their hands to their stomach if they are having a hard time saying “i am hungry.” next one to this is when they are to make a loud sound and you want to them to make their voice smaller or to stay quiet then you can teach him by putting their one finger to the mouth. in this way, it would be easier for them as well to recognize that had language when you are trying to make him quiet and you put your finger to your mouth.
avoid using third person pronoun. it is not always a good thing for them as they would easily call someone or most of 