这里的could never have done表示什么

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/17 01:47:21

这里的could never have done表示什么
I can well remember that there was a time when a deep blue sky,the song of the birds,moonlight and flowers could never have kept me spellbound.---------------could never have kept me spellbound.
请谈谈could have done的用法

我清晰地记得曾几何时,深蓝色的天空、鸟儿的鸣唱、月光和鲜花从未能使我迷醉.（意思应该是以前司空见惯的东西,失去了后觉得珍惜.）
could never have kept me spellbound （以前）从不会使我迷醉
could have done 过去完成时态,一般用在虚拟语气中,是对过去的事情的假设,意思是原本可以做而实际却没有做.如：
He could have passed the exam,but he was too careless.
原句中是这个句型的否定形式（用了 never）,因此意思相反,表示过去我不会做（而现在却会做）.

这里的could never have done表示什么 could never have done could never have done 造句 could never have done和could not do有什么区别 could only have done表示对过去的推测,只可能...,是否等于must have done? could have done 表示过去有必要做某事却未做 could not have done没有虚拟语气的用法,只 could have done 的意思谁能给我讲解一下和could never have done 的相关知识? can have done和 could have done有什么区别? 英语：could have done除了表示过去的虚拟语气还可以表示将来的? can/could have done 和may/ might have done 表示对过去发生事情的猜测哪一组可能 can have done和could have done的问题,