Breakdown of Il est monté à mon étage.
être
to be
il
he
à
at / to / in (general locations) / about (what one thinks about / reacts to)
mon
my (mon, ma, mes)
Questions & Answers about Il est monté à mon étage.
Why does this sentence use est instead of a for the past tense?
If the subject was 'She' (Elle), would monté change?
Why do we use à here instead of sur for 'my floor'?