1
obligation (you___turn off the lights when you leave the romm)
2
not necessary
3
advice,e.g. You___drive carefully
4
instead of will for the first person , suggestion (___I help you?)
5
wish, request, (+ polite) ____you shut the door please?
6
force, necessity (I___pay my credit card tomorrow)
7
possibility (less possible than MAY)
8
wish,request,demand,order (___you shut the door please?
9
to ask for permission to do something (___I go out now?)
10
possibility as in: it...rain
