Practice.

Now pronounce a sentence with the same exclamation intonation. Imagine that you are talking to you aunt. She has cooked a "coca" that you love and you tell her "És boníssima!". After saying it, listen how it is pronounced.

Imagine that you are talking with some friends. They invite you to have dinner to their home. You are very happy because they have invited you and you tell them "Moltes gràcies!". After saying it, listen how it is pronounced.
Now imagine that you are talking to a friend and she tells you that she won 50€ in the lottery. You are very happy for her and you say: "Quina sort!" After saying it, listen to how it is pronounced.
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