非谓语动词作主语和定语.ppt

非谓语动词作主语
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一、动名词（）作主语
Losing him was blue like I’d never known
Missing him was dark grey all alone
Forgetting him was like trying to know somebody you’ve never met
But loving him was red~~~
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一. The usage of V-ing form used as subject
动名词做主语往往表示经常性****惯性的动作或状态。
Watching news on TV has become a routine for me.(经常性****惯性的动作)
Talking is easier than doing.(状态）
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一. 动名词做主语的3种句型
(1)动名词直接置于句首。
Talking is easier than doing.
(2)Ving 形式作主语时常后置,用it作形式主语
It is a waste of time doing sth
(3)There be 结构中作主语：
A. There is +no doing
B. There is no point doing
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(1)动名词直接置于句首。
Watching news on TV has become a routine for me.
Seeing is believing.
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(2)V-ing 形式作主语时常后置,用it作形式主语。
is
a waste of time
.
形式主语
真正主语
It
is
a waste of time
playing video games
.
playing video games
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常见句式:
It is no good/no use/ useless doing sth
做、、、没有用的
It is a waste of time doing sth
做、、、是浪费时间的
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(3)There be 结构中作主语：
A. There is no+doing 表示不可能做某事
例子：
There is no knowing the future ==we can’t know the future. 我们不可能知道未来发生什么
There is no telling what he is going to do．说出他要干什么是不可能的。
There is no saying what may happen. 说出将要发生什么是不可能的。
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is no point doing 做某事没有意义
There’s no point having wishes if you don’t at least try to do them.
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Talking is easier than doing.
Losing him was blue like I’d never known.
Missing him was dark grey all alone.
动名词作主语时，单个V-ing 做主语，谓语动词用单数。
Collecting stamps and running are his hobby.
两个或两个以上表达不同意义的V-ing 作主语，谓语动词用复数。
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