Составить 4 предложения настоящем длительном.При этом одно утвердительное одно о?

1)I'm packing my things now. I'm not packing my things now. 2) My brother is preparing his homework. My brother isn't preparing his homework now. 3) Ann is walking about the park in the moment. Ann isn't walking about... 4) My cat is playing in the garden. My cat isn't playing in the garden