if it were not been可以虚拟过去吗

if it were not been可以虚拟过去吗 虚拟语气中Had it not been与Were it not 有何不同? 英语虚拟式的反转,if i were可以反转成were i, 那if i had been,可以同样反转吗 If it had not been for与If it were not for有什么区别? if it were not for my father,my life would not have been so If it were not that... 虚拟语气选择题If it were not for the fact that you（）ill,I would ask 省略if的虚拟语气if i were a bird可以省略成were i a bird吗 If it were to snow 和 If it should snow 都是对将来的虚拟吗?有什么不同呢 He appeared as if he were sick.后面虚拟语气为什么用were而不是had been If it were not u正确么? if it had not been for