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去進(jìn)行時(shí) 構(gòu)成: be的過去式+現(xiàn)在分詞。 過去進(jìn)行時(shí)表示過去某時(shí)正在進(jìn)行的情況或動(dòng)作。過去進(jìn)行時(shí)和一般過去時(shí)經(jīng)常在同一個(gè)句子里使用。過去進(jìn)行時(shí)表示過去正在進(jìn)行的情況或動(dòng)作,一般過去時(shí) 則表示比較短暫的動(dòng)作或事件。過去進(jìn)行時(shí)的時(shí)間狀語從句一般由when,while及(just)as等來引導(dǎo),說明主句中動(dòng)作發(fā)生時(shí)的背景。此外,可用 while或 at the time等強(qiáng)調(diào)同時(shí)進(jìn)行的兩種或幾種動(dòng)作。請(qǐng)看例句: When I was doing the housework, my husband telephoned me from the office. 當(dāng)我正在干家務(wù)時(shí),我丈夫從辦公室打電話給我?! hile I was listening to the stereo, my mother came into the room. 我正在聽立體聲節(jié)目時(shí),我母親進(jìn)房間了?! ust as she was cleaning her shoes, George knocked at the door. 她正在擦鞋時(shí),喬治敲門了?! hile I was cooking the dinner ,he was working in the garden. 我做飯時(shí),他正在花園里勞作?! ≡~匯學(xué)習(xí) Word study v. (1)吞下,咽下: Tommy had swallowed the coins. 湯米把硬幣吞下去了。 (2)抑制,使不流露: I tried hard to swallow my doubts. 我強(qiáng)忍著不露出懷疑的神色?! he swallowed a smile and sat there still. 她忍住沒笑,靜靜地坐在那里。 (3)吞并。侵吞: Our pany was swallowed up by an A