请问should能不能换成if？

Question

Should you buy a home from Lovell, the company promises to buy it back at the same price after three years。

Answer 1

虚拟语气的从句谓语中出现 were, should, had 时， 可以省略if,同时把这个词放到句首，形成倒装。

Answer 2

在虚拟语气的从句谓语中出现 were, should, had 时， 可以省略if,同时把这个词放到句首，形成倒装。
should前置相当于 if all the culture differences between hosts and guests should be eliminated.
（表示与将来的事实相反，显然文化差异是不可能消除的）本回答被网友采纳

Answer 3

不能，只能是weather，还要看在句中的情况，原文的意思