题目内容
9.足球比赛已经开始大约有20分钟了.The football matchhas been on for about twenty minutes.
分析 has been on.
解答 答案:has been on.这里是说足球比赛已经开始了,持续了20分钟还会继续持续下去,用现在完成时have/has+过去分词,但是此时句中的动词不能用短暂性动词begin或start,需要用延续性动词,这里用be on表状态,be的过去分词是been,主语是The football match,单数,故has,故答案是has been on.
点评 现在完成时非延续性动词与延续性动词的转化 buy-have leave-be away borrow/lend-keep/have start/begin-be on go to-be in
come/arrive/get/reach/move---be in/at die----be dead等等
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