问题描述:
not having finished his homework,he had to having lived in here for many years,he knows
两个句子都是用现在分词的完成时做状语,而句子的时态一个是一般现在时,一个是一般过去时,这样可以吗?
第二个句子是:having lived in BJ for many years,he knows……
两个句子都是用现在分词的完成时做状语,而句子的时态一个是一般现在时,一个是一般过去时,这样可以吗?
第二个句子是:having lived in BJ for many years,he knows……
问题解答:
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