求分析：There are bound to be price increases next year．明年物价一定会上涨.

题目

求分析：There are bound to be price increases next year．明年物价一定会上涨.
There are bound to be price increases next year．明年物价一定会上涨.

请问bound的过去时和过去分词都是bounded,这里be bound to 是一定会的意思,应该是被动,　但为什么bound 没有用bounded过去分词的形式?

答案