я не говорил тебе

didn't I tell you

→ я
phrase Uncommon #23,341
didn't I tell you Often used rhetorically, especially with «разве», to remind someone that you already told them something. «Говорил» is masculine; a female speaker uses «я не говорила тебе».
RU: Разве я не говорил тебе, что встреча перенесена?
EN: Didn't I tell you that the meeting was postponed?

Я не говорил тебе о ней?

Didn't I tell you about her?

— Цвет шафрана (2006)

Но я не говорил тебе их использовать.

But I didn't tell you to use them.

— Идеальные незнакомцы (2016)

Я не говорил тебе это делать.

I didn't tell you to do that.

Я не говорил тебе увольнять их.

I didn't tell you to fire them.