This is the 6130th most frequent French word.
etre
"Être" means "to be."
'suis' (am) is the first-person conjugation of 'être', indicating a state of being.
Je suis heureux aujourd'hui.
I am happy today.
'es' (are) is the second-person singular conjugation of 'être', used to describe a permanent state or identity.
Tu es mon ami.
You are my friend.
'est' (is) is the third-person singular conjugation of 'être', employed as a copula to introduce a description or concept.