什么是过去进行时？
过去进行时（Past Continuous Tense）表示在过去某个特定时间点或时间段内正在发生的动作。
例如：
- He was playing basketball at 3 PM yesterday.
- They were studying when the teacher arrived.
构成方式：
肯定句
主语 + was/were + 动词-ing
I was reading.
They were writing.
否定句
主语 + was/were + not + 动词-ing
She was not watching TV.
We were not playing.
疑问句
Was/Were + 主语 + 动词-ing?
Was he cooking?
Were you listening?
小练习：用动词的适当形式填空
1. They ______ (watch) TV when I arrived.
2. He ______ (play) football at 4 PM yesterday.
过去进行时的用法
用法一：特定时间点正在发生的动作
表示在过去某个具体时间点，某个动作正在进行。
常用时间状语：
- at 8 o'clock last night (昨晚8点)
- this time yesterday (昨天这个时候)
- at that moment (在那一刻)
例句：At 7 PM yesterday, I was having dinner.
用法二：两个过去动作同时进行
表示在过去某个时间段内，两个动作同时发生。
常用连词：
- while (当...时候)
- as (一边...一边...)
例句：She was reading while he was cooking.
用法三：一个动作被另一个动作打断
表示一个长动作正在进行时，被一个短动作打断。
常用连词：
- when (这时，突然)
- suddenly (突然)
例句：We were talking when the phone rang.
用法四：过去一段时间内持续的动作
表示在过去某个时间段内，某个动作一直在持续进行。
常用时间状语：
- all morning (整个上午)
- the whole day (一整天)
- for three hours (持续了三个小时)
例句：They were working all night.
常见时间状语
过去进行时 vs 一般过去时
过去进行时和一般过去时都描述过去发生的动作，但它们有重要区别：
| 方面 | 过去进行时 (Past Continuous) | 一般过去时 (Simple Past) |
|---|---|---|
| 含义 | 强调动作在过去某个时间点正在进行 | 强调动作在过去发生并完成 |
| 持续时间 | 通常是持续一段时间的动作 | 通常是短暂的、一次性的动作 |
| 时间状语 | at 8 last night, this time yesterday, while | yesterday, last week, ago, when |
| 例句 | He was reading a book at 9 PM. | He read a book last night. |
对比示例：
过去进行时 (持续的背景动作)
She was cooking dinner.
(她正在做饭 - 强调过程)
一般过去时 (短暂的动作)
She cooked dinner.
(她做了晚饭 - 强调结果)
同时发生的动作：
While I was studying, my sister was watching TV.
(两个持续动作同时进行)
被打断的动作：
When the phone rang, I was taking a shower.
(长动作被短动作打断)
选择填空：用过去进行时或一般过去时
1. When I ______ (arrive) at the party, everyone ______ (dance).
2. He ______ (break) his leg while he ______ (play) football.
3. They ______ (study) for the exam all weekend.
综合练习
练习一：将下列句子变为否定句
1. She was watching TV.
2. They were playing basketball.
3. I was reading a book.
练习二：将下列句子变为疑问句
1. He was studying.
2. We were cooking dinner.
3. The children were sleeping.
练习三：对划线部分提问
1. They were playing football.
2. She was studying at 7 PM.
3. He was reading in the library.
记忆小口诀
过去进行时记忆口诀
过去进行并不难，
was/were加ing在中间。
否定句，很简单，
not放在was/were后面站。
疑问句，也容易，
was/were提到最前面。
过去某时正发生，
持续进行或背景。
when打断while同时，
牢记用法不再混！
常见错误提醒
- 不要漏掉be动词(was/were)
- 动词要加-ing形式
- 注意was和were的正确使用
- 区分过去进行时和一般过去时的用法
学习建议
- 多做对比练习，熟悉两种时态的区别
- 尝试用过去进行时描述一天中不同时间点正在做的事情
- 阅读短文，找出其中的过去进行时句子
- 多听英语对话，注意过去进行时的发音和用法