"They are" is a contraction of the subject pronoun "they" and the verb "are." It is used to indicate the state or action of a group of people or things.
Example: "They are going to the store." Here, "they are" indicates the action of going performed by the group of people mentioned.
Their:
"Their" is a possessive determiner. It is used to indicate possession or ownership by a group of people or things.
Example: "Their house is beautiful." In this sentence, "their" indicates that the house belongs to the group of people mentioned.
There:
"There" is an adverb that indicates a place, location, or existence.
Example: "The keys are over there." Here, "there" indicates a location where the keys can be found.
It can also be used to introduce a sentence or clause: "There is a cat on the roof." In this case, "there" serves as a subject introducing the existence of something.
In summary:
"They are" is a contraction of the subject pronoun and verb, indicating action.
"Their" is a possessive determiner indicating ownership.
"There" is an adverb indicating location or existence.
