2) Ivan and Katya aren't dancing.
Ivan and Katya are sitting on the couch.
3) Billy isn't making a sandcastle.
Billy is swimming.
4) Paolo isn't riding a motorbike.
Paolo is riding a car.
5) Susan and Miriam aren't listening to music.
Susan and Miriam are playing tennis.
Sper că te-am ajutat și stai liniștit/ă sunt 100% corecte.