剑桥KET语法：过去进行时

　　过去进行时表示在过去某个时间点或时间段正在发生或进行的动作或状态。

　　1、过去进行时的结构

　　2、过去进行时的基本用法

　　(1)表示过去某个时间段一直进行的动作，常和时间状语 this morning、the whole morning、all day yesterday、when、while 等连用，如：

　　We were playing computer games from nine to ten last night.

　　我们昨天晚上九点到十点的时候在玩电脑游戏。

　　( 注：from nine to ten last night 是过去的一个时间段，用过去进行时)

　　I hurt myself while I was riding the bicycle.

　　我骑自行车的时候伤了自己。

　　(注：说话者骑自行车期间，表明的是过去一个时间段，用过去进行时)

　　(2)表示在过去某个时间点正在发生的事情或存在的短暂状态，如：

　　What were you doing at ten o'clock yesterday?

　　你昨天十点在干什么?

　　( 注：at ten o'clock yesterday 为介词短语，表示过去的时间点，用过去进行时)

　　She was being enthusiastic.

　　她当时表现得很热情。

　　(注：说明“她很热情”是过去某一时间的短暂状态)

　　(3)表示过去某一动作发生时，另一动作正在进行，如：

　　When I called him,he was taking bath.

　　我打电话给他时，他正在洗澡。

　　(注：表示说话者打电话时，洗澡的动作正在进行，用过去进行时)

　　(4)与频率副词 always 、often 、usually 等连用，表示过去一直在进行的动作，如：

　　You are always changing your mind.

　　你总是改变自己的想法。

　　3、单项选择：请从下列选项中选出正确的选项。

　　1.I __________ a meal last night when my friend called me.

　　A.was cooking B.cooked C.am cooking

　　2.We __________ when the teacher came in.

　　A.were talking B.was talking C.talked

　　3.They __________ football from eight to ten last morning.

　　A.played B.are playing C.were playing

　　4.I __________ a book when you saw me yesterday morning.

　　A.was reading B.am reading C.read

　　5.I was listening to music while my mother __________ clothes.

　　A.was washing B.is washing C.wash

　　6.While she __________ TV,she heard a sound outside the house.

　　A.were watching B.was watching C.watched

　　4、用所给动词的过去进行时完成下列句子。

　　1.It __________ (rain)heavily at this time yesterday.

　　2.She __________ (watch)TV when I went to see her yesterday.

　　3.They __________ (have)lunch when I got to their house.

　　4.I met an old friend when I __________ (walk)in the street yesterday morning.

　　5. Mike fell while he __________ (jump)up and down.

　　6. She __________ (clean)the room when I went to see her.

　　7.The little girl was singing while her mother __________ (play)the piano.

　　8. We __________ (have)dinner when the phone rang.

　　5、划掉斜体部分中错误的单词。

　　1.I was/were cooking at that time.

　　2.We werelare playing the piano from seven to nine yesterday.

　　3.She was watching/watched TV at that moment.

　　4.They were/was listening to the music at that time.

　　5.We were read/reading books when he came in.

　　6.The little girl was/were crying at that time.