- May I go for a walk?- No, you must stay at home. It is very cold.- You must do your homework.- May I play with my friends after that?- Of course,you may go to the zoo. You can ride pony there.- May I give water to the canary?- Yes, you may. You should give clean water to the canary every day.- May I give a cake to the canary?- No, you mustn\'t give cakes to the canary.