You _________ take pictures here (Prohibition)
Mustn't / Can
We _________ go now. (Necessity)
Have to / Must
You ______ park your car here. (Prohibition)
Can't / Mustn't
______ I open the window? (Permission)
Can / May
You ______ close the door when you leave. (Necessity)
Must / Have to
You ______ wear a uniform to school every day. (Necessity)
Must / Have to
We ______ bring food into the library. (Prohibition)
Mustn't / Can't
You ______ go to the party this weekend. (Permission)
Can / May
You ______ eat salad and fruits. (Necessity)
Must / Have to
Students ______ run at school (Prohibition)
Mustn't / Can't
________ I ask a question? (Permission)
Can / May
You _______ text your friend after class. (Permission)
Can / May