在小学升初中阶段，英语学习的重点之一就是掌握各种时态的运用。其中，过去进行时是一个非常重要的语法点。为了帮助同学们更好地理解和掌握这一知识点，我们特别整理了以下专项练习题。通过这些题目，同学们可以更加熟练地运用过去进行时来描述过去的某个时间正在发生的动作。
一、单项选择
1. 昨天晚上七点钟，我________电视。
A. 看
B. 正在看
C. 看了
2. 上周六下午三点钟，他们________足球。
A. 踢
B. 正在踢
C. 踢过
3. 那个时候，妈妈________晚饭。
A. 做
B. 正在做
C. 已经做了
4. 我________书包的时候，听到有人敲门。
A. 拿
B. 正在拿
C. 拿了
5. 上周日早上，爸爸________报纸。
A. 读
B. 正在读
C. 已经读完了
二、句型转换
6. She was playing the piano at that time. （改为一般疑问句）
________ she ________ the piano at that time?
7. They were having dinner when I arrived. （对划线部分提问）
________ they ________ when you arrived?
8. He was watching TV last night. （变为否定句）
He ________ ________ TV last night.
9. We were cleaning the classroom at that moment. （对划线部分提问）
________ ________ you ________ at that moment?
10. The children were flying kites in the park. （变为特殊疑问句）
________ ________ the children ________ kites in the park?
三、填空题
11. I ________ (write) a letter to my friend when it started raining.
12. She ________ (listen) to music while she was walking home.
13. They ________ (play) basketball on the playground at four o'clock yesterday afternoon.
14. My brother ________ (read) a book when I called him.
15. The teacher ________ (explain) the question to the students when the bell rang.
四、情景对话
16. A: What were you doing at 8 p.m. last night?
B: I ________ (watch) a movie with my family.
17. A: Where were you standing when the rain began?
B: I ________ (stand) under the tree near the school gate.
18. A: Why did you miss the bus?
B: Because I ________ (wait) for someone at that time.
19. A: What were your parents doing when you got home yesterday?
B: My father ________ (read) a newspaper, and my mother ________ (cook).
20. A: What were you doing when the earthquake happened?
B: I ________ (sleep), so I didn't notice anything unusual.
通过以上练习，相信同学们已经对过去进行时有了更深的理解和掌握。希望这些题目能够帮助大家在考试中取得更好的成绩！如果还有任何疑问，欢迎随时提问哦！
