時(shí)間狀語(yǔ)從句-wenkub
2023-03-29 21:36:58 本頁(yè)面
【正文】 e film had already begun. While + (1) 延續(xù)性動(dòng)詞 . While I slept, a thief broke in. fell asleep while she was reading the newspaper. (2) 表示兩種情況對(duì)比 ， “ 然而 ” “ 而 ” . They were surprised that a child should work out the problem while they themselves couldn’t. (3) 表示 “ 趁著 … 時(shí)候 ” (強(qiáng)調(diào)主從句動(dòng)作同時(shí)發(fā)生 ). . Strike while the iron is hot. LOREM IPSUM DOLOR ? As 側(cè)重主從句動(dòng)作同時(shí)發(fā)生 ， 常譯為 ? ① “ 一邊 … 一邊 … .” students took notes as they listened. ? ② “隨著 ” time goes by, we have gained more and more knowledge. 注意 若主句謂語(yǔ)是短暫性動(dòng)作 ， 從句用延續(xù)性動(dòng)詞的進(jìn)行時(shí) 態(tài)表示在一段時(shí)間內(nèi)正在進(jìn)行的動(dòng)作時(shí) ， 三者可以互換 ！ When/While/As we were having an English class, a stranger broke in. Practice ___________ l was walking down the street， I saw some policemen． _______they heard the news， they were surprised． They shouted slogans ____they passed the square. When/While/As When as when, while, as的用法區(qū)別 ① 只有當(dāng)從句表示的是段時(shí)間 ， 即其謂語(yǔ)動(dòng)詞有持續(xù)性特征時(shí) ， 這三者可以通用互換 。 eg. When I had given Mary the spare ticket, I found my own already gone. （ 從句動(dòng)作發(fā)生在主句之前 ， 注意主從句的時(shí)態(tài) ） When I finally got there, the meeting had been on for ten minutes. （ 從句動(dòng)作發(fā)生在主句之后 ， 注意時(shí)態(tài) ） c． while從句只能表示延續(xù)的動(dòng)作或狀態(tài)或主從句中動(dòng)作的對(duì)比 。 before before表示在一段時(shí)間之前 。 after after表示在一段時(shí)間之后 。 ? 注： before和 after引導(dǎo)的狀語(yǔ)從句 ， 主從句發(fā)生的動(dòng)作先后順序很明確 ， 因此 after從句中的謂語(yǔ)動(dòng)詞常常使用一般過(guò)去時(shí)來(lái)代替過(guò)去完成時(shí) 。 ? It is/has been two years since he has been in the army. ? 他當(dāng)兵兩年了 。 我一到達(dá)上海就給你打電話(huà) 。 Not until I returned did she finish her homework. not until 句型
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