Can you explain when Witr is prayed? Can you complete three rakats without giving salam after the second? Do you remember Al-Fatihah and a surah in the third rakat?

Practise the key sequence: recitation → extra takbeer → fold hands → Qunut → takbeer into ruku.

Can you say a suitable supplication for Qunut while you learn the longer version? Can you show the difference between the first sitting and final sitting?

Learn one phrase at a time. Listen, repeat, understand its meaning, then practise without audio. Have a competent Arabic teacher check your pronunciation.