Ydi, mae'n ferf gyflawn ac anghyflawn felly. ----- Original Message ----- From: "Sian Roberts" <[log in to unmask]> To: <[log in to unmask]> Sent: Friday, July 11, 2008 2:28 PM Subject: Re: to concentrate minds Yn ôl, GPC, mae "canolbwyntio" yn "bg.a". Ydi hynny'n helpu?