Here's a cheat sheet for you, jimmy. Print it and save it:
Their possessive pronoun. They are idiots; their CMKX certs are worthless.
There adverb After you get your cash settlement, will you still live over there near the dump?Is there any naked short story to bizarre for you to believe?
They're contraction They're still slack-jawed that the multi-trillion dollar settlement didn't come to them.