1、现在完成时现现 在在 完完 成成 时时1、基本结构、基本结构2、时间状语、时间状语3、for/since基本结构1、主语主语+have/has+done:肯肯主语主语+have/has not+done:否否 Have/Has+主主+done.?:疑疑 Yes,.No,.基本结构1、2、主语主语+have/has+done:肯肯主语主语+have/has not+done:否否 Have/Has+主主+done.?:疑疑 Yes,.No,.have/has been to:have/has gone to:have/has been in:基本结构1、2、主语主语+have/has+done:
2、肯肯主语主语+have/has not+done:否否 Have/Has+主主+done.?:疑疑 Yes,.No,.have/has been to:去过某地(现在在这)去过某地(现在在这)have/has gone to:去了某地(现在不在这)去了某地(现在不在这)have/has been in:现在在某地现在在某地时间状语1、already,yet,not.yet,just,recently,lately等,用于:表示过去发生的某一动作等,用于:表示过去发生的某一动作对现在造成的影响或结果。对现在造成的影响或结果。时间状语1、already,yet,not.yet,just,recen
3、tly,lately等,用于:表示过去发生的某一动作等,用于:表示过去发生的某一动作对现在造成的影响或结果。对现在造成的影响或结果。eg:We have already know each other.时间状语1、already,yet,not.yet,just,recently,lately等,用于:表示过去发生的某一动作等,用于:表示过去发生的某一动作对现在造成的影响或结果。对现在造成的影响或结果。eg:We have already know each other.注注:already:yet:just:just now:时间状语1、already,yet,not.yet,just,re
4、cently,lately等,用于:表示过去发生的某一动作等,用于:表示过去发生的某一动作对现在造成的影响或结果。对现在造成的影响或结果。eg:We have already know each other.注注:already:用于肯用于肯yet:用于否,疑用于否,疑just:现完现完just now:过过时间状语2、never,ever,once,twice,three times.,before等,用于:表示说话等,用于:表示说话之前发生过的动作,这种动作可能发之前发生过的动作,这种动作可能发生过一次,也可能发生过多次。生过一次,也可能发生过多次。时间状语2、never,ever,onc
5、e,twice,three times.,before等,用于:表示说话等,用于:表示说话之前发生过的动作,这种动作可能发之前发生过的动作,这种动作可能发生过一次,也可能发生过多次。生过一次,也可能发生过多次。eg:I have never been to Tibet.时间状语2、never,ever,once,twice,three times.,before等,用于:表示说话等,用于:表示说话之前发生过的动作,这种动作可能发之前发生过的动作,这种动作可能发生过一次,也可能发生过多次。生过一次,也可能发生过多次。eg:I have never been to Tibet.She has ma
6、de the same mistakes many times.时间状语2、never,ever,once,twice,three times.,before等,用于:表示说话等,用于:表示说话之前发生过的动作,这种动作可能发之前发生过的动作,这种动作可能发生过一次,也可能发生过多次。生过一次,也可能发生过多次。eg:I have never been to Tibet.She has made the same mistakes many times.提问词how many times 例:例:Look!Somebody_the sofa.Well,it wasnt me.I didnt d
7、o it.A.is cleaning B.was cleaning C.has cleaned D.had cleaned时间状语 例:例:Look!Somebody_the sofa.Well,it wasnt me.I didnt do it.A.is cleaning B.was cleaning C.has cleaned D.had cleaned3.其他常用于现在完成时的时间状语:其他常用于现在完成时的时间状语:so far,in the past/last few years,by the time+现在时态现在时态 It/This is the first/second.tim
8、e+现在完成时现在完成时 eg:I havent completed my task so far,This is the second time I have been here时间状语 for/since for/since用于:表示动作发生在过去,持续到现用于:表示动作发生在过去,持续到现在,也可能继续持续下去在,也可能继续持续下去 for/since for/since用于:表示动作发生在过去,持续到现用于:表示动作发生在过去,持续到现在,也可能继续持续下去在,也可能继续持续下去 since+1、时间点:、时间点:two years ago,in 2008 2、It is/has be
9、en+一段时间一段时间+since(过去式)从句过去式)从句 for/since for/since用于:表示动作发生在过去,持续到现用于:表示动作发生在过去,持续到现在,也可能继续持续下去在,也可能继续持续下去 since+1、时间点:、时间点:two years ago,in 2008 2、It is/has been+一段时间一段时间+since(过去式)从句过去式)从句 for+时间段时间段:two years,twelve months for/since for/since用于:表示动作发生在过去,持续到现用于:表示动作发生在过去,持续到现在,也可能继续持续下去在,也可能继续持续下
10、去 since+1、时间点:、时间点:two years ago,in 2008 2、It is/has been+一段时间一段时间+since(过去式)从句过去式)从句 for+提问词 时间段时间段:two years,twelve months for/since for/since用于:表示动作发生在过去,持续到现用于:表示动作发生在过去,持续到现在,也可能继续持续下去在,也可能继续持续下去 since+1、时间点:、时间点:two years ago,in 2008 2、It is/has been+一段时间一段时间+since(过去式)从句过去式)从句 for+提问词how long
11、 时间段时间段:two years,twelve months for/since for/since用于:表示动作发生在过去,持续到现用于:表示动作发生在过去,持续到现在,也可能继续持续下去在,也可能继续持续下去 since+1、时间点:、时间点:two years ago,in 2008 2、It is/has been+一段时间一段时间+since(过去式)从句过去式)从句 for+提问词how long 时间段时间段:two years,twelve monthseg:My grandmother has been ill since two days ago Its a long t
12、ime since I met you last time We have studied English for more than six years 例:例:How long_Professor White_the book?For about 10 days.A.was;keeping B.has;borrowed C.has;kept D.did;borrow.for/since 例:例:How long_Professor White_the book?For about 10 days.A.was;keeping B.has;borrowed C.has;kept D.did;b
13、orrow.for/since 例:例:How long_Professor White_the book?For about 10 days.A.was;keeping B.has;borrowed C.has;kept D.did;borrow.注:非延续性动词和延续性动词的区别及常用动词转换注:非延续性动词和延续性动词的区别及常用动词转换 for/since 例:例:How long_Professor White_the book?For about 10 days.A.was;keeping B.has;borrowed C.has;kept D.did;borrow.注:非延续性动
14、词和延续性动词的区别及常用动词转换注:非延续性动词和延续性动词的区别及常用动词转换 for/sincebuy borrow leave finish start/begin die join 例:例:How long_Professor White_the book?For about 10 days.A.was;keeping B.has;borrowed C.has;kept D.did;borrow.注:非延续性动词和延续性动词的区别及常用动词转换注:非延续性动词和延续性动词的区别及常用动词转换 for/sincebuy had borrow kept leave be away fin
15、ish be over start/begin be on die be dead join be in I have had that car for 10 years.()判断正误:判断正误:I havent bought anything for 10 years.()I have had that car for 10 years.()判断正误:判断正误:I havent bought anything for 10 years.()I have had that car for 10 years.()判断正误:判断正误:I havent bought anything for 10
16、years.()注:注:如果现在完成时的谓语动词是非延续性动词的肯定式如果现在完成时的谓语动词是非延续性动词的肯定式或疑问式,不能与表示一段时间的或疑问式,不能与表示一段时间的for和和since连用。若连用。若需连用,需要转换成相应的延续性动词。但是,若是否需连用,需要转换成相应的延续性动词。但是,若是否定式,则可以与定式,则可以与for和和since连用。连用。(1)Do you know Songhua Lake at all?No,this is the first time I_here.A.was B.have been C.came D.am coming (2)With the
17、 help of high technology,more and more new substances_in the past years.A.discovered B.have discovered C.had been discovered D.has been discovered Exercise(3)When I first met Bob,I didnt like him,but I _my mind A.changed B.would change C.have changed D.had changed (1)Do you know Songhua Lake at all?
18、No,this is the first time I_here.A.was B.have been C.came D.am coming (2)With the help of high technology,more and more new substances_in the past years.A.discovered B.have discovered C.had been discovered D.have been discovered Exercise(3)When I first met Bob,I didnt like him,but I _my mind A.changed B.would change C.have changed D.had changed Homework:1.背诵及复习笔记背诵及复习笔记 2.教材全解教材全解P75专项练习专项练习 Thank you!