作业帮couldn`t have done 不用于虚拟语气 么
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/06/05 06:58:34
couldn`t have done 不用于虚拟语气 么
couldn`t have done 不用于虚拟语气
那要是说 本不能够做..怎么表达
couldn`t have done 不用于虚拟语气
那要是说 本不能够做..怎么表达
couldn't have done
1.对过去情况推测,表示：不可能做了某事
比如：He couldn't have come here yesterday.他昨天不可能来了这里.
2.虚拟,意思还是,不可能做...
比如 ：If you hadn't study hard,you couldn't have passed the exam
如果你没努力学习,你就不可能通过这次考试.
【俊狼猎英】 欢迎追问
1.对过去情况推测,表示：不可能做了某事
比如：He couldn't have come here yesterday.他昨天不可能来了这里.
2.虚拟,意思还是,不可能做...
比如 ：If you hadn't study hard,you couldn't have passed the exam
如果你没努力学习,你就不可能通过这次考试.
【俊狼猎英】 欢迎追问
couldn`t have done 不用于虚拟语气 么
shouldn’t have done是虚拟语气么?
couldn't have done?
请问could not have done/might not have done可用于虚拟语气中吗
看很多书上说,couldn't/mightn't have done没有虚拟的意思.那么
虚拟语气would have done 的用法
关于could have done 的虚拟语气
虚拟语气 should have done 与 could have done
It couldn't have been better.这是虚拟语气吗?
情态动词+have done什么时候用 是只用于虚拟语气里吗
couldn't have done与couldn't区别
couldn't have done 表示什么