They're, their, and there are homophones — identical in pronunciation but completely different in meaning and function. Mixing them up is one of the most common writing errors in English.
Grammar reviewThey’re / Their / There
THEY’RE = contraction of they + are ______ coming to the party. (= They are coming.) Test: Can you replace it with "they are"? If yes → use the contraction.
THEIR = possessive adjective (belonging to them) I love ______ house. / ______ dog is friendly. Test: Can you replace it with "his" or "her"? If yes → use the possessive.
THERE = refers to a place, or used in there is / there are constructions Put it over ______. / ______ is a problem. Test: Does it indicate a location or introduce existence? If yes → use this form.
READY TO PRACTICE? LET’S GO!
Fill in each blank with the correct form: they’re, their, or there.