will的过去式：would

modal(will的过去式，用于转述)将，将会;带出想象的结果;

v.想要;希望;愿意;喜欢

v.立定志向;决心;决意;想要(某事发生);

will的过去式

例句：

What would you say was the root cause of the problem?

你认为问题的根源是什么？

None of this would have been possible without their help.

如果没有他们的协助，这事没有一样能办成。

Many people predicted that the party would fracture and split.

很多人预言该党将分崩离析。