初中英語(yǔ)時(shí)態(tài)講解和練習(xí)[含答案解析]-閱讀頁(yè)
2025-07-03 15:07本頁(yè)面
【正文】 /has donel 意義：開(kāi)始于過(guò)去的動(dòng)作一直持續(xù)到現(xiàn)在，而且還可能繼續(xù)持續(xù)下去。 (黑點(diǎn)表示現(xiàn)在和過(guò)去兩個(gè)時(shí)間點(diǎn)；時(shí)間骰表示動(dòng)作在延續(xù)；徐建投表示動(dòng)作可能繼續(xù)持續(xù)下去）l 用法： A)延續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)： 特點(diǎn)：1) 謂語(yǔ)動(dòng)詞一般為延續(xù)性動(dòng)詞 2) 動(dòng)作發(fā)生的時(shí)間是過(guò)去，但這一動(dòng)作持續(xù)到現(xiàn)在，而且還可能繼續(xù)持續(xù)下去。216。ve worked in this pany since 1980. 2. for+時(shí)間段 .: I39。 4. “在最近幾世紀(jì)/年/月以來(lái)...” in the past few years, over the past few years, during the last three months, for the last few centuries, through centuries, throughout history. .: Throughout history man has had to accept the fact that all living things must die, for the very nature of life includes death. 自古以來(lái)，人類(lèi)就必須接受這樣的事實(shí)：一切生命體最終都會(huì)消亡，因?yàn)樯谋举|(zhì)包含了死亡。謂語(yǔ)動(dòng)詞一般為短暫性動(dòng)詞。（圖中黑點(diǎn)表示過(guò)去某一時(shí)刻發(fā)生的動(dòng)作；虛線表示過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在仍有影響） C) 到目前的一個(gè)時(shí)間段內(nèi)重復(fù)發(fā)生的動(dòng)作。 （圖中每一個(gè)黑點(diǎn)表示以此動(dòng)作；虛線表示于現(xiàn)在有聯(lián)系） .: For more than eight years, scientists have argued over whether life exists on the planet Mars. 八十多年以來(lái)，科學(xué)家們一直就火星上是否有生命存在這一問(wèn)題不斷進(jìn)行爭(zhēng)論。這一動(dòng)作： 1)在該過(guò)去時(shí)刻仍然再繼續(xù)，或在該過(guò)去時(shí)刻剛剛停止； 2)在該過(guò)去時(shí)刻之前的某一時(shí)刻停止的動(dòng)作 3) 在該過(guò)去時(shí)刻之前的一段時(shí)間內(nèi)重讀的動(dòng)作。開(kāi)始于過(guò)去之前（即過(guò)去的過(guò)去）的動(dòng)作或狀態(tài)在過(guò)去這一時(shí)刻仍在持續(xù)。.: She had made everything ready before I came.C）如同現(xiàn)在完成時(shí)的第三種用法，在過(guò)去之前開(kāi)始的動(dòng)作，在過(guò)去之前的一段時(shí)間內(nèi)重復(fù)發(fā)生。l 用法： A) 延續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。.： We will have finished our exam by the end of next week.C) 在將來(lái)之前開(kāi)始的動(dòng)作，在將來(lái)之前的一段時(shí)間內(nèi)重復(fù)發(fā)生。clock this afternoon the spaceship will have traveled eleven times round the world.l 形式：have/has been doingl 意義：強(qiáng)調(diào)動(dòng)作的持續(xù)性，表示開(kāi)始于過(guò)去的動(dòng)作持續(xù)到現(xiàn)在，并且活動(dòng)還沒(méi)有結(jié)束，還將繼續(xù)持續(xù)下去。s still raining. It has been raining for two hours. It began raining at 8 o39。s still raining. It has been raining since 8 o39。 表示開(kāi)始于過(guò)去的動(dòng)作持續(xù)到現(xiàn)在為止不在繼續(xù)或表示不久前剛剛結(jié)束的動(dòng)作。具體來(lái)說(shuō)就是表示說(shuō)話時(shí)刻以前的一段時(shí)間內(nèi)重復(fù)發(fā)生的動(dòng)作。ve been going there for years.l 形式：had been doingl 意義： A) 強(qiáng)調(diào)在過(guò)去的某一活動(dòng)或時(shí)間之前一直在持續(xù)的一項(xiàng)活動(dòng)。 .: When I arrived in Inner Mongolia, it had been snowing for half a month. B）強(qiáng)調(diào)在故去的某一活動(dòng)或時(shí)間之前一直在持續(xù)的一項(xiàng)活動(dòng)。 .: The police had been looking for the murder for 2 years before they caught him. He finally showed up at 9 o39。clock. C) 過(guò)去完成進(jìn)行時(shí)可表示重復(fù)發(fā)生的動(dòng)作。 .: He had been gambling for 2 years before his wife found out.l 形式：will have been doingl 意義：表示開(kāi)始于將來(lái)某個(gè)時(shí)刻之前的動(dòng)作持續(xù)到將來(lái)這一時(shí)刻，并可能繼續(xù)持續(xù)下去。 .： I39。ll have been teaching for 30 years. She will have been taking care of her blind husband for 20 years by then. B) 表示在將來(lái)某個(gè)時(shí)間之前經(jīng)常重復(fù)的動(dòng)作。s lectures for half a year by next week.
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