謂語(yǔ)動(dòng)詞構(gòu)成：I/he/she/it was working; we/you/they were working
(1) 表示過(guò)去某一時(shí)刻或過(guò)去某段時(shí)間內(nèi)正在進(jìn)行的動(dòng)作，一般要有表示過(guò)去時(shí)間的狀語(yǔ)
At that time she was working in Oxford. 那時(shí)，她正在牛津大學(xué)工作.
It was raining at 6 o'clock this morning. 今天早晨六點(diǎn)鐘天正下著雨.
What were you doing when I phoned you last night? 昨晚我給你打電話時(shí)你在干什么？
(2) 可用來(lái)表示由過(guò)去某時(shí)持續(xù)到另一時(shí)間的過(guò)去動(dòng)作
He was studying in Cambridge between 1999 and 2001.
在1999年和2001年那段時(shí)間，他在劍橋?qū)W習(xí).
From January to March I was traveling in Egypt.
從3月份到4月份期間，我在埃及旅游.
(3) 表示故事發(fā)生的背景
It was a sunny morning. Some people were sitting on the riverbank. Some were walking with their dogs. Several boys were playing football nearby...
一個(gè)陽(yáng)光明媚的清晨.河堤上坐著幾個(gè)人.有的人在溜狗.不遠(yuǎn)處有幾個(gè)男童在踢足球...
(4) 與某些動(dòng)詞連用時(shí)，代替過(guò)去將來(lái)時(shí)
這類動(dòng)詞有 come來(lái), go去, leave離開(kāi), start開(kāi)始, stay逗留 等.主語(yǔ)必須是人.
He telephoned me, saying that his aunt was coming to see me soon.
他打電話給我，說(shuō)他姨很快就要看我了.
五、現(xiàn)在完成時(shí)
謂語(yǔ)動(dòng)詞構(gòu)成：I/we/you/they have worked; he/she/it has worked
(1) 表示過(guò)去某一時(shí)刻發(fā)生，且延續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)，這種情況常與表示一段的時(shí)間狀語(yǔ)連用
We have lived here since last October. 自從去年十月份我們就一直住在這兒。
She has studied English for 5 years. 她學(xué)英語(yǔ)已有5年之久
(2) 表示某個(gè)已經(jīng)發(fā)生且對(duì)現(xiàn)在造成影響或結(jié)果的動(dòng)作，這種情況常不與任何時(shí)間狀語(yǔ)連用
I'm sorry I have lost my key. I can't open the door.
對(duì)不起，我把鑰匙弄丟了.門開(kāi)不了了.
She has left. If you want to see her, you'll have to come tomorrow.
她已經(jīng)走了.如果你想見(jiàn)她的話，你得明天再來(lái)一趟.
(1) 表示過(guò)去某一時(shí)刻或過(guò)去某段時(shí)間內(nèi)正在進(jìn)行的動(dòng)作，一般要有表示過(guò)去時(shí)間的狀語(yǔ)
At that time she was working in Oxford. 那時(shí)，她正在牛津大學(xué)工作.
It was raining at 6 o'clock this morning. 今天早晨六點(diǎn)鐘天正下著雨.
What were you doing when I phoned you last night? 昨晚我給你打電話時(shí)你在干什么？
(2) 可用來(lái)表示由過(guò)去某時(shí)持續(xù)到另一時(shí)間的過(guò)去動(dòng)作
He was studying in Cambridge between 1999 and 2001.
在1999年和2001年那段時(shí)間，他在劍橋?qū)W習(xí).
From January to March I was traveling in Egypt.
從3月份到4月份期間，我在埃及旅游.
(3) 表示故事發(fā)生的背景
It was a sunny morning. Some people were sitting on the riverbank. Some were walking with their dogs. Several boys were playing football nearby...
一個(gè)陽(yáng)光明媚的清晨.河堤上坐著幾個(gè)人.有的人在溜狗.不遠(yuǎn)處有幾個(gè)男童在踢足球...
(4) 與某些動(dòng)詞連用時(shí)，代替過(guò)去將來(lái)時(shí)
這類動(dòng)詞有 come來(lái), go去, leave離開(kāi), start開(kāi)始, stay逗留 等.主語(yǔ)必須是人.
He telephoned me, saying that his aunt was coming to see me soon.
他打電話給我，說(shuō)他姨很快就要看我了.
五、現(xiàn)在完成時(shí)
謂語(yǔ)動(dòng)詞構(gòu)成：I/we/you/they have worked; he/she/it has worked
(1) 表示過(guò)去某一時(shí)刻發(fā)生，且延續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)，這種情況常與表示一段的時(shí)間狀語(yǔ)連用
We have lived here since last October. 自從去年十月份我們就一直住在這兒。
She has studied English for 5 years. 她學(xué)英語(yǔ)已有5年之久
(2) 表示某個(gè)已經(jīng)發(fā)生且對(duì)現(xiàn)在造成影響或結(jié)果的動(dòng)作，這種情況常不與任何時(shí)間狀語(yǔ)連用
I'm sorry I have lost my key. I can't open the door.
對(duì)不起，我把鑰匙弄丟了.門開(kāi)不了了.
She has left. If you want to see her, you'll have to come tomorrow.
她已經(jīng)走了.如果你想見(jiàn)她的話，你得明天再來(lái)一趟.