动名词具有名词的性质,因此在句中可以作主语、表语、宾语、定语等。现在进行时中的动词加ing
1作主语 动名词作主语,谓语动词一般用单三形式。动名词作主语,在动词的基础上加Ing,使该动词或动词短语,有名词的各种特征,可作名词灵活使用。Reading is an art. 读书是一种艺术。
Climbing mountains is really fun. 爬山真是有趣。Working in these conditions is not a pleasure but a suffer. 在这种工作条件下工作不是一件愉快的事而是一件痛苦的事。
2作宾语 某些动词后出现非限定性动词时只能用动名词作宾语,不能用不定式。常见的此类动词有:admit,appreciate,excuse,stand,advise,allow,permit,avoid,consider,enjoy,finish,give up,cannot help,imagine,include,keep,understand,keep on,mind,report,risk,miss,put off,delay,practise,resist,suggest,depend on,think about,set about,succeed in,worry about,burst out,insist on,can't help,feel like,be used to,get used to,devote…to…,look forward to,pay attention to,get down to,escape 等。如:They went on walking and never stopped talking.他们继续走,说个不停。I found it pleasant walking along the seashore.
在海滩上走真是乐事。
3作表语 动名词作表语时句子主语常是表示无生命的事物的名词或what引导的名词性从句。表语动名词与主语通常是对等的关系,表示主语的内容,主语、表语可互换位置。Your task is cleaning the windows. 你的任务就是擦窗户。(Cleaning the windows is your task.)What I hate most is being laughed at. 我最痛恨的就是被别人嘲笑。(Being laughed at is what I hate most.)
4作定语 动名词作定语往往表示被修饰词的某种用途。如:
a walking stick =a stick for walking=a stick which is used for walking
a washing machine=a machine for washing=a machine which is used for washing
动名词的时态和语态如下:
主动语态 被动语态
一般式 doing being done
完成式 having done having been done
其否定形式是在doing前加上not
1、动名词一般式表示的动作通常是一般性动作,即不是明确地发生在过去、现在或将来的动作,或是与谓语动词所表示的动作同时发生的动作。如:
I hate talking with such people. 我讨厌与这样的人说话。
Being careless is not a good habit. 粗心不是一个好习惯。
2、动名词的完成式表示的动作发生在谓语动词动作之前。如:
I don’t remember having met him before. 我记不得以前见过他。
Thank you for having taken so much trouble to help. 谢谢你费力帮忙。
3、动名词的逻辑主语同时也是动名词动作的承受者,动名词用被动语态。
1.它的一般式表示的动作与谓语动词动作同时发生,或在其前发生。如:
I don’t like being laughed at in public. 在公共场合下,我不喜欢被别人嘲笑。
2.它的完成式表示的动作发生在谓语动词之前。如:
I am very pleased at your having been honoured with a medal. 我很高兴你能获得这样的奖牌。
3.在某些动词,我们常用动名词的一般式表示完成式,尽管动作发生在谓语动词动作之前,这似乎是一种强大的习惯。如:
Excuse me for being late. 我来晚了请你原谅。
I don’t remember ever meeting somewhere. 我记不得原来在什么地方见过。
Thank you for giving us so much help. 谢谢给我们这么大的帮助。
4.在多数情况下都避免使用动名词被动语态完成式,而用一般式代替,以免句子显得累赘,尤其是在口语中。如:
I forget once being taken (having been taken ) to the city zoo. 我曾被带到过这个动物园,可我忘了。
5.动名词被动语态一般式与现在分词被动语态一般式同形,但无进行意义,being不可省略。如:
She is afraid of being taken to the public. 她怕被领到大众面前。
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