renault clio gearbox 2002?

i have a problem with my wifes gear box its a 2002 51 plate 1.2 16v dymanic i pulled out of a junction it felt like it jumped out of gear now it wont move it still selects all gears still have a clutch pedal but wont move 1st and 2nd nothing at all 3rd 4th and 5th grinding noise gets louder the higher the gear any help would be much appriciated