英语四级需要掌握的语法包括：
1.时态：时态是指动词的时间形式。英语中，时态主要分为过去式、现在式和将来式。例如：
- 过去式：I went to the cinema yesterday.
- 现在式：I am studying English.
- 将来式：I will go to Beijing next month.
2.语态：英语中有两种语态，分别是主动语态和被动语态。例如：
- 主动语态：He wrote the letter.
- 被动语态：The letter was written by him.
3.虚拟语气：虚拟语气指的是表示假设、愿望等情况的语气。例如：
- 如果我是你，我会去旅行。If I were you, I would travel.
- 我希望我有一个大家庭。I wish I had a big family.
4.并列连词：并列连词用于连接相同或类似的词、短语和句子。例如：
- 词：I like swimming and running.
- 短语：I ate breakfast, brushed my teeth, and left for work.
- 句子：I love watching movies, but I hate going to the cinema alone.
5.从句：从句是一种句子结构，包括主从关系和连接词。例如：
- I will go to bed after I finish my homework.
- It is important that you study hard.
以上就是英语四级需要掌握的一些基本语法知识和例子。
