would的过去式是什么

造句：

1. Some would like to test russia's good faith before moving ahead.
   有些人希望在做出进一步行动之前检验俄罗斯的诚意。

2. Many younger japanese leaders would like to change this pattern.
   许多较为年轻的日本领导人想要改变这种模式。

3. They would be fine.
   他们都会好起来的。