parts of speech, with very different meanings and functions. THEIR . A possessive pronoun, their modi es nouns and indicates ownership of something The parrots take their time eating the fruit See modifier and pronoun. THERE . There is an adverb suggesting some degree of remoteness The boat is anchored over there With linking verbs (“be”) there forms the expletive: There were nine boats anchored at the shore.” THEY’RE . This contraction joins they and are “They’re going to crash into the pier!” Theirselves.An incorrect or colloquial form of themselves the proper third-person plural of the re exive pronoun. Never use “theirselves” outside ction or reports on dialect. Them. Them is the correct objective case form of they The guard saw them But it is not, and should never be used as, a demonstrative pronoun. WRONG I saw them