The former Hoops midfielder says the club have not rebuilt and have failed to ensure the gap between themselves and Rangers remains wide.
The Newcastle manager was pleased with the spirit shown against Manchester City and believes his side can take points from any stadium.
Nottingham Forest have struggled since firing Dougie Freedman.
The striker has fallen down the pecking order in Jurgen Klopp's team in recent weeks.
The Gers lost 3-2 to their Scottish Championship rivals.
The Gunners defender says the club have suffered for Alexis Sanchez's injury problems this year.
Liverpool manager Jurgen Klopp addressed the media ahead of his side's clash with Newcastle United at Anfield in the Premier League tomorrow afternoon.
The Portuguese winger believes the Premier League side can upset his former club in Europe.
Crystal Palace face Watford on Sunday at Wembley in the FA Cup semi-final.
Newcastle United will face Liverpool in the Premier League this weekend.