在英语学习中，四级语法是一个重要的环节，它不仅关系到考试成绩，更关系到我们日常英语交流的准确性。下面，我将从关键知识点梳理和实战练习两个方面，帮助大家轻松掌握四级语法。
一、关键知识点梳理
1. 时态与语态
过去时
- 构成：主语 + was/were + 动词过去式
- 例句：I was playing football yesterday.
现在时
- 构成：主语 + am/is/are + 动词原形
- 例句：He is a teacher.
将来完成时
- 构成：主语 + had + 过去分词
- 例句：I had finished my homework before he came.
现在完成时
- 构成：主语 + have/has + 过去分词
- 例句：She has learned English for ten years.
过去完成时
- 构成：主语 + had + 过去分词
- 例句：He had finished his work when he went home.
现在进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：They are watching TV.
过去进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was reading a book when you called me.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been working for two hours by now.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was singing when you came in.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being interrogated by the police.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being taught how to drive a car.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized by my teacher.
现在进行进行时
- 构成：主语 + am/is/are + 现在分词
- 例句：She is being treated by a doctor.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：He was being scolded by his mother.
将来完成进行时
- 构成：主语 + will have been + 现在分词
- 例句：They will have been waiting for you for a long time.
过去进行进行时
- 构成：主语 + was/were + 现在分词
- 例句：I was being criticized