翻译英语，我喜欢她很久了

I ve been loving her for a long time

I have been in love with her for very long time.

I've been into her for long.

有一部英文电影叫He's not that into you，翻译名是《他其实没那么喜欢你》。

It`has been a long time since I fall in love with her

It`s been a long time since I fall in love with her.

I've been into her for long