現(xiàn) 在 完 成 時 態(tài) 過 去 完 成 時 態(tài),現(xiàn)在完成時態(tài),1. 現(xiàn)在完成時表示的是已經(jīng)完成的動作， 但動作造成的影響還在， 常被 just, already, yet 等副詞修飾, 謂語常用： have / has + 動詞的過去分詞 （done）。 如：He has already gone to Tianjin. (他已經(jīng)去天津了。) 對現(xiàn)在造成的影響是他已經(jīng)不在這兒了。,你知道動詞的過去分詞是怎樣構成的嗎?,一般在動詞原形末尾加 ed look play start 2.結尾是 e 的動詞加 d live hope use 3.末尾只有一個輔音字母的重讀閉音節(jié)詞,先雙寫這個 輔音字母, 再加 ed stop plan trip 4. 末尾是 輔音字母+ y study carry worry,ed,ed,ed,d,d,d,ped,ned,ped,studied,carried,worried,別忘了還有一些不規(guī)則的:,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,我剛剛看過這部電影。_. 否定句：_. 一般疑問句：_. 提問：_.,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 ?,他已經(jīng)做完作業(yè)。 _. 否定句：_. 一般疑問句：_. 提問：_.,He has already finished his homework.,Has he finished his homework yet?,He hasnt finished his homework yet.,What has he done?,2.現(xiàn)在完成時還可用來表示過去發(fā)生的動作 一直延續(xù)到現(xiàn)在， 常帶有 for 或 since 等表示一段時間的狀語,對他們提問用 How long? for后面要加一段時間， 而since 后面只能加點時間，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年以來一直住這兒。,看完例句，你會更明白！,Mr Wang has lived here since 1983.,我在一中已工作了兩年。,= I have worked in No. 1 Middle School since 2 years ago.,寫出它們的同義句： 1I knew her 7 years ago.(我7年前認識她的。) = I _ _ _ _ _ _. = I _ _ _ _ _ _ _.,have known her for 7 years,have known her since 7 years ago,1.李老師教我們英語已有3年。 Mr Li _ _ _ English _ 3 years. 2. 我們已經(jīng)5年沒見面了。 We _ _ each other _ _ _. 3. 自10年前以來，他們已在那兒工作。 They _ _ there _ 10 years _. 自她5歲起，就一直在學英語。 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：瞬時動詞 die, come, go, begin, finish, borrow等可用現(xiàn)在完成時態(tài)， 但不能與for,since引導的一段時間連用。,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天前借的這本書。/ 這本書我已借3天。,Which one is right? 下面的說法哪個對？,所以瞬間動詞與一段時間連用時，要用對應的表示狀態(tài) 的動詞或動詞短語。,你能牢記它們的轉換嗎？,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),請改正以下的句子： 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,翻譯： 1.電影開始半個小時了。 The film _ _ _ _ half an hour 2已經(jīng)放學20分鐘了。 School _ _ _ _ 20 minutes. 3他的爺爺已去世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.表示說話前發(fā)生過一次或多次的動作， 我們常用“過”來表示， 常帶有twice, once, ever, never等時間狀語。,例如： 我從沒看過那部電影。,Ive never seen that film.,這本小說他看過兩次。,He has read the novel twice.,你在網(wǎng)上購過物嗎？,Have you ever shopped online?,5. 注意：have been to sp.與have gone to sp.的區(qū)別， have been to 表示某人曾經(jīng)去過某地，人已回來； 而have gone to 表示某人去了某地，人還沒回， 即人不在說話人的地方。它們都不能與for, since 引導的一段時間連用，另外 have been in sp.表示 在某地有多長的時間，可以與for, since引導的一段 時間連用，,1我去過兩次北京。 I _ _ _ Beijing _. 2李平不在這兒，他去北京了。 Li Ping isnt here, he _ _ _ Beijing. 3他的父母親在北京有40年了 His parents _ _ _ Beijing_40 years _.,have been to,twice,has gone to,have been in,since,ago,過去完成時 我們可以用 “過去的過去” 來概括 過去完成時， 謂語常用：had + done(動詞的過去分詞) 用法和現(xiàn)在完成時大致相同， 只不過又向前推了一個時態(tài)。,1.表示過去某一時刻或某一動作之前已經(jīng)完成了的 動作，通常與 by構成的短語或 when, before, after或者by the time引導的時間狀語從句連用。,例如：我到收銀臺時，才知道把錢包掉在家里了。,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，女兒已經(jīng)做好晚飯。,Her daughter had cooked supper before she came back home.,2.也可表示過去某一時間開始，一直延續(xù)到過去另一時間的動作，常和for或since構成的時間狀語連用。,例如: 我來這兒之前，在另一所學校工作了7年。,I had worked in another school for 7 years before I came here.,3、用在賓語從句中。,我告訴她我一直想做老師。,例如：我知道她已告訴學生我是盲人。,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、到上學期末止，我們已經(jīng)學了800個英語單詞。 _ the end of last term, we _ 800 English words. 2、當我們到達電影院時，電影已經(jīng)開始了。 _ we got to the cinema, the film _ already _.,By,had learned,When,had,started / begun,By the time