Can your dog understand you

you might be surprised that a dog can understand humans.by what you say different actions happen to the dog especially well trained dogs. puppies understand too they understand some Words at first like ,move,here,stay,walk away and run that is why it is hard to train puppies,while they grow up they understand more Words. grown up dogs are easy to train at the (dog ages)16 and 20 when you have a puppy and you run or walk fastly and your puppy follows you that means when your puppy grows up to be a dog it will like walks sometimes when your puppy is now a dog you accidentally say walk it mgiht get jumpy and want to go for a walk and to be sure dogs are really great pets.