keep/bear ...in mind疑问
句子一：Floor tiles can be difficult to clean – worth keeping in mind when you choose a new floor.
句子二：That is worth bearing in mind as House committees pursue their own investigations.
老师好，为什么keep bear两个及物动词前面加了worth就……不及物了？
最佳答案 2019-04-12 22:59
something be worth doing句型，传统语法认为worth后的动名词是主动形式表示被动意义。即句子的主语是动名词的逻辑宾语。所以及物动词doing后面就没有宾语了。这和 The book is difficult to read. 结构一样，read也是及物动词，其宾语缺失，因为句子的主语就是to read 的逻辑宾语。
现代语法有不同的解释，我就不赘述了。
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其它 1 个回答
网友需要搞清楚以下3种句型，worth后接动名词主动表示被动含义，相当于它的同根形容词worthy后面接不定式被动和动名词被动结构。
(1)主语+be worth doing
Such work is not worth doing.
那样的工作不值得做。
(2)主语+be worthy to be done
Such work is not worthy to be done
那样的工作不值得做。
(3)主语+be worthy of being done
Such work is not worthy of being done.
那样的工作不值得做。
备注：类似以上用法动词“want, require, need, deserve”唯一不同的就是，以上动词不需要变化，后面接动名词主动含义等于接不定式被动含义
Floor tiles can be difficult to clean – worth keeping in mind when you choose a new floor.
=Floor tiles can be difficult to clean – worthy to be kept in mind when you choose a new floor.
=Floor tiles can be difficult to clean – worthy of being kept in mind when you choose a new floor.
句子二：
That is worth bearing in mind as House committees pursue their own investigations.
=That is worthy to born in mind as House committees pursue their own investigations.
=That is worthy of being born in mind as House committees pursue their own investigations.
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