not having done 和 having not done 的区别

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nothavingdone和havingnotdone的区别nothavingdone和havingnotdone的区别nothavingdone和havingnotdone的区别nothavingd

not having done 和 having not done 的区别
not having done 和 having not done 的区别

not having done 和 having not done 的区别
not having done是非谓语动词中正确的用法,用作状语比较多,如
Not having heard from him,she decided to write another letter
have not done 是谓语动词完成时的否定形式,一般没有having not done 的