if you had worked hard before ,you could not be worried about the_英语解答

if you had worked hard before ,you could not be worried about the coming exam now.为什么不...
if you had worked hard before ,you could not be worried about the coming exam now.为什么不是 would not be worried

人气：317 ℃　时间：2020-06-16 13:21:48

解答

因为could表示理论上或习惯上推测动作有发生的可能,而句子的前半句就是后半句推测的理由,而would却没有这个用法.