Must and Mustn’t

• You mustn’t fasten your seatbelt.

• You must fasten your seatbelt.

• You mustn’t drop litter.

• You must drop litter.

• You must enter.

• You mustn’t enter.

• You must turn right.

• You mustn’t turn right.

• You mustn’t turn left.

• You must turn left.

• You must stop.

• You mustn’t stop.

• You must take photos.

• You mustn’t take photos.