?2.They _ (read) the article for three times, but they still _ (not remember) it.,has been ringing,have not remembered,has not answered,have read,妙手填词,1.Review the usage of present perfect tense. 2.Finish the exercise on P8.,Homework,.,
