There, They're, Their (Video) | Merriam-Webster
https://www.merriam-webster.com/video/there-theyre-their
WebThey're means they are. - They are funny people. They're funny people. It can be used with non-living things, too. - They are both good books. They're both good books. The last of this trio, their, is the possessive form of they. So it has to do with what belongs to, relates to, or is made or done by certain people, animals, or things.
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