時(shí)間狀語(yǔ)從句(完整版)
【正文】 e 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. As he finished his speech, the audience burst into applause. 他結(jié)束演講時(shí) ， 觀(guān)眾爆發(fā)出雷鳴般的掌聲 。 The sun came out soon after the storm stopped. 暴風(fēng)雨過(guò)后不久 ， 太陽(yáng)出來(lái)了 。 倒裝 當(dāng) hardly或 no sooner位于句首時(shí) ， 要倒裝 。 until D. didn’t go。 當(dāng) not until位于句首時(shí) ， 主句中的主語(yǔ) 、 謂語(yǔ)要使用部分倒裝語(yǔ)序 。 ? It is/has been two years since he was in the army. (反向翻譯 ） ? 他離開(kāi)軍隊(duì)兩年了 。 eg. Take it down before you fet it. 趁著還沒(méi)忘記的時(shí)候就記錄下來(lái) 。 he grew older, he became less and less active. 隨著他年齡的增長(zhǎng) ， 他變得越來(lái)越不活潑了 b． when更強(qiáng)調(diào)特定時(shí)間 ， 還可表示從句中的動(dòng)作先于或后于主句的動(dòng)作 。 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 。 after after表示在一段時(shí)間之后 。 ? It is/has been two years since he has been in the army. ? 他當(dāng)兵兩年了 。 Not until I returned did she finish her homework. not until 句型 與強(qiáng)調(diào)句型結(jié)合 I didn’t go to sleep until he came back. 與倒裝句式結(jié)
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號(hào)-1