She kept it tied to a tree in a field during the day and went to fetch it every evening怎么两个动词

题目

She kept it tied to a tree in a field during the day and went to fetch it every evening怎么两个动词
kept,tied

答案

这边用的tied是被动形式,而不是一般过去时,不算是句子中的谓语
keep + doing sth
keep sth done 保持---的一种状态（用被动）,固定用法.你可以联想到have sth done
句子中的意思是他把小动物系在树上.tie跟it是一个被动的关系,所以用tied