過(guò)去進(jìn)行時(shí)由was(第一、三人稱單數(shù))或were (其余各人稱和數(shù))加現(xiàn)在分詞所構(gòu)成。
過(guò)去進(jìn)行時(shí)的基本用法
表示在過(guò)去某一時(shí)刻或某一段時(shí)間正在進(jìn)行的動(dòng)作，這一特定的時(shí)間往往須用時(shí)間狀語(yǔ)來(lái)表示。如：
She was reading an English magazine when I came in.我進(jìn)來(lái)時(shí)她在看一本英文雜志。
It was getting dark.天黑了。
They were working all day yesterday.他們昨天整天工作。
We were cleaning the auditorium from 7 to 9 last night.昨晚七點(diǎn)到九點(diǎn)我們?cè)诖驋叽蠖Y堂。
I met him when he was crossing the street.他過(guò)街時(shí)我碰見他。
過(guò)去進(jìn)行時(shí)的其他用法
1)表示移動(dòng)的動(dòng)詞go，come，start，stay，leave等的過(guò)去進(jìn)行時(shí)，可以表示過(guò)去將來(lái)發(fā)生的動(dòng)作。如：
They wanted to know when we were leaving for Shanghai. 他們想知道我們什么時(shí)候到上海去。
She asked whether he was starting then ext day.她問(wèn)他是否第二天就動(dòng)身。
2)動(dòng)詞go的過(guò)去進(jìn)行時(shí)態(tài)加動(dòng)詞不定式，可以表示在過(guò)去某一時(shí)間之后將要發(fā)生的動(dòng)作。(比較8.24的3)如：
They said they were going to set up a nursery.他們說(shuō)他們要設(shè)立一個(gè)托兒所。
She said the foreign guests were going to visit the Shanghai in dustrial Exhibition.她說(shuō)外賓要去參觀上海工業(yè)展覽會(huì)。
The monitor announced that our new teacher was going to speak to us.班長(zhǎng)宣布新老師要跟我們講話。
3)過(guò)去進(jìn)行時(shí)可用來(lái)描寫故事發(fā)生的背景。如：
It was a dark night. The wind was blowing hard and the rain was falling heavily. A young woman suddenly appeared on the riverbank. it was Xier. She had just escaped from Huang Shiren's house.那是一個(gè)漆黑的夜晚。風(fēng)刮得很厲害，雨下得很大。一個(gè)年輕婦女突然出現(xiàn)在河岸上。這就是喜兒。她剛從黃世仁的家里逃了出來(lái)。