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動名詞的否定式是將否定詞not置于動名詞之前。若動名詞為完成式或被動式，否定詞not應(yīng)置于整個結(jié)構(gòu)之前。具體詳解如下：
一、動名詞一般式的否定式
動名詞一般式的否定式是將否定詞not置于動名詞之前。例如：
Our problem is not having sufficient raw material.
我們的問題是原料不足。
His not coming made everyone present very disappointed.
他沒來使在場的每個人都很失望。
Not being punctual makes him unreliable.
不準(zhǔn)時使人覺得他不可靠。
Not being tall is not a serious disadvantage in life.
個子不高不是人生中的嚴(yán)重缺陷。
二、動名詞完成式的否定式
若動名詞為完成式，否定詞not應(yīng)置于整個結(jié)構(gòu)之前。如：
Don't be angry with me for not having written.
我沒給你寫信請別生我的氣。
Execuse me not having answered your letter before.
沒有更早回信請?jiān)彙?br /> I apologize for not having kept my promise.
我沒遵守諾言向你表示歉意。
三、動名詞被動式的否定式
若動名詞為被動式，否定詞not應(yīng)置于整個結(jié)構(gòu)之前。如：
He doesn't like not being taken seriously.
他不喜歡被人不嚴(yán)肅對待。
As far as he's concerned.it's not doing something wrong that matters,but not being caught doing something wrong.
就他而論，重要的不是做錯事，而是做錯事不被抓住。
四、動名詞復(fù)合結(jié)構(gòu)的否定式
動名詞復(fù)合結(jié)構(gòu)帶有邏輯主語，否定詞應(yīng)置于邏輯主語之后。如：
I'm surprised at your not having noticed.
你竟未注意到我感到吃驚。
I understand your not wanting to discuss the matter.
我理解你為什么不愿討論這件事。
The trouble was their not being able to agree among themselves.
麻煩的是他們自己不能取得一致的意見。
Jenny's not having been trained as a dancer is her one regret.
杰妮沒受過舞蹈的專業(yè)訓(xùn)練是她感到遺憾的事。