以下是20个一般过去时的英语句子：

1. I went to the park yesterday.

2. She read a book last night.

3. He played football with his friends on Sunday.

4. We had a delicious dinner at the restaurant.

5. They watched a movie together last weekend.

6. I finished my homework before dinner.

7. She sang a song at the karaoke night.

8. He bought a new car last month.

9. We visited our grandparents last week.

10. They played tennis in the afternoon.

11. I called my friend on the phone yesterday.

12. She cleaned her room before her friends came over.

13. He wrote a letter to his pen pal.

14. We went for a hike in the mountains.

15. They danced all night at the party.

16. I ate an ice cream after lunch.

17. She watched TV for an hour last night.

18. He played the guitar at the concert.

19. We played soccer in the park after school.

20. They had a picnic by the river.

一般过去时用于描述过去某个时间发生的动作或状态，通常与表示过去的时间状语连用，如yesterday、last night、on Sunday等。在这些句子中，动词的过去式形式表示了动作在过去发生。例如，“I went to the park yesterday.”中的“went”是“go”的过去式，表示“我去公园”这个动作发生在昨天。

这些句子涵盖了各种不同的日常活动和场景，从简单的日常行为，如吃饭、看电影、打扫房间，到更具体的娱乐活动，如唱歌、跳舞、参加聚会等。这些例子不仅有助于理解一般过去时的基本用法，还可以帮助读者在实际生活中运用这一时态。

此外，这些句子还展示了不同主语（如I、she、he、we、they）和动词形式（如went、read、played等）的组合，以展示一般过去时的多样性和灵活性。通过这些例子，读者可以更好地掌握一般过去时的用法，并在实际写作和口语中加以应用。