1. If I 【were 】not busy, I would have come. 假若我不忙,我早就来了。为什么后面用would have done 前面不用had done2. Should you be fired, your health care and other benefits 【will not 】be immediately cut off.如果你被解雇了,你的医疗保险和其他受益不会立即解除。虚拟语气后面的主句应该是wouldn't啊,为什么是will not?