Here are some useful tips in housetraining adult dog. It is very important for the dog to get used to a new schedule since we want to produce some changes in his behavior. Schedule your dog’s meals as well as his going outdoors hours. You will have to create a new space for your dog, for example let’s say we will try to make him sleep into a crate. This way he will know that the crate will be his new bed and he will keep it clean.