题目内容
13.She shouldn'tbe allowed(allow) to go out alone.分析 她不应该被允许独自出门.
解答 答案:be allowed.主语she是动词allow允许的承受者,allow sb to do sth 允许某人做某事,构成被动关系,结合前面的should用情态动词的被动语态---情态动词+be+过去分词,allow的过去分词allowed,故答案是be allowed.
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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