Est-il ton ami ? Oui, il l'est.
English: Is he your friend? Yes, he is.
Short answers in French often repeat the helper verb or use oui/non with the verb.
Use short answers to respond naturally without repeating full sentences.
Est-il ton ami ? Oui, il l'est.
English: Is he your friend? Yes, he is.
Aimes-tu le café ? Non, je ne l'aime pas.
English: Do you like coffee? No, I do not.
Sont-ils à la maison ? Oui, ils y sont.
English: Are they at home? Yes, they are.
Étudie-t-elle ici ? Non, elle ne l'étudie pas.
English: Does she study here? No, she does not.