一般過去時(shí)與現(xiàn)在完成時(shí)的用法區(qū)別-wenkub
2023-04-16 23:10:30 本頁面
【正文】 的意義。本文通過對(duì)比一般過去時(shí)和現(xiàn)在完成時(shí)，對(duì)現(xiàn)在完成時(shí)進(jìn)行初步講解，希望使同學(xué)們讀新學(xué)期的學(xué)習(xí)有所準(zhǔn)備。 二、現(xiàn)在完成時(shí) 1. 現(xiàn)在完成時(shí)的構(gòu)成現(xiàn)在完成時(shí)是由助動(dòng)詞 have (has)+動(dòng)詞的過去分詞構(gòu)成?！ ?. 現(xiàn)在完成時(shí)的用法 現(xiàn)在完成時(shí)表示過去某時(shí)發(fā)生的行為對(duì)主語目前產(chǎn)生的影響。如： Have you had lunch yet? Yes, I have. I39。常帶有for和since等表示一段時(shí)間的狀語。 （3）表示說話前發(fā)生過一次或多次的動(dòng)作，現(xiàn)在成為一種經(jīng)驗(yàn)，一般譯為漢語“過”，常帶有twice,ever,never,three times等時(shí)間狀語。但是，在強(qiáng)調(diào)動(dòng)作產(chǎn)生的后果和影響時(shí)，可以和一些表示不確定的時(shí)間狀語連用?！ hey haven39?！ ∪纾篐ave you ever been to the Great Wall? 你曾經(jīng)去過長城嗎？ I have never been to the Great ?！ 艾F(xiàn)在”在內(nèi)的時(shí)間狀語，如：now, today, this morning (month, year, term)等。如：I haven39?！ is father has been dead for two 。如：They have been to Beijing 。 ?。?）終止性動(dòng)詞現(xiàn)在完成時(shí)的否定式，已變成一種可以延續(xù)的狀態(tài)，因此可以和表示一段時(shí)間的狀語連用?！ have lived here since my 。 I have lived here for a week by now. 到現(xiàn)在為止，我已經(jīng)在這里住了一周?！ have just been to London. I went there last month. 我剛?cè)ミ^倫敦，是上個(gè)月去的?！ ∨e例： I saw this film yesterday. （強(qiáng)調(diào)看的動(dòng)作發(fā)生過了。t handed in his paper? （強(qiáng)調(diào)有卷子，可能為不公平競爭。) I have finished my homework now. Will somebody go and get Dr. White? He39。在紛雜的塵世里，為自己留下一片純靜的心靈空間，不管是潮起潮落，也不管是陰晴圓缺，你都可以免去浮躁，義無反顧，勇往直前，輕松自如地走好人生路上的每一步3. 花一些時(shí)間，總會(huì)看清一些事。努力過后，才知道許多事情，堅(jiān)持堅(jiān)持，就過來了。只有你自己才能把歲月描畫成一幅難以忘懷的人生畫卷。歲月是有情的，假如你奉獻(xiàn)給她的是一些色彩，它奉獻(xiàn)給你的也是一些色彩。有時(shí)候覺得自己像個(gè)神經(jīng)病。 ?。ㄥe(cuò)）Tom has written a letter to his parents last night. ?。▽?duì)）Tom wrote a letter to his parents last night. 三、練習(xí)題 1. A. 用 already或 yet 1) Have they taken down the old pictures ___yet___? No, not ___haven’t_______. 2) Most of us have finished our positions _____阿拉ready___ 3) He said he hadn’t visited the exhibition _____yet___. since或 for 1) We have learned five lessons __scince____ the beginning of this term. 2) Mrs Liao has been in hospital ___scince___last week. 3) I have stayed at my aunt’s _____two weeks. C. 用have gone或 have been 1) Where are the boy students ? They _____ to the school factory. 2) Is your father in ? No, he ____ to Shenzhen. _______he ever ______ there before ? Yes, he ___ there several times 3) He asked me if I_____ to Hangzhou before. I told him that I wanted to go there for a visit as I ____ never ____ to tha
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