the united states is the only country ()the winter games four times

题目

the united states is the only country ()the winter games four times
为什么要填hosted,不应该是非谓语形式的吗?

答案

过去分词作后置定语,修饰宾语 the only country
很常见的用法
如果加上 who have hosted the winter games for times 就变成定语从句,两者是相通的