题目内容

7.We can't see a lot of stars when it is cloudy.(改为被动语态)
A lot of starscan't be seen by us when it is cloudy.

分析 多云的时候我们看不到许多星星.

解答 答案:can't be seen,主语A lot of stars是动词see的承受者,含有情态动词can故用情态动词的被动语态--情态动词+be+过去分词,see的过去分词是seen,故答案是can't be seen.

点评 情态动词的被动语态---情态动词+be+过去分词的呈现,各种类型的被动语态的构成要理解掌握.

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