四年级英语语法讲解：主动与被动

[10-15 23:20:14] 来源：http://www.xiaozhibei.com 四年级英语知识点 阅读：9813次

英语的应用越来越广泛了，我们必须好好来学习英语知识。对此www.xiaozhibei.com小学频道编辑为大家整理了四年级英语语法讲解：主动与被动。详情如下：

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)。

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。

希望大家能够认真阅读这篇四年级英语语法讲解：主动与被动，以便在英语学习上取得优异的成绩。