All along
(PW)
all the time
She was accepted into the university, but she knew all along that she’d get in.
(MW)
all the time
(UsingEnglish.com)
If you have known or suspected something all along, then you have felt this from the beginning.
(die.net)
adv : all the time or over a period of time; "She had known all
along"; "the hope had been there all along" [syn: right