text: Gary Neville believes Manchester United face their toughest test of the season when they visit  Premier League leaders Chelsea on Saturday - but feels their current form means they can beat anyone. Louis van Gaal's side have beaten Tottenham, Liverpool and Manchester City in recent weeks to enhance their chances of finishing in the top four and changing what looked like a difficult first campaign for the Dutchman into a relatively successful one. After a memorable 4-2 win over local rivals and reigning champions City on Sunday, United face a stern examination at Stamford Bridge. Gary Neville believes Manchester United have a good chance of beating Chelsea with the form they're in . Neville knows United have played well in recent weeks but admits Van Gaal's system and squad will be pushed to the limit against a Chelsea side looking to move one step closer to the title. 'The tests have been Liverpool and City,' he told Press Association Sport. 'This is another test. They have proven themselves, but this is the best team in the country and to go to Stamford Bridge is the toughest test. Louis van Gaal's side have performed admirably this season and are all but guaranteed Champions League . 'The performances from United in the past month have been absolutely outstanding in any season. 'Forget the fact that in this season they are not going to win the league, in any season the level of performance they have shown in this last month has been of a hard standard.' After a stuttering start to his reign, Van Gaal has answered his critics by finding a formation that suits the players at his disposal and Neville reckons a top-four place is all but sewn up. United dispatched of  Manchester City on Sunday as they extended their league lead over their rivals . 'We were always very fixed in our formation,' the England coach said of his time at Old Trafford. 'Louis van Gaal through necessity has had to change his formation to get different people in at different times. In the last four weeks he has settled into a 4-3-3. It has worked really well and the players looked comfortable in the system. 'He said at the start of the season that his team would get better, they always get better and he has stuck to his word. He said they would be in the Champions League and I think he will be correct.'
target: Gary Neville believes Manchester United can get a result at Chelsea .
  The Sky pundit thinks that Louis van Gaal's side are currently hard to beat .
  United travel to Stamford Bridge looking to close the gap on the leaders .
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