本文目录
动名词和to do做主语区别
to do和doing
作主语的区别
1
）一般来说，表示比较抽象的行为动作时多用动名词
doing
；表示比较具体的
某次行为动作时多用不定式
to do
。如：
No smoking is permitted here.
It is not very good for you to smoke so much.
Reading more is necessary.
It is quite necessary to read it again.
2
）在许多情况下，两者可以互换，意义上没有太大的差别。如：
Seeing him happy made me happy too.
It made me happy to see him happy.
It is useless learning something without practising it.
It is useless to learn something without practising it.
3
）不定式
to do
作主语时，常使用形式主语结构；而动名词
doing
作主语时，
较少用形式主语结构，只有在
It is no good, It is no use, It is useless, It is
worthwhile
等句型中出现
it
作形式主语现象。如：
It is hard to make him change him mind.
It is not an easy thing to master a language.
How would it be to start tomorrow?
It took all his strength to move out of the crowds.
It seemed a pity to give up the chance.
Business is business and it will not do to be so careless.
It is no good pretending to know what you don't know.
It is no use regretting the past.
It is worthwhile learning another language.
4
）在
there is no ...
句型中的主语只能用动名词
doing
，并且不能带逻辑主语。
如：
There is no denying the fact.
Well, you have said it and there is no taking it back.
上述句子的意思如用不定式
to do
则分别为：
It is impossible to deny the fact.
Well, you have said it and it is impossible for you to take it back.
5
）
doing
作主语时强调的是做那件事的状态，而
to do
作主语时主要表示一般
现在时或者是将来时的事情
请采纳
动名词作主语后面跟什么
动名词作主语，后面动词用第三人称单数。 动名词相当于一个不可数的名词，用法和不可数名词用法基本相同。
动名词作主语谓语用三单吗
B?我看了一下，楼上两位说得也很对，我刚才忘记了伴随状语的用法，的确，当伴随状语来形容一件事或一个人时，确实不需要用be动词，刚才是我不对，抱歉了！
至于动名词作主语的问题，我想一个最简单的办法就是看这个整句里谓语上有没有动词出现，比如说：
Having a balanced diet is very important.
此句中，谓语上有be动词出现，要用动名词作主语，当然也可以写成：
To have a balanced diet is very important.
而在祈使句中就不要用，例如：
Shut the door ,please.
此句中谓语上没有动词的出现，所以就不要用。
以上全是个人总结，仅供楼主参考，如果楼主还有不会的，请发短信问我，谢谢！
动名词短语作后置定语总结
动名词短语可以作定语，放在名词的后面，称为后置定语。但这种后置定语前面一定有介词。如果是动词的-ing形式直接跟在一个名词的后面的话，这是现在分词，而不是动名词。
动名词由动词原形加词尾-ing而成，其构成方法与现在分词一样。
动名词既有动词性质，又有名词性质。
1)动名词的动词性质表现在：可有宾语和状语从而组成动名词短语。如：
I hope you don’t mind my saying it. 我希望你别介意我说的话。(有宾语it)
Are you for or against staying here? 你赞成还是反对留在这里?(有状语here)
2)动名词的名词性质表现在：在句中可用作主语、宾语等。如：
Traveling abroad can be very exciting. 出国旅行会是很激动人心的。(用作主语)
At Lent he gives up smoking and drinking. 在大斋期，他戒烟酒。(用作宾语)
动名词在句中可用作主语、表语、宾语、定语、同位语、补语等。
1)用作主语。如：
Seeing is believing. 百闻不如一见。
Saving is having. 节约即是收入。
在一些句子中，常用it作形式主语，将用作真实主语的动名词放在句未。it is可后接no use，no good，fun等名词。如：
It is no use crying over spilt milk. 覆水难收。
It is no good objecting. 反对也没有用。
It’s great fun sailing a boat. 扬帆驾舟是十分有趣的。
it is亦可后接useless，nice，good，interesting等形容词。如：
It is useless speaking. 光说没有用。
It’s so nice sitting here with you. 和你坐在一起真是愉快。
It’s good hearing English spoken. 听到人讲英语，我很高兴。
2)用作表语。如：
The main thing is getting there in time. 首要的事是及时到达那里。
His main extravagance is smoking. 他的主要嗜好是吸烟。
This is not playing the game. 这样做就不公正诚实了。
动名词作表语时与进行时态中的现在分词形式相同，但其所属结构迥异，二者不可混淆。试比较：
Her job was washing clothes. 她的工作是洗衣裳。(washing是动名词，用作表语)
She was washing clothes. 她在洗衣裳。(washing是现在分词，与was构成过去进行时，用作谓语)
3)用作宾语。如：
Have you finished reading the book? 你读完那本书了吗?
I suggest doing it in a different way. 我建议换一种方法做此事。
A person certainly loses when he gives up trying. 一个人放弃了努力就肯定一无所得。
动名词作为宾语，亦可用在复合宾语中。如：
The pain in my throat made speaking difficult. 我的喉咙痛，造成说话困难。
Do you find living here interesting? 你觉得住在这里有意思吗?
动名词亦可用作介词的宾语。注意，介系词后面一般只能接动名词做宾语，只有but、except后面可以用动词不定式来作宾语，如：
He has a strong objection to leaving early. 他极力反对早动身。
She is afraid of going out along. 她怕单独一个人出去。
Are you interested in buying second-hand books? 我对买旧书有兴趣吗?
介词有时可以省去。如：
He meant to go hunting. 他要去打猎。(省去on)
I have been some time answering this question. 我想了一些时间之后才回答这个问题。(省去in)
She spends a lot of money housing a family. 她给一家人提供房屋，要花很多钱。
What can prevent us getting married? 有什么能阻止我们结婚呢?(省去from)
4)用作定语。如：
Everybody was at his fighting post. 每一个人都守在自己的战斗岗位上。
They set up an operating table in a small temple. 他们将手术台架设在一座小庙。
He may be in the reading room, for all I know. 他说不定在阅览室里。
有些复合名词亦可用作定语。如：fact-finding committee 调查委员会 peace-keeping troops 维持和平部队
5)用作补语。如：
I call this robbing Peter to pay Paul. 我管这叫做拆东墙补西墙。(robbing用作宾语补语)
This is called turning things upside down. 这叫做把事物颠倒了。(turning是主语补语)
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