关于英语被动语态的详解和例句？(被动语态的用法)

被动语态是英语中常用的一种表达方式。用好了被动语态的用法，可使自己的作文加分。

被动语态的用法：

1.一般现在时的被动语态构成：is/am/are+及物动词的过去分词 ；

例句:

Our classroom is cleaned everyday.

I am asked to study hard. Knives are used for cutting things.

2.一般过去时的被动语态构成：was/were+及物动词的过去分词 ;

例句:

A new shop was built last year.

Dinosaur eggs were laid long long ago.

3.现在完成时的被动语态构成：has/have+been+及物动词的过去分词；

例句:

This book has been translated into many languages.

Many man-made satellites have been sent up into space by many countries.

4.一般将来时的被动语态构成：will+be+及物动词的过去分词 ；

例句:

A new hospital will be built in our city.

Many more trees will be planted next year .

5.含有情态动词的被动语态构成：

情态动词+be+及物动词的过去分词；

例句:

Young trees must be watered often Your mistakes should be corrected right now.

The door may be locked inside.

Your homework can be handed in tomorrow.

6.现在进行时的被动语态构成：am/is/are+being+及物动词的过去分词；

例句:

Uncle Wang is mending my bike now.

→ My bike is being repaired by Tom now.

They are planting trees over there.

→Trees are being planted over there by them.

7.不定式的被动语态：

to+be+及物动词的过去分词 ；

例句:

There are two books to be read.

→There are twenty more trees to be planted.