Twinkle, Twinkle, Little Case!
fluvius dat… – the nominative gives
…aquam dat – the accusative
provinciae – of the genitive
oppidō – to the dative
in Italiā – in the ablative
Ecce Sexte! – is the vocative!
Ecce, Sexte! Fluvius aquam prōvinciae oppidō in Italiā dat.
This song demonstrates some of the common functions of six Latin cases: nominative (subject), accusative (direct object), dative (indirect object), ablative (object of the preposition), and vocative (direct address).