题目内容
4.I think students should _______ to have at least one hour a day for sports.That's good for their health.( )| A. | allow | B. | not allow | C. | be allowed | D. | not be allowed |
分析 我认为学生应该被允许一天至少有一小时的运动时间.那对他们的健康又好处.
解答 答案:C.根据题干可知,主语students 是动作allow的承受者,和动词构成被动的关系,应该用被动语态,表示"被允许".被动语态的结构是"be+过去分词";根据句中的should可知,本句是情态动词的被动语态;情态动词的被动语态的构成:情态动词+be+及物动词的过去分词.又根据That's good for their health可知,应该是被允许有一小时的时间运动,应用肯定结构.故选C.
点评 主要考查被动语态,当句子的主语是动作的承受者时,应该用被动语态,本题考查的是情态动词的被动语态.一定要注意:情态动词的被动语态的构成:情态动词+be+及物动词的过去分词,以及动词过去分词的形式.
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