动名词和不定式做主语的区别1.[Knowing how tostay alive] in the Arctic can be just as valid to a man whose car has brokendown in a blizzard in Britain.2.[To find asatisfactory] job is the hope of many who attend the evening classes at theb

动名词和不定式做主语的区别1.[Knowing how tostay alive] in the Arctic can be just as valid to a man whose car has brokendown in a blizzard in Britain.2.[To find asatisfactory] job is the hope of many who attend the evening classes at theb
动名词和不定式做主语的区别
1.[Knowing how tostay alive] in the Arctic can be just as valid to a man whose car has brokendown in a blizzard in Britain.
2.[To find asatisfactory] job is the hope of many who attend the evening classes at thebusiness school.
中括号里的为什么不能换成不定式和动名词,有什么区别?

动名词和不定式做主语的区别1.[Knowing how tostay alive] in the Arctic can be just as valid to a man whose car has brokendown in a blizzard in Britain.2.[To find asatisfactory] job is the hope of many who attend the evening classes at theb
事实上并没有本质的区别,但动名词更强调一种状态,ing嘛,表示“正在”在进行,等价于状态性；不定式更强调一种过程,to嘛,“去”做某事.know应该是一种状态性的动作,因此采用不定式形式,find应该是一种过程性动作,因此采用不定式.

1、动名词做主语往往表示普通的、一般的行为，不定式做主语常表示某次具体的行为。例如：
Collecting information about children’s health is his job. 收集有关儿童健康的信息是他的工作。
It’s necessary to discuss the problem with an experienced teacher. 与一位有经...

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1、动名词做主语往往表示普通的、一般的行为，不定式做主语常表示某次具体的行为。例如：
Collecting information about children’s health is his job. 收集有关儿童健康的信息是他的工作。
It’s necessary to discuss the problem with an experienced teacher. 与一位有经验的老师讨论这个问题是有必要的。
2、常用不定式做主语的句型有：
（1）It’s difficult (important, necessary) for sb. to do
（2）It’s kind (good, friendly, polite, careless, rude, cruel, clever, foolish, brave) of sb. to do.
3、常用动名词做主语的句型有：
It’s no good (use, fun) doing.
It’s (a) waste of time one’s doing.另:1)动名词作主语通常表示抽象动作；而不定式作主语表示具体动作。
Smoking is prohibited(禁止)here．这里禁止抽烟。(抽象)
It is not very good for you to smoke so much．你抽这么多烟对你身体很不好。(具体)
(2)动名词作主语时，通常用以表示一件已知的事或经验。
不定式短语通常用来表示一件未完成的事或目的。
Climbing mountains is interesting．爬山很有趣。(经验)
Driving a car during the rush hour is tiring．在高峰时刻开车令人厌烦。(经验)
(3）不定式做主语，一般用it当形式主语，把作主语的不定式短语后置。

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