江苏省盐城市大丰市万盈第二中学八年级英语下册_现在完成时课件_（新版）牛津版

Present perfect tensePresent perfect tense 现在完成时 构成构成: : 用法一：用法一： 表示过去发生的某一动作 对现在造成的影响或产生 的结果.现在完成时这一时 态强调是过去动作与现在 的联系,也就是强调现在的 影响和结果. have/has + 过去分词 Adverbs of timeAdverbs of time before, by now (so far), once, twice, just, recently yet(否/疑), already(肯), ever, never, all ones life , in /during the past /last 5 years, ExercisesExercises 1. I _(have) lunch already. . 2. _ the train_ (arrive), yet? 3.Tome _ never_ (be ) to China. 4. The twin _just _(see) my father. 5. The twins _(see) my father just now. 6. Many tallbuildings_(build) in the past 5 years. have had arrived hasbeen hasseen saw have been built Has 用法二： for+一段时间 since+时间点 since+句子（一般过去时） E.g. Kate has lived here for 3 years. Kate has lived here since 3 years ago. Kate has lived here since she came to China. 表示过去某个时间开始的动作 或存在的状态，一直持续到现 在并可能还将持续下去。动词 使用延续性动词。常与for或 since引导的时间连用 常见非延续性动词和延续性动词的转变常见非延续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 catch a cold get up get to know get out close wake up go to sleep become interested in be in be dead have keep be away / be out be a be in/a member of be open be on be over have a coldbe up knowbe out be closedbe awake be asleep/ sleep be interested in ExercisesExercises His grandfather has died. (for 2 years) The football match has begun.(since9:00a.m) The twins have joined the army. (since they are 18years old) My teacher has just left Nanjing. (for 3 days) His father has been dead for 2 years. The football match has been on since 9:00 a.m. The twins have been soldiers/ been in the army since they are 18years old. My teacher has been away from Nanjing for 3 days have/has have/has gone togone to have/has have/has been tobeen to have/has have/has been inbeen in have/has gone to:已经去了某地或人还在途中 ，人还没有返回； have/has been to:曾经去过某地，现在已经回 来了,后面可接表示“次数”的状语; have/has been in:表示某人“已在某地停留一段 时间，现仍在那里”，其后常带表示一段时间的 状语。 Exercises Exercises Tom 在哪儿？ 他去书店买书了。 我在北京待了5年了。 Jack 去过上海两次了 -Where is Tom? -He has gone to the bookshop to buy some books. I have been in Beijing for 5 years. Jack has been to Shanghai twice. Correcting 1. I have borrowed the book for 3 months. 2. My bother has joined the army since he was 18. 3. Jack and Tom have lived here since 5years. 4. The film has been on since I have come to the cinema. 5. When has Mr. Li caught a bad cold? have kept has been in/ been a member of the army since 5 years ago/ for 5 years came didcatch 6. Ten years have passed since they got married. 7. Jim has gone to Bei