八年级下册英语期末复习现在完成时课件（26PPT）

课件26张PPT。Present Perfect Tense现在完成时 Have you ever read Little Woman?I haven’t read it yet.But I have had the book for ten years. And I have kept it on my bookshelf(书架） since ten years ago. Have you ever read Little Woman?I haven’t read it yet.But I have had the book for ten years. And I have kept it on my bookshelf(书架） since ten years ago. 3.现在完成时的用法2.一般疑问句及否定句的结构1.现在完成时的构成4. 时间状语2.一般疑问句及否定句的结构3.现在完成时的用法1.现在完成时的构成4. 时间状语主语+havehas+动词过去分词助动词：talk -- like -- study -- stop -- havehas动词过去分词变化规则：talkedlikedstudiedstopped2.一般疑问句及否定句的结构3.现在完成时的用法1.现在完成时的构成4. 时间状语Have/Has + 主语 + 动词过去分词？疑问式：I have finished my homework.Have you finished your homework?A: Have you played computer games? B: Yes, I have . No, I haven’t. 2.一般疑问句及否定句的结构3.现在完成时的用法1.现在完成时的构成4. 时间状语Have/Has + 主语 + 动词过去分词否定式: 主语 + have/has + not + 动词过去分词. 疑问式：We have visited the museum. (改为一般疑问句) 2)They have seen the film. (改为否定句) 3)He has returned the book. (对划线部分提问) 4)Jenny has had her lunch for three days. (改为一般疑问句并做否定回答) Have you visited the museum?have not=haven’thas not=hasn’t2.一般疑问句及否定句的结构3.现在完成时的用法1.现在完成时的构成4. 时间状语Have/Has + 主语 + 动词过去分词否定式: 主语 + have/has + not + 动词过去分词. 疑问式：We have visited the museum. (改为一般疑问句) They have seen the film. (改为否定句) 3)He has returned the book. (对划线部分提问) 4)Jenny has had her lunch for three days. (改为一般疑问句并做否定回答) They haven’t seen the film.2.一般疑问句及否定句的结构3.现在完成时的用法1.现在完成时的构成4. 时间状语Have/Has + 主语 + 动词过去分词否定式: 主语 + have/has + not + 动词过去分词. 疑问式：We have visited the museum. (改为一般疑问句) 2) They have seen the film. (改为否定句) He has returned the book. (对划线部分提问) 4)Jenny has had her lunch for three days. (改为一般疑问句并做否定回答) What has he returned?2.一般疑问句及否定句的结构2.一般疑问句及否定句的结构3.现在完成时的用法1.现在完成时的构成4. 时间状语Have/Has + 主语 + 动词过去分词否定式: 主语 + have/has + not + 动词过去分词. 疑问式：We have visited the museum. (改为一般疑问句) 2)They have seen the film. (改为否定句) 3)He has returned the book. (对划线部分提问) 4)Jenny has had her bike for three years. (改为一般疑问句并做否定回答) Has Jenny had her bike for three years?No,she hasn’t.2.一般疑问句及否定句的结构3.现在完成时的用法1.现在完成时的构成4. 时间状语present(now)futurepastMum, I have already(已经) cleaned them.John, clean your teeth please.2.一般疑问句及否定句的结构3.现在完成时的用法1.现在完成时的构成4. 时间状语1)过去发生或已经完成的某一动作对现在造成的影响或结果。2)现在完成时表示从过去一直持续到现在的动作或状态。Someone has broken the door. (窗户现在是坏的) I have already lost the key. (我现在没有钥匙) I haven’t read that book yet . (不了解书的内容) I have just cleaned my hands. (手 ... ...