---What can I do for you?
---Our old sheets ________, we want to buy new ones.
A. worn thin B.wearing thin
C.have been worn thin D.having worn thin
老师,这里是独立主格吗?A项为什么不可以选呢?
此题选D。
wear thin 是个“系表结构”,无被动式。
网友选A,错误在于把wear 看作及物动词,thin 是补足语。网友误认为,逻辑主语跟worn 存在被动关系。——整个理解错误。
这是独立主格结构,Our old sheets having worn thin, we want to buy new ones.
having worn thin,是现在分词的完成体,表示want to buy 的原因,说明原因在先,发生在前。
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--What can I do for you?
我能为你做什么?/有什么事情可以帮助你吗?
---Our old sheets worn thin, we want to buy new ones.
我们旧床单磨损得很薄了,我们想买新的床单。
A. worn thin
B.wearing thin
C.have been worn thin
D.having worn thin
老师,这里是独立主格吗?A项为什么不可以选呢?
wear thin有以下2种意思
(1)wear thin磨损;用旧
Your horse needs new shoes if the shoe has worn thin or smooth. 如果马掌磨薄或磨平,就需要换新马掌了。
(2)wear thin(耐心等)逐渐消失
Her husband was sympathetic at first but his patience soon wore thin.
一开始她丈夫还抱以同情,可不久就失去耐心了。
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