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一般過去時,現(xiàn)在完成時,過去完成時的用法及區(qū)別-展示頁

2024-11-16 23:47本頁面
  

【正文】 ______ your radio for such a long time.—Never returned29.—Where have you ______ these days?—I have ______ to Yangzhou with my , , , , gone30.—Where is your father? We haven’t seen each other for weeks.— has been to America has gone to would visit my is going to Australia have ______ since the factory the the here ______ the Great Wall many gone been to ______ ten years since they ______ to , , have , have , moved34.—______ to the United States?—No, never, but I went to Canada a few years you you you you go won’t go to see the film tonight because I ______ my ’t ’t have Wu has taught in this school ten years ten ten years ago ______ today’s homework about you? 38.—Ann has gone to Shanghai.—So ______ her 第四篇:一般過去時與現(xiàn)在完成時區(qū)別專題一般過去時與現(xiàn)在完成時區(qū)別專題一、現(xiàn)在完成時 have(has)+動詞的過去分詞構(gòu)成。Will somebody go and get ?He39。She has returned from 。,而現(xiàn)在完成時通常與模糊的時間狀語連用,或無時間狀語。I have just been to went there last ,是上個月去的。二、現(xiàn)在完成時與一般過去時的區(qū)別現(xiàn)在完成時用來表示之前已發(fā)生或完成的動作或狀態(tài),其結(jié)果的確和現(xiàn)在有聯(lián)系。I have lived here for a week by ,我已經(jīng)在這里住了一周。如:How long have you lived here?注意:在表示某一行為狀態(tài)持續(xù)多長時間時,根據(jù)終止時間的不同,時態(tài)使用是不一樣的。(4)表示行為或狀態(tài)從過去一直持續(xù)到現(xiàn)在時,用現(xiàn)在完成時,要加表示一段時間的時間狀語時,常用 for+一段時間, since+時間點,since+一段時間+:I have lived here since my 。如:I haven39。如:It is two years since his father died.=His father has been dead for two 世已有兩年了。He has gone to 。(1)have been(to)與have gone(to)的區(qū)別:have been(to)表示去過某地(現(xiàn)在已經(jīng)回來了);havegone(to)表示去某地了(說話時某人不在當(dāng)?shù)兀?。His father has been dead for two 。現(xiàn)歸納總結(jié)一下由短暫性動詞到延續(xù)性動詞的轉(zhuǎn)換:arrive →be herebegin(start)→be ondie →be deade back →be backleave →be awayfall ill(sick, asleep)→be ill(sick, asleep)get up →be up1Yes, I 39。t seen him for two ,像e, arrive, buy等短暫性動詞不能與表示“一段時間”的狀語連用。How many times have you been there this year?今年你去過那里多少次?(2)現(xiàn)在完成時可以和帶有since或for等表示“一段時間”的狀語連用,表示動作或狀態(tài)從某一時刻開始,一直持續(xù)到現(xiàn)在。例如:Have you met him today?No, I haven39。He has been there three times the last few 。,如just, before, up to now, the past few years等。多用于否定或疑問句中,表示“曾經(jīng)”或“從未”等。t finished their homework 。如:We have already finished our 。如:yesterday,lastSunday,in1990,three years ago等。如: I have been to Beijing 。常帶有for和since等表示一段時間的狀語。如:Have you had lunch yet?在我不餓了)(2)表持續(xù):從過去某一時刻開始一直持續(xù)到現(xiàn)在的動作或狀態(tài)。We are good friends.(現(xiàn)在的情況)I knew him in 1997.(過去的動作)We have known each other since 1997.(現(xiàn)在完成時把過去的動作和現(xiàn)在聯(lián)系起來并著眼于現(xiàn)在)(1)表完成和結(jié)果:動作發(fā)生在過去某個不確定的時間,但對現(xiàn)在留下了某種影響和結(jié)果。它和主語的人稱、數(shù)要保持一致。第三篇:一般過去時與現(xiàn)在完成時區(qū)別一、現(xiàn)在完成時:助動詞 have(has)+動詞的過去分詞。最后,請比較下面幾組句子,以體會兩種時態(tài)的不同。其次,從與一般過去時和現(xiàn)在完成時搭配的時間狀語來區(qū)分?,F(xiàn)在完成時表示的事情發(fā)生在不能具體指出、現(xiàn)在以前的、過去某個或某段時間。一般過去時所表示的過去一段時間是可以具體確定的,與其他時間沒有聯(lián)系。一般過去時和現(xiàn)在完成時可以從以下幾方面來區(qū)分。它既可表示到現(xiàn)在為止已完成的動作,又可表示沒有完成的動作的動作,現(xiàn)在完成時有一些標志性的時間狀語,如:already,yet,just,ever,so far,up to now,in the past five years等。I never thought he would do 。語境中的過去時,往往表示“剛才,剛剛”之意,暗示“現(xiàn)在已不再這樣”。在含有一般過去時的句子中通常有表示過去的時間狀語,常見的有:yesterday,last month,in 1999,two days ago等?,F(xiàn)在我們就談?wù)勔话氵^去時和現(xiàn)在完成時的區(qū)別。I had learned 1000 English words till 1000 個英語單詞。過去完成時則是一個相對的時態(tài),以過去時間為基點,它所表示的動作不僅發(fā)生在過去,更強調(diào)“過去的過去”,只有和過去某時或某動作相比較時,才用到它。The meeting ___________(start)when we arrived at the hall./ start的動作發(fā)生在過去的動作arrived之前。clock./ start的動作發(fā)生在at six o39。一般過去時與現(xiàn)在相比,強調(diào)“過去”,而過去完成時則與過去相比,強調(diào)“過去的過去”。二、一般過去式與過去完成時的區(qū)別。7如果一件事情發(fā)生在過去并且延續(xù)到說話的這個時刻,就需要使用現(xiàn)在完成時。Great changes _______(take)place in the last ten years5如果一件事情發(fā)生在過去并且延續(xù)到說話的這個時刻,就需要使用現(xiàn)在完成時。ve got to fill in a form with a ,表達從過去開始的動作或狀態(tài)延續(xù)至今,而一般過去時與“for+一段時間”連用時,只指過去的動作或狀態(tài)在過去延續(xù)了多長時間。 ________(lose)my you lend me yours? don39。一般不與過去具體時間連用。例如:They had hoped to be able to arrive before 、一般過去時與現(xiàn)在完成時的用法比較。、計劃或打算。,常與for,since等詞連用。表示的是“過去的過去,常用的時間狀語有:”by + 過去的時間點、by the end of + 過去的時間點、before + 過去的時間點。I haven’t eaten anything since 。(結(jié)果是燈已經(jīng)關(guān)上了)She has lost her 。I wish I were twenty
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