In her letter,she said that she would come to England next year.

问题描述:

In her letter,she said that she would come to England next year.
请翻译此句,并解释would come 是什么时态,句子为什么用这个时态

过去将来时
因为"她说"是发生在过去,她说要干什么自然是过去将来时