The Present PerfectTense现在完成时（课件）-2023-2024学年外研版英语八年级下册

现在完成时 The Present PerfectTense 结构： 肯定形式： 否定形式： 一般疑问句： 肯定回答： 否定回答： have/has（助动词）+done(动词的过去分词） 主语+have/has not+done Have/Has+主语+done+其他？ Yes,主语+have/has. No,主语+haven't/hasn't. 主语+have/has+done 特殊疑问词+have/has+主语+done其他？ eg: finish finished finished 我已经完成了我的家庭作业。 I have finished my homework. I haven't finished my homework. 特殊疑问句： 造句 否定 Have you finished your homework? Yes, I have./No, I haven't. She ________ finished her homework. has Has she finished her homework? Yes,she has./No,she hasn't. 一般疑问句 回答 一般疑问句 回答 意义： 1.过去已经发生的动作对现在的影响 eg: I have read this book. eg: Have you found him yet? 2.过去的动作持续到现在且有可能持续下去 eg: I haven't seen her these days. eg: She has lived here for three years. eg: She has taught me for ten years. yet 标志词 eg: I have already got the main point. eg:Have you finished your homework yet? eg: He has just taught us for one year. eg: Has she ever fed (feed) the pet? eg:Have you been to Guangzhou before? 请找出每句话中的现完标志词 already yet so far in the past/ last few years recently before just, ever, never 肯 句中/句尾 已经 已经；还 否/疑 句尾 迄今为止 在过去的几年里 最近 之前 辨析 in the past 和 in the past few years in the past ---- in the past 3 years --- 一过 现完 eg.Tianjin ________ (be) an old city in the past. eg. In the past few years, Tianjin ___________ (change) a lot. was has changed 改错 1. He has yet left his office. 2. Mary hasn't got home already. 3. Have you ever go abroad by yourself? 4. He has taken part in a party yesterday. 5. I already mended my watch. already yet gone took have 现完 vs 一现 现完：动作发生在过去，强调对现在产生的影响和结果 一过：只表示过去的动作和状态，和现在没有关系 already, yet, just, so far, before, etc. yesterday, last night, just now, ... ago, in+过去年份 标志词： 标志词： 区别：have been to/ have gone to/have been in have been to 去过某地（已回） 【后可加次数】 have gone to 去了某地（未回） have been in 呆在某地多久 + 一段时间 -Where is Jim? -He _____________ the library. I _______________ Beijing twice. My parents ____________ Shanghai for two years. has gone to have been to have been in 区别：for，since eg: I have learned English for seven years. eg: We have found the secrety for many years. eg: I haven't seen you for a long time! eg:She has lived here for three years. for+一段时间 since 自从 eg: She has lived here since 2007. eg: He has got the news since last night. eg: The city has improved a lot since I came here a few years ago.(从句） since+时间点/时间段 ago/从句 eg:We have known each other since two days ago. He has died. He has died for 3 weeks. He has been dead for 3 weeks. √ × √ 瞬间动词不可与时间段连用，需改为 延续性动词 用_____________进行提问 how long 判断正误 瞬间动词 vs 延续性动词 瞬间动词 延续性动词 arrive/reach leave die begin/start borrow buy finish/end be (in/on/at sp.) be away be dead be on keep have be over 瞬间动词 延续性动词 get into trouble open close join fall asleep catch a cold fall ill wake up be in trouble be open be closed be in/ be a member of be asleep have a cold be ill be awake ––Hi, Kate, where have you ________? ––The bank. A.gone B.been to C.been D.gone to Great changes ________ in my hometown. A.have taken place B.take place C.have happened D.happened —Have you ________ been to Qingdao? —Yes, I have. And I hope I can go there again. A.always B.ever C.never D.sometimes 1.We _____ ______(know)each other for many years. have known 2.His story ____ ______ (encourage)many people since 2022. has encouraged 总结: 1.现在完成时结构 肯定：主语+ have/has +done 否定：主语+ have/has not+done 一般疑问：Have/Has+主语+done+时间状语？ 特殊疑问句：特殊疑问词+have/has+主语+done？ 2.区别：have/has been to 和have/has gone to 区别：for和since 3.连用副词：just,already,ever,never,yet,before $$