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 or single quotation mark. First at all, let us have a closer look at the apostrophe, which has three main functions. 1  it indicates possession. 2  it stands for substituted letters. 3  it is being used to form the plural of certain letters and numbers.