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动词的语态概述 — 情态动词+ be +及物动词的过去分词

作者：frog  文章来源：本站原创  点击数  更新时间：2010-4-6 21:29:47  文章录入：frog  责任编辑：frog

含有情态动词的句子改为被动语态时，将情态动词后面的动词原形改为被动语态，即：情态动词+ be +及物动词的过去分词。例如：[文章来自:考试与评价 http://www.trgroup.com.cn/te/ 0%&t,P[PD)=kb3]     You must finish the work by 12 o'clock. →The work must be finished by 12 o'clock.[文章来自:考试与评价 http://www.trgroup.com.cn/te/ 41;-"y ofcXkTy$]     People used to use ice to cool houses. →Ice used to be used to cool houses.[文章来自:考试与评价 http://www.trgroup.com.cn/te/ ,s`/kQ |Nk[7t n&M]     Students should take care of the books and magazines in the library. →The books and magazines in the library should be taken care of.

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