If there were a heavy snow next Sunday,we would not go skating.这里为什么不能改成were to be a heavy snow?不是表将来吗?

If there were a heavy snow next Sunday,we would not go skating.这里为什么不能改成were to be a heavy snow?不是表将来吗?
If there were a heavy snow next Sunday,we would not go skating.
这里为什么不能改成were to be a heavy snow?不是表将来吗?

If there were a heavy snow next Sunday,we would not go skating.这里为什么不能改成were to be a heavy snow?不是表将来吗?
在非真实条件句中,与将来事实相反时,条件从句的时态为一般过去时/were+不定式/should+动词原形,主句为would / should/ could + 动词原形.你说的这个句子,因为从句中的是be动词,就要用过去式were的形式,如果用were to be 就有点重复了,而且不符合语感.

回答即可得2分经验值，回答被选为满意回答可同步增加经验值和财富值可是从句不能用将来时啊

虚拟语气，表示很大可能不会发生的事情，虚拟语气有特定的短语句子用法