一般现在时被动语态

一般现在时的被动语态，其主要结构为:主语(动作接受者) + is / am / are + 动词的过去分词+ (by+ 动作执行者)。

被动语态的句型总结如下:

1.肯定句:主语 + be + 过去分词 + (by ).

The boy is called Jack.

2.否定句:主语 + be not+ 过去分词 + (by ).

The baby is not looked after by his father.

3.一般疑问句:Be +主语 + 过去分词 + (by ).

Is King Lear written by Shakespeare?

4.特殊疑问句:特殊疑词+ be + 过去分词 + (by ).

What is this kind of sweater made of?

被动语态的用法:

(1)要表达“被…” 、“受…”、“让…”、“遭…”之类的语义。

The teachers are well respected.

The child is well loved by people.

(2)强调动作承受者。

He is known far and wide.

他远近闻名。

(3)不知道式没有必要指出动作的执行者。

The room is cleaned every day.

房子每天都有人打扫。

(4)为礼貌起见避免提及动作执行者。