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动名词的时态,语态

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(1)时态

①一般式:动名词的一般式所表示的动作可以是泛指,也可与谓语动词同时发生,或发生在谓语动作之前或之后,如:

We are interested in collecting stamps.

I shall never forget seeing the Great Wall for the first time.

We are not afraid of dying.

②完成式所表示的动作发生在谓语动词之前,如:

Imagine having travelled on the moon.

We were praised for having finished the work ahead of time.

(2)被动语态

①如果动名词的逻辑主语为动名词所表示的动作的承受者,动名词要用被动语态,动名词的被动语态有一般式与完成式之分,如:

The young man came in without being noticed.

He prided himself on having never been beaten in class.

②有些动词后的动名词用主动形式,但表示被动意义,如:

The bike needs repairing.

If a thing is worth doing,it is worth doing well.

⒋在口语中,为避免重复,常用“to”代替不定式结构,有时甚至可以把to省略,如:

①-Did you go to visit the Great Wall

-No,I wanted to,but there wasn't enough time.

②-Would you like to come to a party

-I'd love to.

③-Don't make any mistakes in your homework,will you

-I'll try not to.

④-Try to be back by 12,won't you

-OK,I'll try.

另外,be going to,ought to,used to等也常用于这一结构中。