过去将来时 造个疑问句.

1.其实过去将来时并不是什么难题.只是不能把它单独拿出来分析而已.要有明显的过去时的概念才行.
e.g.You were ten in 1980 and you would be 20 in 1990.
You were ten in 1980.So would you be 20 in 1990?Of course yes.
再如:You said you would come back to me.
2.Would you like to do sth 这里would 是情态动词