单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,语法：现在完成时,The Present Perfect Tense,语法：现在完成时The Present Perfect T,1,1.,现在完成时的构成,2.,一般疑问句及否定句结构,3.,现在完成时的用法,4.,时间状语,学习目标,The Present Perfect Tense,1.现在完成时的构成2.一般疑问句及否定句结构3.现在完成时,2,1.,现在完成时的构成：,结构：主语,+have/has+,过去分词,助动词：,have/has,（已经,.,）,过去分词：,1.,规则动词：,过去分词和过去时一样,2.,不规则动词：,过去分词需要记忆,1.现在完成时的构成：结构：主语+have/has+过去分词,3,2.,一般疑问句及否定句的变化：,结构：主语,+have/has+,过去分词,1),一般疑问句：,Have/Has +,主语,+,过去分词？,肯定回答：,Yes,主语,have/has.,否定回答：,No,主语,have/has not.,have not=havent has not=hasnt,2),否定句结构：,主语,+have/has not+,过去分词,2.一般疑问句及否定句的变化：结构：主语+have/has+,4,B.,表示从过去一直延续到现在,3.,现在完成时的用法：,past,present(now),A.,过去某一动作对现在的影响,Someone has broken the window.,I have played the guitar for 15 minutes.,B.表示从过去一直延续到现在3.现在完成时的用法：pastp,5,1.,表示,过去发生的动作或事情,对,现在的影响和产生的结果,。,它强调的是过去的动作同现在的联系。,I have lost my pen,(目前还没找到）,he has just had lunch,(,刚刚吃过，不想在吃,),.,现在,完成时（,The Present Perfect Tense,）的用法,2,；表示动作发生在过去，一直持续到现在，也许还要继续下去。,Alice has learnt English for 3 years.,Alice,已经学习英语 长达三年了。,1.表示过去发生的动作或事情对现在的影响和产生的结果。I h,6,4.现在完成时的,常与,already,never,ever,just,yet,before,up to now,so far,for the last few weeks,these days,since,for a long time,连用,上一页,下一页,主菜单,时间状语,4.现在完成时的常与already,7,注意：,already,用于肯定句，,yet,用于疑问句和否定句中。,yet,already,We have already finished our homework.,我们已完成家庭作业了。,They havent finished their homework yet.,他们还没有完成家庭作业。,Have you washed your clothes _?,No,I havent.But I have cleaned the room _.,A.ago;already B.yet;yet,C.before;yet D.yet;already,yet,already,注意：already 用于肯定句，yet 用于疑问句和否定句,8,(2),用,ever,和,never,。多用于否定或疑问句中,表示“曾经”或“从未”等。,Have you ever been to the Great Wall?,你曾经去过长城吗？,No,I have never been to the Great Wall.,不,我从未去过长城。,注意：,ever,曾经，用于疑问句中；,never,从不，带有否定意义。,(2)用ever和never。多用于否定或疑问句中,表示“,9,Have you _ visited Shanghai?,No,_.,A.ever;not B.never;not,C.ever;never D.never;ever,C:ever,和,never,多用于否定或疑问句中,表示“曾经”或“从未”,ever,never,C:ever和never多用于否定或疑问句中,表示“,10,时间点,+,一段时间,for,since,He has been a teacher since he left Shanghai.,从他离开上海时，他已经是老师了。,Alice has learnt English for 3 years.,Alice,已经学习英语 长达三年了。,1.Jill has been in,America,_ Monday.,2.Liming has been in,America,_three days.,练习,since for,填空,since,for,时间点+一段时间 for since H,11,现在完成时中需注意的地方：,注意,1,：,句子中有明显的过去时间标志时，不能用现在完成时,错误：,she has read the book,last night,.,正确：,she read the book,last night,.,I _ my watch in my bedroom yesterday.,A.left,B,.forgot,C.have forgottenD.have left,A,现在完成时中需注意的地方：注意1：句子中有明显的过去时间标志,12,have been to,与,have gone to,have been to,表示曾经去过某地，现在人已经回来。,Lily has been to Shanghai twice.(Lily,现在在家,),have gone to,表示去了某地，人还在某地没有回来。,Lily has gone to Shanghai.(Lily,现在人在上海。,),have been to 与 have gone toha,13,Could you go to the park with me this afternoon?,Sorry,I _ there.I went there yesterday.,A.have gone B.have been,C.went D.was,B,Miss Green isnt in the office.she_ to the library.,.has gone.went.will go.has been,A,Could you go to the park wit,14,