Question

Write sentences with must/mustn't and these phrases

Answer 1

On a ride, you mustn`t stand up.
In the zoo, you mustn`t touch the animals.
At the theatre, you must be quiet
You must be polite with classmates.

Answer 2

Sure! Here are some sentences using "must" and "mustn't" with various phrases:

1. You must study hard if you want to pass the exam. 2. We must be on time for the meeting tomorrow. 3. She must finish her homework before going out to play. 4. They must follow the rules of the game. 5. I must apologize for my mistake. 6. He must wear a helmet while riding a motorcycle. 7. We mustn't forget to lock the door before leaving the house. 8. You mustn't talk during the movie. 9. They mustn't eat too much junk food. 10. She mustn't drive without a valid driver's license.

These sentences demonstrate the use of "must" to indicate an obligation or necessity, whereas "mustn't" is used to express prohibition or something that should not be done.