Michael Schumacher does not know he is a seven-time world champion but he has been able to sit up for years, according to his former Formula One team-mate Riccardo Patrese. But Patrese, who drove alongside the German for Bennetton in the 1993 F1 season, claims he began hearing positive murmurings about Schumacher some six years ago. I am sure he does not know he is a seven-time world champion. Riccardo Patrese (right) drove with Michael Schumacher for Benetton in the 1993 F1 seasonPatrese believes Schumacher 'does not know he is a seven-time world champion' anymore'Of course Michael is now living in the way that he is with a lot of effort from the family. I'm very happy to hear that Michael is improving but from what I know of this situation nothing has changed for some years.'