If your dog knows basic commands such as sit, stay and comes to you on command, off - leash playtime will be easy. (petsmagazine.com.sg)
Your dog should already know basic commands like sit, stay, lay down, and come. (policygenius.com)
Some advantages to adopting a dog from a shelter are that they may already know basic commands, may be spayed or neutered, and that you may be saving their lives. (hallettvet.com)