Who plays basketball well in your class?这句话语法上有错吗?为什么没有助动词?
问题描述：
Who plays basketball well in your class?这句话语法上有错吗?为什么没有助动词?
答
因为who是疑问代词的同时也是play的主语,也就是谓语动词play的执行者,所以不用助动词.比较：Who /Whom do youoften play basketball with ?该句子you是主语,疑问词who/whom则作宾语了.