With latest versions (gnome-control-center 1:3.6.3-0ubuntu45.1, gnome-settings-daemon 3.8.5-0ubuntu11.1.) I can use Ctrl+Shift, but all shortcuts started with Ctrl+Shift+ (for example Ctrl+Shift+C/V, Ctrl+Shift+arrows for selecting text) are broken.
See bug 1246656.
With latest versions (gnome- control- center 1:3.6.3- 0ubuntu45. 1, gnome-settings- daemon 3.8.5-0ubuntu11.1.) I can use Ctrl+Shift, but all shortcuts started with Ctrl+Shift+ (for example Ctrl+Shift+C/V, Ctrl+Shift+arrows for selecting text) are broken.
See bug 1246656.