Ferguson said: “The only place you can be now is that top four.
“Arsenal’s start has been very good. Ourselves and City are where we were last year. Those four will be the top four.
“Liverpool have a new regime and it may take time to develop that.
“But they’ll all be desperate to get in there.
“It’s not easy starting at any club. You have to have your own philosophy. Sometimes you want to transfer players.
“It’s all different circumstances. To go into a big club at a young age is difficult. It’s a hard job.”