根据(完整版)英语过去完成时的句型转换总结
根据(完整版)英语过去完成时的句型转换总结
根据英语语法中的过去完成时，我们可以将一句句子转换成过去完成时的形式。过去完成时用于表示在过去某个时间点或动作之前已经发生或完成的动作。下面是对英语过去完成时的句型转换总结：
一般句型转换
1. 一般现在时转换成过去完成时：
- 原句：I have seen that movie before.
- 过去完成时：I had seen that movie before.
2. 一般过去时转换成过去完成时：
- 原句：She went to the store yesterday.
- 过去完成时：She had gone to the store yesterday.
3. 现在进行时转换成过去完成时：
- 原句：We are eating lunch now.
- 过去完成时：We had been eating lunch.
4. 过去进行时转换成过去完成时：
- 原句：They were playing soccer at 5 PM.
- 过去完成时：They had been playing soccer at 5 PM.
5. 现在完成时转换成过去完成时：
昨天已成过去- 原句：He has written three books.
- 过去完成时：He had written three books.
6. 过去完成时转换成过去完成时（保持不变）：
- 原句：She had already finished her homework.
- 过去完成时：She had already finished her homework.
否定句型转换
1. 一般现在时的否定句转换成过去完成时的否定句：
- 原句：I haven't seen that movie before.
- 过去完成时：I hadn't seen that movie before.
2. 一般过去时的否定句转换成过去完成时的否定句：
- 原句：She didn't go to the store yesterday.
- 过去完成时：She hadn't gone to the store yesterday.
3. 现在进行时的否定句转换成过去完成时的否定句：
- 原句：We are not eating lunch now.
- 过去完成时：We hadn't been eating lunch.
4. 过去进行时的否定句转换成过去完成时的否定句：
- 原句：They weren't playing soccer at 5 PM.
- 过去完成时：They hadn't been playing soccer at 5 PM.
5. 现在完成时的否定句转换成过去完成时的否定句：
- 原句：He hasn't written three books.
- 过去完成时：He hadn't written three books.
6. 过去完成时的否定句转换成过去完成时的否定句（保持不变）：
- 原句：She hadn't already finished her homework.
- 过去完成时：She hadn't already finished her homework.
这些是英语过去完成时的句型转换总结。希望对你的学习有所帮助！

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