i really dont know what i could have done yesterday evening witho_英语解答

i really dont know what i could have done yesterday evening without your help
为什么要用could have done ?should have done 行不行?

人气：216 ℃　时间：2020-02-03 10:57:15

解答

昨晚如果没有你的帮助我真的不知道我会做出什么事情来.
用should不行,表达的意思不对would行不行呢我个人认为 would 是可以的！谢谢我也认为可以