Should the French international not shake off his back problem, his role would go to Pepe.<br/>Why can we use 'would' in this sentence.It is a condition sentence which is likely to happen.<br/><a href='http://www.sportsmole.co.uk/football/real-madrid/champions-league/preview/preview-real-madrid-vs-galatasaray_77282.html' target='_blank' rel='nofollow'>http://www.sportsmole.co.uk/football/real-madrid/champions-league/preview/preview-real-madrid-vs-galatasaray_77282.html</a>