我们都知道，在大学英语四级考试中，单独考察英语四级语法的题型很少，但是英语四级语法知识点却贯穿整张试卷，下面是新东方网英语四级频道为大家整理的大学英语四级语法知识，希望可以为大家带来帮助。

2017年12月大学英语四级语法大全目录

12. 动词的语态

语态有两种：主动语态和被动语态。

主语是动作的发出者为主动语态;主语是动作的接受者为被动语态。

1)若宾语补足语是不带to 的不定式，变为被动语态时，该不定式前要加"to"。此类动词为感官动词。

feel, hear, help, listen to, look at, make, observe, see, notice, watch

The teacher made me go out of the classroom.

--> I was made to go out of the classroom (by the teacher).四级考试时间

We saw him play football on the playground.

--> He was seen to play football on the playground.

2)情态动词+ be +过去分词，构成被动语态。

Coal can be used to produce electricity for agriculture and industry.

2017年12月大学英语四级语法大全目录