не помните

don't remember

→ не
phrase Uncommon #25,610
don't remember Помните is the formal or plural form of “remember,” so this means “you don't remember.”
RU: Вы не помните, где оставили ключи?
EN: Don't you remember where you left the keys?

Вы его не помните?

Don't you remember him?

Вы нас не помните?

Don't you remember us?

Вы меня правда не помните?

You really don't remember me?

Вы, вероятно, меня не помните.

You probably don’t remember me.

Вы уверены, что не помните?

Are you sure you don't remember?

Что значит, не помните?

What do you mean, you don’t remember?