fromEnglish Grammar Today
We sometimes useforgetwhen we don’t remember to bring something with us:
I’ll have to go back; I’veforgottenmy car keys.
We useleavewith this same meaning, but only if we mention the place where we left something:
Mia, you’re alwaysleavingyour car keys on your desk.
Not: …forgetting your car keys on your desk. or …you’re always leaving your car keys.
Ileftmy homework at home.
Not:I forgot my homework at home.
We useleavewhen the action is deliberate:
We decided toleavethe dog at home.