If they were here tomorrow,the problem (solve)___

问题描述:

If they were here tomorrow,the problem (solve)___

If they were here tomorrow,the problem (would be solved).

would be solved
条件状语从句中的虚拟
对过去虚拟 从句用过去完成时,主句用would/should/could/might+现在完成时
对现在虚拟 从句用一般过去时, 主句用 would/should/could/might+动词原形
对将来的虚拟 从句用一般过去式/were to do/should+V 主句用 would/should/could/might+动词原形

would be solved,这是一个虚拟语气~