i haven't seen her since three days ago 语法对吗

i haven't seen her since three days ago 语法对吗 I saw her five years ago,since when I haven't seen her 定语从句的 I haven't seen you since one month ago I haven't seen you si I haven’t seen her since last week.意思? They haven't seen each other since three months ago 同义句 l haven't seen her since 1997 I haven't seen her () I haven't seen you since childhood. I haven't seen him for three days,Is he ill?A,I'm afraid so I haven't seen Jack for three days.Is he really ill ----I haven't seen Jack for three days.Is he ill? 一些简单题目,英语1 、 i haven't seen Jack for three days.Is he ill?__