一、 概念和用法：過(guò)去進(jìn)行時(shí)表示在過(guò)去某一時(shí)刻或某一段時(shí)間內(nèi)進(jìn)行或發(fā)生的動(dòng)作。其形式為was /were + V-ing。常與表示過(guò)去的時(shí)間狀語(yǔ)連用，如：last night, last Saturday等；或者與when, while, as引導(dǎo)的過(guò)去時(shí)間狀語(yǔ)連用。例如：
We were watching TV from seven to nine last night. 昨天晚上七點(diǎn)到九點(diǎn)的時(shí)候我們?cè)诳措娨暋?br> What was he researching all day last Sunday? 上周日他一整天都在研究什么？
一般過(guò)去時(shí)表示過(guò)去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài)；過(guò)去習(xí)慣性、經(jīng)常性的動(dòng)作、行為；過(guò)去主語(yǔ)所具備的能力和性格?；窘Y(jié)構(gòu)：主語(yǔ)+謂語(yǔ)(動(dòng)詞過(guò)去式）+句子其他成分；主語(yǔ)+was/were+形容詞/名詞/介詞短語(yǔ)+過(guò)去時(shí)間；否定形式①was/were+not;②在行為動(dòng)詞前加didn't，同時(shí)還原行為動(dòng)詞；一般疑問(wèn)句Did+主語(yǔ)+do+其他。

二、過(guò)去進(jìn)行時(shí)可以表示在過(guò)去某個(gè)時(shí)間點(diǎn)發(fā)生的事情。時(shí)間點(diǎn)可以用介詞短語(yǔ)、副詞或從句來(lái)表示。如：
What was she doing at nine o‘clock yesterday? 昨天晚上九點(diǎn)她在做什么？ (介詞短語(yǔ)表示時(shí)間點(diǎn))
When I saw him he was decorating his room. 當(dāng)我看見(jiàn)他的時(shí)候他正在裝飾房間。 (when從句表示時(shí)間點(diǎn))

三、在復(fù)合句中，如果主要?jiǎng)幼骱捅尘皠?dòng)作都是延續(xù)的或同時(shí)發(fā)生的，那么主從句的動(dòng)詞都可用過(guò)去進(jìn)行時(shí)。例如：
While he was waiting for the bus, he was reading a newspaper.他邊等車(chē)邊看報(bào)。 (兩個(gè)動(dòng)作都是延續(xù)的)
He was cleaning his car while I was cooking. 他擦車(chē)時(shí)我在做飯。(兩個(gè)動(dòng)作同時(shí)進(jìn)行)

四、 通常不能用于過(guò)去進(jìn)行時(shí)的動(dòng)詞主要有：agree, be, believe, belong, care, forget, hate, have(擁有), hear, know, like, love, mean, mind, notice, own, remember, seem, suppose, understand, want, wish等。例如：
誤：I was knowing the answer.
正：I knew the answer. 我知道答案。
誤：I wasn‘t understanding him.
正：I didn‘t understand him. 我不明白他的意思。

句型：
肯定句：主語(yǔ)+was/were+doing+其它
否定句：主語(yǔ)+was/were+not+doing+其它
一般疑問(wèn)句及答語(yǔ)：Was/Were+主語(yǔ)+doing+其它
特殊疑問(wèn)句：特殊疑問(wèn)詞+was/were+主語(yǔ)+doing+其它

一般過(guò)去時(shí)
一般過(guò)去時(shí)表示過(guò)去某個(gè)時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài)。常和表示過(guò)去的時(shí)間狀語(yǔ)連用。如:last year, yesterday,once等

一般過(guò)去時(shí)由動(dòng)詞的過(guò)去式表示,動(dòng)詞be有was, were兩個(gè)過(guò)去式,was用于第一、三人稱(chēng)單數(shù),were用于其他情況。在構(gòu)成否定及疑問(wèn)句時(shí),一般都借助助動(dòng)詞did, 動(dòng)詞be有其獨(dú)特的疑問(wèn)及否定形式(基本上和一般現(xiàn)在時(shí)一致)。

1）在確定的過(guò)去時(shí)間里所發(fā)生的動(dòng)作或存在的狀態(tài)。
時(shí)間狀語(yǔ)有：yesterday, last week, an hour ago, the other day, in 1982等。
Where did you go just now?

2）表示在過(guò)去一段時(shí)間內(nèi)，經(jīng)常性或習(xí)慣性的動(dòng)作。
When I was a child, I often played football in the street.
Whenever the Browns went during their visit, they were given a warm welcome.

3）句型：
It is time for sb. to do sth "到……時(shí)間了" "該……了"
It is time sb. did sth. "時(shí)間已遲了" "早該……了"
It is time for you to go to bed. 你該睡覺(jué)了。
It is time you went to bed. 你早該睡覺(jué)了。
would (had) rather sb. did sth. 表示'寧愿某人做某事'
I'd rather you came tomorrow.

4) wish, wonder, think, hope 等用過(guò)去時(shí)，作試探性的詢(xún)問(wèn)、請(qǐng)求、建議等。
I thought you might have some. 我以為你想要一些。

比較：
一般過(guò)去時(shí)表示的動(dòng)作或狀態(tài)都已成為過(guò)去，現(xiàn)已不復(fù)存在。
Christine was an invalid all her life.
(含義：她已不在人間。)
Christine has been an invalid all her life.
(含義：她現(xiàn)在還活著)
Mrs. Darby lived in Kentucky for seven years.
(含義：達(dá)比太太已不再住在肯塔基州。)
Mrs. Darby has lived in Kentucky for seven years.
( 含義：現(xiàn)在還住在肯塔基州，有可能指剛離去)

注意：用過(guò)去時(shí)表示現(xiàn)在，表示委婉語(yǔ)氣。
1）動(dòng)詞want, hope, wonder, think, intend 等。
Did you want anything else?
I wondered if you could help me.
2）情態(tài)動(dòng)詞 could, would.
Could you lend me your bike?
?