It's amazing what can happen in the space of four race meetings. A couple of weeks ago no one was more out of form than English trainer David Oughton. Then no sooner has he sent out one winner, he's sent out four. That is exactly the kind of run every top trainer here has to endure at some point during their tenure. It's probably explained by the competitive nature of the races rather than having anything to do with their training. When races are as competitive as they are here, any one trainer's horses can run consistently well for a long time without managing to get their heads in front. This was exactly the point that Oughton made after his Just Perfect had won on the dirt the Wednesday before last. It was only the meeting before that Oughton had broken a losing streak of 79 runners without a winner when Espresso obliged. So after such a horrible run he then goes bang, bang, winner, winner. What's more, at the next meeting he sent out a double courtesy of Partiking and Made To Figure. He said they'd been running well without quite winning and his four recent successes underline that point. All of these winners have been ridden by the demon Douglas Whyte and it was the popular South African who put a couple of Oughton's through solid hitouts at Sha Tin yesterday morning. Whyte took Oughton's Grenadier through 1,200 metres in 1:18.9 in company with stablemate Beautifulday. Grenadier is in over a mile at Happy Valley this coming Wednesday and given the way he works, he could just be the kind of horse that pops his head into a Double or Triple Trio at a shade of odds. His last run is best forgotten as he almost certainly was all at sea on the wet track. Whyte also galloped American Champion through 1,200 metres in 1:16.8 with Botany Bay. American Champion didn't have much luck last time and hasn't had too much luck since winning early in the campaign. He seems to be holding his form in the mornings and holds genuine place claims in the Class Three mile handicap at the city venue on Wednesday night. Botany Bay, by the way, ran below form at Sha Tin last time but seems to have thrived for a short spell from racing and could be one to note if next seen out at Sha Tin. Forget him at the Valley. In other work yesterday Wong Tang-ping's promising youngster Mascot Treasure clocked a searching 1:15.5 for his 1,200 metres and should give a good account of himself from up on the speed on Wednesday. Andy Leung Ting-wah asked his Guess What to complete 1,200 metres in 1:19.2 suggesting that should he get into Wednesday night's Class Five mile event, then there won't have to be any guessing games. He means business. Tony Cruz's Concert Star won the only trial by an easy five lengths. His disappointing last run, when very wide all the way from an outside draw, can be completely and utterly forgotten.