held本身就是hold的过去式和过去分词，所以held没有过去分词形式。
held
v.拿着;抓住;抱住;托住;捂住，按住(受伤的身体部位等);使保持(在某位置)；
hold的过去分词和过去式
Two elections were held within the space of a year.
在一年的时间之内举行了两次选举。
In America, presidential elections are held every four years.
美国每四年举行一次总统选举。
She is held in high regard by her students.
学生对她评价很高。
