动名词及分词
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现在分词与动名词的格式完全相同,如下:
* 一般形式: doing
* 完成形式: having done
* 一般形式的被动形式: being done
* 完成形式的被动形式: having been done
* 否定形式: 在前边加上not, 如not doing 和 not having done
虽然现在分词与动名词的格式完成相同,但它们在句子中的作用却是有明显的区别的。
1. 动名词相当于名词,所以在句子中可以充当的成分与名词类似,即主要充当主语、宾语、表语等成分。而现在分词的作用类似于副词和形容词,在句子主要充当状语、定语、补语、表语等。
Hearing the noise, they immediately stopped talking. 一听到有声音,他们立刻就停止谈话。(现在分词作状语)
He asked an embarrassing question. 他提了一个令人难堪的问题。(现在分词作定语)
I felt somebody patting me on my shoulder. 我感觉到有人拍了拍我的肩膀。 (现在分词作宾语补足语)
Growing roses is her hobby. 种玫瑰是她的爱好。 (动名词作主语)
She like talking very much. 她很喜欢讲话。 (动名词作宾语)
He insisted on writing at once. 我坚持马上就写。 (动名词作介词宾语)
2. 现在分词作定语时可以位于名词之前,也可以位于名词之后作后置定语。
We need to keep up with the fast changing world. 我们需要跟上快速变化的世界。
The girl singing in the next room is my friend. 隔壁房间正在唱歌的女孩是我的朋友。
现在分词作定语时,与动名词构成的合成词是有区别的。现在分词一般表示所修饰的名词的动作,而动名词表示用途,目的等。如:
1 / 2
动词的-ing形式包括现在分词和动名词两种形式。他们的句法功能如下:
动词的-ing形式如果作句子的主语或者宾语时,应该是动名词形式;如果作补语或者状语时,应该是现在分词形式。那么作表语或者定语的动名词和现在分词又该怎样区分呢?
(一)动名词和现在分词充当定语时的区别
1、动名词充当定语,通常用来表示所修饰词的用途。如:
fishing-rod钓鱼竿diving-board跳板dining-room餐厅,食堂
driving licence驾驶执照swimming pool游泳池
2、现在分词充当定语,所修饰的词与分词在逻辑上构成主谓关系。如:
dripping taps滴水的龙头growing crops生长中的庄稼
developing country发展中国家the swimming boy游泳的男孩
(二)动名词和现在分词充当表语时的区别
动名词作表语:主要是表示主语的具体内容,主语和表语的位置常常可以互换;现在分词作表语:主要是表示主语的特点和所处的状态,主语和表语的位置不可以互换。
如:
My job is teaching English.我的工作是教英语。=Teaching English is my job.(动名词作表语,表示主语“my job”的内容,表语和主语的位置可以互换。)
The film is disappointing.这部电影真令人失望。(现在分词作表语,表示主语“the film”的性质、特点,不能和主语互换。)
(三)作表语用的现在分词和进行时态的现在分词的区别
作表语用的现在分词表示主语的特征和性质,进行时态的分词表示主语正在进行的动作。如:
2 / 2
The situation in our country is encouraging.(系表结构)我国的形势鼓舞人心。
The situation in our country is encouraging the people.(现在进行时)我国的形势正鼓舞着人民。
现在分词呢,是由动词末尾加 -ing 形式构成,因此又叫动词的 -ing 形式。V+-ing
千万要注意V-ing形式的规则哟!
不能单独作谓语,没有人称和数的变化,可以有自己的宾语和状语。还有时态和语态的变化。见图
作主语:动名词
1 Teaching is my full-time job.
2 Writing an English composition is not easy.
3 It’s useless taking this kind of medicine.
作表语
(1)动名词
My job is teaching.
= Teaching is my job.
Her full-time job is laying eggs.
=Laying eggs is her full-time job.
(2)现在分词
The play is exciting.
≠ Exciting is the play.
The story he told us was very interesting.
≠Interesting was the story he told us.
作表语
(1)动名词
My job is teaching.
= Teaching is my job.
Her full-time job is laying eggs.
=Laying eggs is her full-time job.
(2)现在分词
The play is exciting.
≠ Exciting is the play.
The story he told us was very interesting.
≠Interesting was the story he told us.
作宾语:动名词
I have just finished doing my home work.
动名词(gerund)和现在分词(present participle)的区别
所谓动名词(gerund)就是名词,只是保有一些动词的功能.所以它在句中可以作主语,宾语,表语,同位语,定语等那些名词可以充当的成分.
而现在分词(present participle)相当于形容词,在句中作定语或者状语
(一) 1.作主语:
Doing exercise is good for our health.
Studying English is our task.学习英语是我们的任务。(studying作主语,是动名词。)
2.作表语:
Seeing is believing.
The situation is very inspiring.
One of the best exercises is swimming.
3.-ing形式在句中充当宾语:
He likes playing football.
他喜欢踢足球。(playing作宾语,是动名词。)
4. -ing形式在句中充当同位语
His ambition,conquering the whole world,was never fulfilled.他征服全世界 的野心从来没有实现。(conquering作同位语,是动名词。)
(二)不管是现在分词还是过去分词作状语,如果单独作状语,其逻辑主语必须和主句的主语一致。如果状语从句中的谓语动词为被动结构,就用过去分词;如果状语从句中的谓语动词为主动结构,就用现在分词。例如:
Working hard (If you work hard), you will succeed.
Hearing the news,he got very excited.他得知这消息后非常兴奋。(时间状语,听到…后,主动关系)
I saw him going upstairs.我看到他上楼的。(going作宾语补足语,是现在分词。)