Ex. 1
You must walk on the paths.
You mustn’t swim in the pond.
You must keep off the grass.
You mustn’t park hear.
You mustn’t rubbish on the park.
Ex. 2
You mustn’t go to bed late.
You must get up early.
You must eat your dinner.
You must be good.
You mustn’t play loud music.
Ex. 6
May I watch TV?
May I have a sandwich?
May I have orange juice?
May I call my mother?