來(lái)源:網(wǎng)絡(luò)資源 2022-08-22 16:24:52
過(guò)去時(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。
2)過(guò)去時(shí)常與具體的時(shí)間狀語(yǔ)連用,而現(xiàn)在完成時(shí)通常與模糊的時(shí)間狀語(yǔ)連用,或無(wú)時(shí)間狀語(yǔ)。
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) 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)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come, go, leave, start, die, finish, become, get married等She has returned from Paris. 她已從巴黎回來(lái)了。She returned yesterday. 她是昨天回來(lái)了。
過(guò)去完成時(shí):
1) 概念:表示過(guò)去的過(guò)去 ----|-------|-----|---->其構(gòu)成是had +過(guò)去分詞構(gòu)成。那時(shí)以前 那時(shí) 現(xiàn)在
2) 用法
a. 在told, said, knew, heard, thought等動(dòng)詞后的賓語(yǔ)從句。She said (that) she had never been to Paris.
b. 狀語(yǔ)從句 在過(guò)去不同時(shí)間發(fā)生的兩個(gè)動(dòng)作中,發(fā)生在先,用過(guò)去完成時(shí);發(fā)生在后,用一般過(guò)去時(shí)。When the police arrived, the thieves had run away. c. 表示意向的動(dòng)詞,如hope, wish, expect, think, intend, mean, suppose等,用過(guò)去完成時(shí)表示"原本…,未能…" We had hoped that you would come, but you didn't.
3) 過(guò)去完成時(shí)的時(shí)間狀語(yǔ)before, by, until , when, after, once, as soon as。
這兩種時(shí)態(tài)學(xué)生很容易混淆,因?yàn)樗鼈儞?jù)描述的動(dòng)作都是過(guò)去發(fā)生的。那么我們應(yīng)當(dāng)怎么去區(qū)別開(kāi)它們呢?它們的主要區(qū)別在于:
一般過(guò)去時(shí)一般只出現(xiàn)一個(gè)表過(guò)去的時(shí)間,而過(guò)去完成時(shí)則應(yīng)出現(xiàn)兩個(gè)表過(guò)去的、有先后時(shí)間或動(dòng)作!
1. 一般過(guò)去時(shí)表示說(shuō)話人關(guān)心過(guò)去某動(dòng)作發(fā)生的“時(shí)間”,所以往往有表過(guò)去的時(shí)間!如有two days ago, last week, yesterday等等。He came here two years ago. We played basketball last week.
2.過(guò)去完成時(shí)則主要體現(xiàn)過(guò)去發(fā)生的兩動(dòng)作的先后有別,表達(dá)的是“過(guò)去的過(guò)去”,即比過(guò)去發(fā)生的某動(dòng)作都還要“過(guò)去”,兩動(dòng)作中先發(fā)生的就用過(guò)去完成時(shí),后發(fā)生的則只用一般過(guò)去時(shí)。運(yùn)用過(guò)去完成時(shí)的句子往往有兩過(guò)去的時(shí)間或動(dòng)作,一定要注意這點(diǎn)喲!
Mr Green had lived in New York for ten years before he came to China.("來(lái)”中國(guó)已過(guò)去,而先前“住”在紐約更過(guò)去!)
We had learned 1000 words by the end of last term. (“上期期末”已過(guò)去,而是在其前“學(xué)”的就更過(guò)去了!)
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