Here are the ten verbs that should be in the passive voice, along with the necessary changes:Original: Behavioural training should do on a one-to-one basis.Passive: Behavioural training should be done on a one-to-one basis.Original: This type of training uses to correct any bad habits your dog may have developed.Passive: This type of training is used to correct any bad habits your dog may have developed.Original: Obedience training should do often but only for short periods of time.Passive: Obedience training should be done often but only for short periods of time.Original: It is best to train your dog just before meals so his meal associates with a reward for the training.Passive: It is best to train your dog just before meals so his meal is associated with a reward for the training.Original: Many young puppies injure because their owners don't realize how curious they can be.Passive: Many young puppies are injured because their owners don't realize how curious they can be.Original: One way to protect your puppy is by giving him a special house.Passive: One way to protect your puppy is by giving him a special house.Original: The house can make of any suitable material but it must be big enough for the puppy to move around comfortably.Passive: The house can be made of any suitable material, but it must be big enough for the puppy to move around comfortably.Original: It can use for house-training your puppy or to protect him from very young children.Passive: It can be used for house-training your puppy or to protect him from very young children.Original: If your puppy rewards with a cuddle and a pat when he jumps on the furniture, then he will continue to do this.Passive: If your puppy is rewarded with a cuddle and a pat when he jumps on the furniture, then he will continue to do this.Original: Then the puppy gives a treat when he is on the floor.Passive: Then the puppy is given a treat when he is on the floor.Remember that the passive voice is formed by using a form of the verb "to be" + the past participle of the main verb. It is often used when the focus is on the action rather than the doer of the action.