In French we have the subjects “tu” and “vous”, but vous means 3 different things. You in French
Informal you with a friend, a colleague, someone you can be familiar with.
Tu viens? Are you coming?
Abbreviation: tu becomes t’ when the verb starts with a vowel:
Tu as mal? T’as mal (does it hurt?)
Tu es amusant. T’es amusant (you are funny)
Tu apprends le français. T’apprends le français?
Here you are speaking to one person.
Informal, plural of “tu”: friends, colleagues but more than one
Comment allez-vous les amis? How are you, my friends?
Formal, plural of “vous”: people you can’t be familiar with but more than one
Bonjour messieurs, comment allez-vous? Good morning sirs, how are you?