Answer:
I don't have a dog, but I do have a cat. 
You have 2 cats and 3 turtles. 
She had a dog, but now she likes rabbits more.
Step-by-step explanation:
Yo no tengo un perro, pero si tengo un gato. 
Usted tiene 2 gatos y 3 tortugas. 
Ella tenia un perro, pero ahora le gustan mas los conejos.