Hi,<br/><br/>1. He<b>'s</b> just eaten. (He has just eatn)<br/><br/>2. An average of one baby<b>'s</b> kidnapped every day. (An average of one baby <b>is</b> kidnapped every day)<br/><br/>3. The fish<b>'s</b> eaten yesterday. (The fish <b>was</b> eaten yesterday)<br/><br/>4. Obama<b>'s</b> family is small. (<b>possessive</b> "s")<br/><br/>5. Obama's the president. (Obama <b>is</b> the president)<br/><br/>Have I exhausted all the different possibilities of the apostrophe s ( 's )?