The document discusses modal verbs and their uses in English sentences. It provides examples of common modal verbs like may, might, could, can, must, have to, mustn't, don't have to, and should. It then provides two exercises for learners to practice using modal verbs to complete sentences about ability, permission, obligation, prohibitions, and absence of obligation.

1. MODAL VERBS
MAY POSSIBILITY It may rain tomorrow.
MIGHT I might travel to London next summer
COULD POSSIBILITY He could move to a new house.
ABILITY /PERMISSION My grandfather could speak 4 languages.
Could I open the window?
CAN ABILITY/PERMISSION I can’t use an I-Pod.
Can I go to the cinema, mum?
MUST RULES/ NECESSITY You must drive on the left in Britain.
OBLIGATION (internal) I must visit my grandparents.
HAVE TO OBLIGATION (external) Nurses have to wear uniform to work.
MUSTN’T PROHIBITIONS (not You mustn’t park here.
allowed)
DON’T HAVE TO ABSENCE OF OBLIGATION You don’t have to finish your homework
today. You can do it tomorrow.
SHOULD ADVICE You should buy that dress, it’s very beautiful.
1. Complete the sentences with CAN/CAN’T/COULD/COULDN’T/MAY (NOT).
1. Look at Sally! She ___________ swim fast.
2. I ___________ go to the party. I haven’t decided yet.
3. Brad ___________ go to the magic show because he was on holiday.
4. ___________ you ride a bicycle when you were five?
5. I think you should take an umbrella because it ___________ rain.
6. My dad ___________ cook, but he always tries.
7. Danny ___________ read when he was four years old.
8. This exercise ___________ be easy, but let’s try.
9. I ___________ hear what you said because the music was so loud.
2. Complete the sentences with MUST/HAVE TO/ MUSTN’T / DON’T HAVE TO
1. I _______________ visit my friend. It’s her birthday.
2. She _______________ wear uniform at school.
3. She is ill. She _____________ stay in bed.
4. You _______________ drink a lot of water in hot weather.
5. She _______________ bring an umbrella. It isn’t raining.
6. I _______________ tidy my room this weekend.
7. You ______________ take the passport if you want to go abroad.
8. She _______________ work late today. Her boss ordered her to stay until 10.
9. You _______________ bring any food. I’ve got plenty of it. (X)
10. You _______________ go to the supermarket. I’ll do it. (X)
11. You _______________ swim in this part of the river. It’s dangerous. (X)
12. You _______________ smoke here. It’s against the law. (X)
13. Have a rest. You _______________ finish the project now. (X)
14. We _______________ arrive late at school. (X)
15. You _______________ pay for the tickets. They are free. (X)