If the IRS hasn't raised any issues about your 2005 tax return by now, it is safe to shred it. Last, you should keep any tax return that includes a claim for deducting worthless securities for seven years. If you've lost or discarded a tax return and later need a copy, don't worry.
Rule 2 in the âApostrophesâ section says, âUse the apostrophe to show possession. Place the apostrophe before the s to show singular possession.â. Since âworldâs biggestâ is singular possessive, you need to use âs regardless of which noun follows it.
Apostrophe Rules for Possessives. A lot of people get confused about when they need to use an apostrophe and when they donât. Here are a few apostrophe rules to help you decide. Use an apostrophe + S (âs) to show that one person/thing owns or is a member of something. 1  Amyâs ballet class, Lisaâs car, Robertâs car, Rossâs room, Rossâs sports teams.