在备战考研英语的过程中，掌握关键句型是提升语法能力的关键。以下是一些考研英语语法重点句型：
1. 现在完成时：主语 + have/has + 过去分词
例如：I have finished my homework.
2. 过去完成时：主语 + had + 过去分词
例如：He had finished his work before I arrived.
3. 现在完成进行时：主语 + have/has been + 现在分词
例如：She has been waiting for you for a long time.
4. 过去完成进行时：主语 + had been + 现在分词
例如：They had been working on the project for two months.
5. 现在完成时被动语态：主语 + have/has been + 过去分词
例如：The book has been translated into many languages.
6. 过去完成时被动语态：主语 + had been + 过去分词
例如：The house had been painted before they moved in.
7. 现在完成时+since：主语 + have/has + 过去分词 + since + 时间点
例如：I have lived in this city since 2018.
8. 过去完成时+before：主语 + had + 过去分词 + before + 时间点
例如：I had finished my work before he arrived.
9. 现在完成进行时+for：主语 + have/has been + 现在分词 + for + 时间段
例如：I have been working on this project for two weeks.
10. 过去完成进行时+for：主语 + had been + 现在分词 + for + 时间段
例如：They had been waiting for the train for an hour.
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