现在完成时和现在完成进行时的区别.ppt
Grammar and usagePresent perfect tense & present perfect continuous tense The monitor has changed his seat, so I cant find him. I have found him with your help. I feel very happy.Form: Have/ has + donePresent perfect tenseMrs. Fang has changed the color of her nails (指甲指甲). 1. To talk about things that happened in the recent past but are connected with the present. 总结：表示过去的动作对现在的影响总结：表示过去的动作对现在的影响分析：过去的动作：分析：过去的动作：got a new pair of glasses 对现在的影响：对现在的影响： see more clearly. Usage 1 常跟常跟already, yet等连用等连用 Mrs. Fang has got a new pair of glasses. She can see more clearly now. Watch and think Usage 2 I have been to Paris twice. 2. To talk about unfinished repeated actions in a lifetime. 总结：表示反复的动作，经验总结：表示反复的动作，经验常常与与频度副词频度副词always, often, seldom, never等连用等连用I havent seen Justin since last Friday night. The police have just finished searching the area. A. We havent seen Justin since last Friday night. B. The police have just finished searching the area. 3. To talk about something that started in the past and is still happening now or was completed a short time ago. 总结：总结：过去发生的动作持续到现在过去发生的动作持续到现在。分析：分析： 动作发生在过去动作发生在过去 A 仍在发生仍在发生 B 刚刚结束刚刚结束Usage 3 常与包括现在在内的时间状语连用，如：常与包括现在在内的时间状语连用，如：today, now, this week, this morning, these days, this afternoon, recently, so far等；也同等；也同“for+时间段时间段”或或 “since时间点时间点”的状语连用的状语连用Summary 1. 表示过去的动作对现在的影响表示过去的动作对现在的影响 2. 过去发生的动作持续到现在，过去发生的动作持续到现在，可能刚刚结束，可能仍在发生可能刚刚结束，可能仍在发生 3. 表示反复的动作表示反复的动作,经验经验Present perfectPresent perfect continuous The boy started having dinner five minutes ago. He is still having dinner now. The boy _ (have) dinner since five minutes ago. has been havingForm: Have/ has + been +doingThe man started working in the field half an hour ago. He is still working now.The man _ (work) in the field for half an hour. has been working pastfuturenowdid dohave been doing do1.translation: 不累啊？你已跳了一个小时啦！不累啊？你已跳了一个小时啦！Arent you tired？ You have been jumping for an hour.SummaryPresent perfect continuous 1. 过去发生的动作一直持过去发生的动作一直持续到现在，可能刚结束，续到现在，可能刚结束，可能仍然持续可能仍然持续2. 强调动作的持续性和反复性强调动作的持续性和反复性 pastfuturenowdid dohave been waiting1. Kelly: Sorry, Im late. Have you been waiting long? Mavis: Yes. I_ for an hour. have been waiting强调持续性和反复性强调持续性和反复性Practice oneMr. Wolf-Mr. Wolf, what have you been busy with these days?-I _ (try)to catch goats, but _never _ (catch) a single one so far.I will be back soon!have been trying have caught Its _ a long day without you my friend. And Ill tell you all about it when I see you again. Weve _ a long way from where we began. Oh Ill tell you all about it when I see you again. beencomeThank you for all ! My fans!Your support has_been encouraging meI _ (hide) all my hopes and dreams away 我一直把所有的希望和梦想都我一直把所有的希望和梦想都藏起来藏起来Just in case I ever need them again someday 只为了有一天可能又需要他们只为了有一天可能又需要他们I _(set aside) time 我总是留些时间我总是留些时间To clear a little space in the corners of my mind 来净化心灵的小角落来净化心灵的小角落have been hidinghave been setting asideShe has been paintingthe ceiling.She She has paintedhas paintedthe ceiling.the ceiling.paint ceilingpresent perfectpresent perfect continuous他们已经结婚他们已经结婚10年了年了. They have got married for ten years.Right or Wrongbeen瞬间动词不与表示一瞬间动词不与表示一段时间的时间状语连段时间的时间状语连用用Task:Watch a short video and try to write some sentences.Requirements: 1. Write according to the hints. 2. Use as many present perfect and present perfect continuous tenses as possible.Practice twoHints（提示）（提示）1. 平江二中已经有近平江二中已经有近70年的历史，经历了各年的历史，经历了各种变迁。种变迁。2. 目前，平江二中已发展成为一个具有目前，平江二中已发展成为一个具有3400多名学生的中学。多名学生的中学。3. 我近半个学期来在平江二中的生活我近半个学期来在平江二中的生活 If we grasp the present, life will tend to be perfect. And if we perform like “the present perfect continuous” on the way to success, we will turn the mysteries into great achievements!
