【一般过去时】是英语语法中的一个重要概念，它用来表示在过去某一特定时间发生的动作或状态。这个时态通常与过去的时间状语（如yesterday, last week, in 2010等）连用。在一般过去时中，动词需要变成其过去式形式。
一、以下是给出的动词过去式的变形：
1. am/is -> was
2. do -> did
3. go -> went
4. have -> had
5. isn’t -> wasn’t
6. aren’t -> weren’t
7. spend -> spent
8. cook -> cooked
9. read -> read
10. clean -> cleaned
11. live -> lived
12. study -> studied
二、补全对话：
1. — How was your weekend? — It was great.
— What did you do last weekend? — I did some homework.
2. — What did she do last weekend? — She went to the beach.
3. — What did they do last weekend? — They went to the movies.
三、用括号内单词的适当形式填空：
1. We enjoyed ourselves at the party last night.
2. Jack studied for the English test last Sunday.
3. Did you go to the Great Wall last year?
4. What day was it yesterday?
5. The old man was ill and went to see a doctor.
6. We had a party last night.
7. We visited the museum and went home.
8. — How were the students? — They were very friendly.
9. He often has supper at home. Today he had supper at school.
10. — Did he have lunch at nine? — No, he didn’t.
11. They bought a guitar yesterday.
四、句型转换：
1. He didn't come here last month.
2. —Did they play football this morning? —Yes, they did. / No, they didn't.
3. Where did they go last year?
4. Did Tom watch TV last night?
5. Mary did her homework last night.
五、选择填空：
1. D. left
2. B. Did, have
3. C. arrived, wrote
在使用一般过去时时，需要注意以下几点：
1. 过去式的变化规则：有些动词是规则变化（如go->went），而有些则是不规则变化（如do->did）。
2. 在疑问句中，助动词do/did应放在主语之前，且动词变为原形。
3. 否定句中，要在动词前加didn't，并将动词还原为原形。
4. 特殊疑问句中，疑问词+did+主语+动词原形+其他？
5. 对过去发生的事情进行描述时，要确保所有的动词都是一般过去时的形式，以保持时态一致。
掌握好一般过去时的用法对于英语学习者来说至关重要，因为它能帮助我们准确地表达过去发生的事件和经历。通过练习和应用，可以逐步提高在实际对话和写作中使用一般过去时的熟练度。
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