基本信息
学习虚拟条件句还要注意以下4点：
（1）省略if
若虚拟条件句中有 were, had, should 时，可省略 if 而将 were, had, should 移到句首。如：
（1）If I were to meet him tomorrow, I should ask him about it.
Were I to meet him tomorrow,…
（2）__ for the doctor’s careful treatment, he ___till last year.
A. If it is not, can’t live
B. Were it not, couldn’t live
C. Had it not been, couldn’t have lived
D. If they were not, couldn’t live
