How come 有沒有過去時?
比如說, How come he failed the exam?
>>>>>
"How come" = (informal) "why".
How come he failed the exam?
Why did he fail the exam?
How come 有沒有過去時?
比如說, How come he failed the exam?
>>>>>
"How come" = (informal) "why".
How come he failed the exam?
Why did he fail the exam?