Their is the possessive of they, as in "They live there but it isn't their house." Here you want to indicate that the house belongs to them. They're is a contraction of they are, so that to say, "They're over there in their new house" means "They are over at that place in the new house that belongs to them."
Moreover, is it their or there?
Their is the possessive case of the pronoun they, as in “They left their cell phones at home.” There is also used as a pronoun introducing a sentence or clause, as in “There is still hope.” They're is a contraction of the words they and are, as in “They're mastering the differences between three homophones!”
How do you use you re in a sentence?
Understanding how to use YOUR and YOU'RE: Your is the second person possessive adjective, used to describe something as belonging to you. Your is always followed by a noun or gerund. You're is the contraction of "you are" and is often followed by the present participle (verb form ending in -ing).
What does were mean in a sentence?
Since were means the same as the past tense of are in this sentence, it is the correct word to use. SUGGESTION: To test whether were is the correct word to use in a sentence, see if you can use are in its place, putting the sentence into the present tense. we're.