过去分词作定语与被动语态的区别

1、前置定语

单个的过去分词作定语,通常放在被修饰的名词之前,表示被动和完成意义。

A类:被动意义:

an honored guest 一位受尊敬的客人

The injured workers are now being taken good care of in the hospital.

受伤的工人现正在医院受到良好的照料。

B类:完成意义:

a retired teacher 一位退休的教师

They are cleaning the fallen leaves in the yard.

他们正在打扫院子里的落叶。

2、后置定语

过去分词短语作定语时,通常放在被修饰的名词之后,它的作用相当于一个定语从句。如:

This will be the best novel of its kind ever written (=that has ever been written).

这将是这类小说中写得最好的。

Who were the so-called guests invited (=who had been invited) to your party last night?

昨晚被邀请参加你的晚会的那些所谓的客人是谁呀?

被动语态　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
　　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
　　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
　　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
　　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
　　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
　　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
　　There are two books to be read. →
　　There are twenty more trees to be planted.

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