[header] How to train an adult dog [title] Get some treats that your dog likes. [step] Take small pieces so that you can give it one for each thing it does without worrying about your dog getting fat. Some dogs, especially labradors and beagles, are extremely food orientated, and so you can set aside a portion of their daily kibble into a treat pouch, and use this to reward them. 
[title] Choose an environment with few distractions, such as your backyard. [step] You want the dog to listen to you, rather than watching other dogs having fun in the park.