would什么时候 可以做助动词

Question

如题所述

Answer 1

would 用作助动词时，
1，表示“条件”
He would write if you would answer.
如果你回信的话，他就写信。

2，在间接引语中表示“将要”：
He said he would bring it.
他说要把它带来。

3，表示“习惯性动作
Sundays he would sleep late.
每逢星期天他总睡懒觉。

4，使语气婉转：
Would you please leave?
请你离开好吗?

Answer 2

用在过去未来时，或者委婉语气，或者假设语气时