Questions & Answers about Reparteix les cartes.
Here, reparteix is the affirmative imperative form of repartir for tu.
So the sentence is giving a command to one person you address as tu:
- repartir = to deal out / to distribute
- reparteix = deal out / distribute! (said to you, singular, informal)
In other words, it is the Catalan equivalent of a command like Deal the cards.
Because commands and statements use different forms.
Compare:
- Tu reparteixes les cartes. = You deal the cards.
- Reparteix les cartes. = Deal the cards.
So reparteixes is the normal present tense form for tu, while reparteix is the imperative form used for an affirmative command.