Hi guys!<br/><br/>lost and frustrated =)<br/><br/>To avoid legal proceedings being filed against you please send your payment to the address shown below.<br/><br/>I understand that "being filed" and "shown' are passive forms. However I cannot find grammar rules which can explain both cases.<br/><br/>Why "being filed" and not "filed"?<br/>Why 'shown' and not 'is shown'?<br/><br/>regards