動名詞在句中起名詞的作用，可以充當主語、表語、賓語(動詞賓語或介詞賓語)，動名詞的用法解析及四級真題實例分析。它可以有自己的定語、賓語或狀語。
1)動名詞作主語
Seeing is believing. Talking mends no ng a cold shower every morning does him a lot good.____in an atmosphere of simply living was what her parents wished for. (CET-4 1999,1)
A) The girl to be educated
B) The girl educated
C) The girl's being educated
D) The girl was educated
動名詞和不定式都可以做主語。不定式做主語表示具體的動作，動名詞做主語則可以表示抽象或一般性的動作或情況。根據句意，這個女孩在樸素的生活環境中接受教育是她的父母所希望的，接受教育不是具體的`一次性動作，因此用動名詞，答案為C。當動名詞做主語時，我們常用先行詞it作形式主語，而把真正的主語動名詞放到句尾，特別要注意如下結構：It is useless (no use, no good, no harm) doing... It is a waste of time doing... It is worthwhile doing...
【例如】
It is no use crying over spilt is a waste of time discussing such matters with is no good leaving today's work for tomorrow.
2)動名詞作動詞賓語
動名詞作動詞賓語是大學英語四級考試的重要內容，大學英語《動名詞的用法解析及四級真題實例分析》。
a)英語中有些動詞後面只能跟動名詞作它的賓語 。這類動詞常見的有：admit, advice, anticipate, appreciate, avoid，consider, delay，deny，dislike, enjoy，escape，excuse, fancy，favor, finish，imagine，include , keep, mind，miss, postpone, practise，prevent , propose, resist, risk, suggest等。
【例如】
Mike often attempts to escape being fined whenever he breaks traffic doctor suggested that I avoid smoking and drinking for a d you mind opening the window?The murderer denied killing the rich man.I would appreciate ____it a secret. (CET-4 1995,6)
A) your keeping B) you to keep
C) that you keep D) that you will keep
appreciate後面一般加動名詞做賓語，動名詞可以有自己的邏輯主語，因此答案為A。
That young guy still denies____the fire behind the store. (CET-4 2000,12)
A) to start B)shavingsstarted
C) start D) to have started
Deny後面加動名詞作賓語，而且引發火災是在否認這一動做之前，所以用動名詞的完成式，答案為B。
b)動名詞在demand, deserve, need, require, want等動詞後面作賓語時，表示被動的意
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