grammar動(dòng)詞時(shí)態(tài)-在線瀏覽
2024-07-22 08:46本頁(yè)面
【正文】 還存在；也可表示持續(xù)到現(xiàn)在的動(dòng)作或 狀態(tài)。 15 比較過(guò)去時(shí)與現(xiàn)在完成時(shí) ? 1）過(guò)去時(shí)表示過(guò)去某時(shí)發(fā)生的動(dòng)作或單純敘述過(guò)去的事情，強(qiáng)調(diào)動(dòng)作；現(xiàn)在完成時(shí)為過(guò)去發(fā)生的，強(qiáng)調(diào)過(guò)去的事情對(duì)現(xiàn)在的影響，強(qiáng)調(diào)的是影響。 ? 一般過(guò)去時(shí)的時(shí)間狀語(yǔ) : ? yesterday, last week， …ago, in1980, in October, just now, 具體的時(shí)間狀語(yǔ) 16 ? 共同的時(shí)間狀語(yǔ) : ? this morning, tonight,this April, now, once，before, already, recently， lately ? 現(xiàn)在完成時(shí)的時(shí)間狀語(yǔ) ? for, since, so far, ever, never, just, yet, till / until, up to now, in past years, always, 17 ? 3）現(xiàn)在完成時(shí)可表示持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)，動(dòng)詞一般是延續(xù)性的，如 live, teach, learn, work, study, know. ? 過(guò)去時(shí)常用的非持續(xù)性動(dòng)詞有 e, go, leave, start, die, finish, bee, get married等。） ? I have seen this film. ? （強(qiáng)調(diào)對(duì)現(xiàn)在的影響，電影的內(nèi)容已經(jīng)知道了。） ? Who hasn39。） ? She has returned from Paris. ? 她已從巴黎回來(lái)了。 ? He has been in the League for three years. ? (在團(tuán)內(nèi)的狀態(tài)可延續(xù) ) 19 ? He has been a League member for three years. ? (是團(tuán)員的狀態(tài)可持續(xù) ) ? He joined the League three years ago. ? ( 三年前入團(tuán)， joined為短暫行為。s already been sent for. ? 句子中如有過(guò)去時(shí)的時(shí)間副詞（如 yesterday, last, week, in 1960）時(shí)，不能使用現(xiàn)在完成時(shí)，要用過(guò)去時(shí)。 ? It is the first time that I have visited the city. ? It was the third time that the boy had been late. ? 2） This is the… that… 結(jié)構(gòu)， that 從句要用現(xiàn)在完成時(shí) . ? This is the best film that I39。 ? This is the first time (that) I39。 21 ? 典型例題 ? (1) Do you know our town at all? ? No, this is the first time I ___ here. ? A. was B. have been C. came D. am ing ? 答案 B. This is the first time 后面所加從句應(yīng)為現(xiàn)在完成時(shí)，故選 B。s the first time I ___ here. ? A. even, e B. even, have e C. ever, e D. ever, have e ? 答案 D. ever意為曾經(jīng)或無(wú)論何時(shí)，反意詞為 never，此兩詞常用于完成時(shí)。 ? 注意：非延續(xù)性動(dòng)詞的否定形式可以與表示延續(xù)時(shí)間的狀語(yǔ)連用。 ? （錯(cuò)） I have received his letter for a month. ? （對(duì)） I haven39。 ? I have lived here for more than twenty years. ? I have lived here since I was born.. ? My aunt has worked in a clinic since 1949. ? Some new oilfields have been opened up since 1976. ? I have known Xiao Li since she was a little girl. ? My brother has been in the Youth League for two years. ? I have not heard from my uncle for a long time. 24 ? 注意：并非有 for 作為時(shí)間狀語(yǔ)的句子都用現(xiàn)在完成時(shí)。 ) ? I have worked here for many years. ? (現(xiàn)在我仍在這里工作。 ? 1) (對(duì) ) Tom has studied Russian for three years. ? = Tom began to study Russian three years ago, and is still studying it now. ? 2) (錯(cuò) ) Harry has got married for six years. ? = Harry began to get married six years ago, and is still getting married now. ? 顯然，第二句不對(duì)，它應(yīng)改為 Harry got married six years ago. 或 Harry has been married for six years. 26 since的四種用法 ? 1) since +過(guò)去一個(gè)時(shí)間點(diǎn) (如具體的年、月、日期
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