省略连词IF的虚
若虚拟条件句中含有were或had,should等助动词或情态动词时,连词if可以省略,将were, had, should提到前面。
【例如】
Had I left a little earlier, I would have caught the train.
Were this to happen, it would cause a great deal of damage. Should it rain tomorrow, we would cancel the trip.____right now, she would get there on Sunday. (CET-4 1996,6)
A) Would she leave
B) If she leaves
C) Were she to leave
D) If she had left
根据主从句的时态搭配,可以判断是对将来的虚拟,条件从句省略了if,助动词提前,故答案为C