India's Narain Karthikeyan will start 19th on the grid.
The German seized his second successive pole position as Williams swept champions Ferrari off the front row.
Poland's Robert Kubica can be a Formula One star of the future, according to world champion Fernando Alonso.
The seven-times Formula One world champion made clear that he could not see the attraction of NASCAR.
The McLaren driver will leave Formula One at the end of this season to drive in NASCAR.
Give us your take on Friday's games at the World Cup!
Chief operations engineer Sam Michael said Williams, runners-up to Ferrari last season, were "already miles in front of where we were last year".
The Indian finished\nsecond in private testing for the Williams Formula One team at the Jerez circuit in Madrid.
The younger Schumacher said no deal had been struck and his manager said he would consider other options if the negotiations failed.
It was the first time since 1994, when Schumacher took his first title at Benetton, that the award had not gone to the same year's Formula One champion.
The Colombian has promised Williams he will do all he can to help them win the constructors' title.
McLaren's Lewis Hamilton took his first Formula One victory on Sunday, keeping his cool in a chaotic Canadian Grand Prix to take the outright lead in the championship.
But BMW motorsport director Mario Theissen dismissed the comments, saying the driver himself was to blame.
On a pivotal moment on lap two, he was given a 'drive-through' penalty after an incident with Ferrari's Rubens Barrichello.
The Renault driver said with a bit of passion and luck, and good performance from the car, he can win the US Grand Prix.
McLaren set the pace in Friday's Brazilian Grand Prix practice with Colombian Juan Pablo Montoya the fastest race driver.
Rubens Barrichello was 0.128 slower than Montoya in second place, while Schumacher was third with 1:20.784.
The Ferrari driver is one point ahead of Williams's Juan Pablo Montoya and two clear of McLaren's Kimi Raikkonen with two races remaining after Monza.\n\n
Renault's Fernando Alonso took a giant step towards becoming Formula One's youngest champion by finishing a close second.
Villarreal went through to the group stage on a 4-2 aggregate crashing Everton's Champions League.
David Coulthard grabbed second place for McLaren, ahead of Jarno Trulli and Fernando Alonso in the two Renaults.
The German roared around the twisty Hungaroring circuit in one minute 19.882 seconds.
Williams's Formula One championship challenge is on after they ousted McLaren as Ferrari's closest rivals.
Juan Pablo Montoya spun out team mate Scott Pruett late in the race before claiming his first Nascar victory.
Ferrari's Michael Schumacher and Rubens Barrichello finished second and third respectively.
