Modal Verbs for Prohibition

Secondary 1 – Grammar – Unit 11
Modal Verbs for Prohibition

Name _______________ Date ______________


1. Rewrite using the word in brackets to give the same meaning.

1. It’s not necessary to pay extra money for that dress. (don’t have to)
_____________________________
2. It’s necessary to respect the school rules. (have to)
_____________________________
3. I advise you not to go out because you’ve got a high temperature. (shouldn’t)
_____________________________

4. It’s necessary not to swim when the sea is rough. (mustn’t)
______________________________

5. It’s necessary to brush your teeth after meals. (must)
_____________________________

2. Correct the underlined mistakes.

If you are travelling by plane you (1) don’t have to know some travelling tips. First, you (2) mustn’t be at the airport at least two hours before the flight. Also, you (3) don’t have to take scissors and knives with you on board the plane because it’s forbidden. Then while the plane is taking off, you (4) don’t have to fasten your seat belts but during the flight you (5) have to keep your seat belt fastened as there is no need for that. During the flight, you won’t feel bored: You can find magazines, watch films, or even listen to music so you (6) mustn’t worry about that. Finally, while the plane is landing, you (7) don’t have to fasten your seat belt again.

1. _______________ 2. _______________ 3. _______________
4. _______________ 5. _______________ 6. _______________
7. _______________

3. Find the mistakes and correct them.
What to do when you stay at a hotel: First, make sure you have a reservation before checking in. Second, you don’t have to bring any pets into the hotel. Third, you shouldn’t keep your money in the hotel safe. Finally, you must to check out before twelve o’clock noon.
(You will find three mistakes.)
____________________________________

4. Match the phrases and rewrite each sentence below.

A B
1. You won’t have to worry about a. you don’t understand something.
2. You mustn’t take the pen b. the test if you study well.
3. You should ask your teacher if c. to play the piano.
4. You have to buy a ticket when you d. that is not yours.
5. You must listen to the tour guide e. to know about the temple at Luxor.
f. go to the cinema.


1. _____________________________
2. _____________________________
3. _________z___________________
4. ____________________________
5. ____________________________

5. Read the paragraph. Underline the correct word in parentheses.

In order to go rock climbing, you (have to – mustn’t - don’t have to) be strong and you also (shouldn’t - don’t have to - must) have a good sense of balance.
You (mustn’t – must - shouldn’t) know the abilities of your body well. You (don’t have to - mustn’t - should) have a strong will to climb. You (have to - don’t have to - mustn’t) wear your everyday shoes. You need special shoes to prevent slipping. Also, you (don’t have to – should - mustn’t) go climbing if you don’t feel well. You (have to - mustn’t - shouldn’t) obey the safety rules and warning signs. You (mustn’t – must - don’t have to) use safety equipment. Also, you (must - mustn’t - should) wear comfortable clothing that’s suitable for the exercise and the weather.

6. Read the paragraph. Rewrite the underlined parts, beginning with the words shown below.

What should we do to protect ourselves from harmful radiations from the sun? It’s not necessary to stay indoors all the time. When we go outside, it’s a good idea to wear longsleeves to protect our skin from the sun. It’s very important to put sun cream on our skin.It reflects the harmful rays of the sun. We should also wear sunglasses that have UV protection.

1. It's not necessary to stay indoors all the time.
We ____________________________

2. When we go outside, it’s a good idea to wear long sleeves to protect our skin from the sun.
When we go outside, we ___________________________

3. It’s very important to put sun cream on our skin. We__________________________

Secondary 1 – Grammar – Unit 11
Modal Verbs for prohibition
ANSWERS

1.

1. You don’t have to pay extra money for that dress.
2. You have to respect the school rules.
3. You shouldn’t go out because you’ve got a high temperature.
4. You mustn’t swim when the sea is rough.
5. You must brush your teeth after meals.


2.
1. have to / must
2. must / have to
3. mustn’t
4. have to / must
5. don’t have to
6. don’t have to
7. have to / must

3.
What to do when you stay at a hotel: First, make sure you have a reservation before checking in. Second, you mustn’t bring any pets into the hotel. Third, you should keep your money in the hotel safe. Finally, you must / have to check out before twelve o’clock noon.

4.
1-b You won’t have to worry about the test if you study well.
2-d You mustn’t take the pen that is not yours.
3-a You should ask the teacher if you don’t understand something.
4-f You have to buy a ticket when you go to the cinema.
5-e You must listen to the tour guide to know about the temple at Luxor.


5.
In order to go rock climbing, you have to be strong and you also must have a good sense of balance.
You must know the abilities of your body well. You should have a strong will to climb. You mustn’t wear your everyday shoes. You need special shoes to prevent slipping. Also, you mustn’t go climbing if you don’t feel well. You have to obey the safety rules and warning signs. You must use safety equipment. Also, you must wear comfortable clothing that’s suitable for the exercise and the weather.


6.
1. We don’t have to stay indoors all the time.
2. When we go outside, we should wear long sleeves to protect our skin from the sun.
3. We must put sun cream on our skin.