used when the subject and object of the sentence are the same, indicating that the action is done to oneself

我自己, 我本人

used when a person who is addressed is both the one who does an action and the one who receives the action

你自己, 你本人

used when both the subject and object of the sentence or clause refer to a male human or animal who is being talked about

他自己, 他本人

used when a female human or animal is both the one who does an action and the one who is affected by the action

她自己, 她本人

used when an animal or object is both the thing that does an action and the thing that the action is done to

它自己, 自身

used when the speaker and one or more other people are both the ones who do an action and the ones who are affected by it

我们自己, 我们吧自己

used when a group of people who are being addressed are both the ones who do an action and the ones that are affected by it

你们自己, 你们自身

