现在过去完成时态.ppt

现 在 完 成 时 态 过 去 完 成 时 态,现在完成时态,1. 现在完成时表示的是已经完成的动作， 但动作造成的影响还在， 常被 just, already, yet 等副词修饰, 谓语常用： have / has + 动词的过去分词 （done）。 如：He has already gone to Tianjin. (他已经去天津了。) 对现在造成的影响是他已经不在这儿了。,你知道动词的过去分词是怎样构成的吗?,一般在动词原形末尾加 ed look play start 2.结尾是 e 的动词加 d live hope use 3.末尾只有一个辅音字母的重读闭音节词,先双写这个 辅音字母, 再加 ed stop plan trip 4. 末尾是 辅音字母+ y study carry worry,ed,ed,ed,d,d,d,ped,ned,ped,studied,carried,worried,别忘了还有一些不规则的:,am / is - - beat - - cut - - draw - - eat - - give - - go - - keep - - lay - - lie - - speak - - fight - - wear - -,was / were been,beat beaten,lay lain,spoke spoken,fought fought,wore worn,went gone,kept kept,laid laid,drew drawn,ate eaten,gave given,cut cut,我刚刚看过这部电影。_. 否定句：_. 一般疑问句：_. 提问：_.,Are you clear? Lets have a try!,I have just seen the film.,Have you seen the film yet?,I havent seen the film yet.,What have you done ?,他已经做完作业。 _. 否定句：_. 一般疑问句：_. 提问：_.,He has already finished his homework.,Has he finished his homework yet?,He hasnt finished his homework yet.,What has he done?,2.现在完成时还可用来表示过去发生的动作 一直延续到现在， 常带有 for 或 since 等表示一段时间的状语,对他们提问用 How long? for后面要加一段时间， 而since 后面只能加点时间，或句子。 for 5 years, for 20 minutes, since 1995, since last week, since 20 years ago, since it was open）。,I have worked in No.1 Middle School for 2 years.,王先生自1983年以来一直住这儿。,看完例句，你会更明白！,Mr Wang has lived here since 1983.,我在一中已工作了两年。,= I have worked in No. 1 Middle School since 2 years ago.,写出它们的同义句： 1I knew her 7 years ago.(我7年前认识她的。) = I _ _ _ _ _ _. = I _ _ _ _ _ _ _.,have known her for 7 years,have known her since 7 years ago,1.李老师教我们英语已有3年。 Mr Li _ _ _ English _ 3 years. 2. 我们已经5年没见面了。 We _ _ each other _ _ _. 3. 自10年前以来，他们已在那儿工作。 They _ _ there _ 10 years _. 自她5岁起，就一直在学英语。 She _ _ English _ _ _ 5 years old.,has taught us,for,havent seen,for 5 years,have worked,since,ago,has studied,since she was,3.注意：瞬时动词 die, come, go, begin, finish, borrow等可用现在完成时态， 但不能与for,since引导的一段时间连用。,I borrowed the book three days ago.,I have borrowed the book for 3 days. I have kept the book for three days.,例如：我3天前借的这本书。/ 这本书我已借3天。,Which one is right? 下面的说法哪个对？,所以瞬间动词与一段时间连用时，要用对应的表示状态 的动词或动词短语。,你能牢记它们的转换吗？,come / go arrive / reach / get begin / start borrow / lend come back 6. end / finish buy die join leave,be here / there,be in,be on,keep,be back,be over,have,be dead,be in = be a member of,be away (from),请改正以下的句子： 1.He has come to Beijing for seven years. _. 2.I have caught a cold since last Friday. _. 3.He have bought the computer since 3 weeks. _.,He has been in Beijing for seven years,I have had a cold since last Friday,He has had the computer for 3 weeks,翻译： 1.电影开始半个小时了。 The film _ _ _ _ half an hour 2已经放学20分钟了。 School _ _ _ _ 20 minutes. 3他的爷爷已去世5年了。 His grandpa _ _ _ _ 5 years. = His grandpa _ _ _ _ 5 years _.,has been on for,has been over for,has been dead for,has been dead since,ago,4.表示说话前发生过一次或多次的动作， 我们常用“过”来表示， 常带有twice, once, ever, never等时间状语。,例如： 我从没看过那部电影。,Ive never seen that film.,这本小说他看过两次。,He has read the novel twice.,你在网上购过物吗？,Have you ever shopped online?,5. 注意：have been to sp.与have gone to sp.的区别， have been to 表示某人曾经去过某地，人已回来； 而have gone to 表示某人去了某地，人还没回， 即人不在说话人的地方。它们都不能与for, since 引导的一段时间连用，另外 have been in sp.表示 在某地有多长的时间，可以与for, since引导的一段 时间连用，,1我去过两次北京。 I _ _ _ Beijing _. 2李平不在这儿，他去北京了。 Li Ping isnt here, he _ _ _ Beijing. 3他的父母亲在北京有40年了 His parents _ _ _ Beijing_40 years _.,have been to,twice,has gone to,have been in,since,ago,过去完成时 我们可以用 “过去的过去” 来概括 过去完成时， 谓语常用：had + done(动词的过去分词) 用法和现在完成时大致相同， 只不过又向前推了一个时态。,1.表示过去某一时刻或某一动作之前已经完成了的 动作，通常与 by构成的短语或 when, before, after或者by the time引导的时间状语从句连用。,例如：我到收银台时，才知道把钱包掉在家里了。,By the time / When I got to the check-out, I realized that I had left my purse at home.,她回家之前，女儿已经做好晚饭。,Her daughter had cooked supper before she came back home.,2.也可表示过去某一时间开始，一直延续到过去另一时间的动作，常和for或since构成的时间状语连用。,例如: 我来这儿之前，在另一所学校工作了7年。,I had worked in another school for 7 years before I came here.,3、用在宾语从句中。,我告诉她我一直想做老师。,例如：我知道她已告诉学生我是盲人。,I knew that she had told the students that I was blind.,I told her that I had always wanted to be a teacher.,1、到上学期末止，我们已经学了800个英语单词。 _ the end of last term, we _ 800 English words. 2、当我们到达电影院时，电影已经开始了。 _ we got to the cinema, the film _ already _.,By,had learned,When,had,started / begun,By the time