Do describes a present situation. It's used with I, you and they. Do I have to do this? Do you want to do this? Do they think this is alright? Does is another form of do just for different groups. Does he have to do this? Does she want to do this? Does anybody think that this is alright? Does everybody want to leave right now? Present situations in general. Are is also present, general or specific. It's used with you and they. Are they ready to go? Are you a man or a woman? Is a statement also used in general present situations and in situations that are true without tenses. Just the same as are, except it's used with he, she, everybody and anybody. Is he ready to leave? Is she tall? Is everybody alright? Is anyone here? These are all the very basic uses. Am is only used first person, with I. Am I handsome? Am I doing this right? All of these words describe basic states of being at the present moment. And there are more complex ways to use them, but if you ever need any help just get in contact with me.