一道四级的题,关于独立主格结构.题:(在其他条件相同的情况下),a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of language is poor.other things being equal我的是:if othe

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一道四级的题,关于独立主格结构.
题:(在其他条件相同的情况下),a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of language is poor.
other things being equal
我的是:if other things are equal
我的问题是,什么时候确定独立主格该用现在分词形式或者不定式.
比如:All the task having been fulfilled ahead of time(提前完成了),they decided to go on holiday for a week.
这里的having been fulfilled做表语
什么时候该写成:All the task to have been fulfilled ahead of time,they decided to go on holiday for a week.

All the task having been fulfilled ahead of time(提前完成了),they decided to go on holiday for a week.
主要是看后面的主语,如果和前面的动词时主动的关系的话,用的是having,
被动的关系的用的是had...
不能用不定式的.