动名词与动词不定式作主语的区别
1.不定式作主语经常
表
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具体的动作,常与特定的连用。
动名词作主语经常表示抽象的动作,一般不与特定的执行者连用。(动名词主要强调一种现象)。
Eg. Doing exercise is good for our health.(抽象)
To do some exercise is good for you.(具体)
It is not very good for you to smoke so much.(具体)
Smoking is bad for our health.
To smoke is not good for you.
Climbing mountains is interesting.
It is interesting for him to climb mountains.
Driving a car during the rush hour is tiring.
( B ) is a good form of exercise for both young and old.(指现象)
A. The walk B.Walking C.To walk D.Walk
2.It's no good/use/fun+doing sth. eg.It's no use talking to him again.
It's no good eating too much fat. 但如果加了执行者,应该用:It's no good for you to eat too much fat.
3.It is dangerous climbing a tree.
It is terrible not being allowed to smoke at all.
It is nice helping other people.
It is interesting planning a holiday. 但important,necessary,possible,impossible...等形容词不能用上述结
构:
eg: It's important learning foreign languages.(×)
It's important to learn foreign languages.(?)
4.主语与表语必须一致。
Eg. To see is to belive.(?)
Seeing is believing.(?)