"I pray thee good mercutio, let's retire, the day is hot, the capulets abroad; and if we meet we shall not scape a brawl" (A3S1)
.'I pray thee', showing Benvolio is begging Mercutio, however he cannot order or dismiss him as he doesn't hold enough power
.'thee' informal, showing benvolio and mercutios closeness
.collective pronoun 'we' shows us despite Benvolios good nature and plead to avoided fighting, if he must fight, we will as an act if loyalty
.'day is hot;the capulets abroad', here Benvolio is avoiding placing blame on wither sides, and suggests other reasons a fight may occur