MODAL VERB - MUSTN'T

    You MUSTN'T USE your cell phone 

in the waiting room 

 

• MUSTN'T (must + not) = PROHIBITED

He mustn't drive, after all, he is just 13. 
You mustn't touch any art in the museum.
We mustn't be in the library after 8:30pm 

It's a national holiday and you decide to go camping with some friends. As you arrive at the camping site, there is a huge sign. Write the rules, using MUSTN'T +VERB, according to it:

1. _You MUSTN'T MAKE a fire in the camping grounds.______________________ . 
2. __________________________________________________________________ . 
3. __________________________________________________________________ . 
4. __________________________________________________________________ . 
5. __________________________________________________________________ . 
6. __________________________________________________________________ . 
7. __________________________________________________________________ . 
8. __________________________________________________________________ . 
9. __________________________________________________________________ . 
10. __________________________________________________________________ . 
11. __________________________________________________________________ . 
12. __________________________________________________________________ . 
13. __________________________________________________________________ . 
14. __________________________________________________________________ . 
15. __________________________________________________________________ . 
16. __________________________________________________________________ . 

• MUSTN'T (must+not) = don't do it or you'll be in trouble 

You MUSTN'T FORGET to pay the credit card, the interest is way too high! 

She MUSTN'T MISS any more classes otherwise, she will definitely fail this year. 

I MUSTN'T BUY from them, their products are all counterfeited. 

In this British Council video, Sophia talks about what you MUSTN'T DO in Britain. Observe that she doesn't mention what you are prohibited to do, but rather WHAT CAN CAUSE YOU TO BE IN a DIFFICULT or EVEN in an EMBARRASSING situation. 

What are the 5 things you MUSTN'T DO WHEN in Britain? Watch the video.