MODALS 2: NEEDS MUST
POSSIBILITY vs. NECESSITY Complete the sentences using CAN, CAN’T, COULD, COULDN’T, MUST or MUSTN’T. **N.B.: COULD is the past tense of CAN.
1. She is a small baby. She ______________ eat meat, but she ______________ drink milk.
2. He is so ill that he ______________ see the doctor.
3. It’s raining heavily. You ______________ take your own umbrella.
4. We ______________ pick the flowers in the park. It’s forbidden.
5. I ______________ sing now but I ______________ sing very well when I was a child.
6. Mike is only nine months old. He ______________ eat nuts yet.
7. He has a lot of weight so he ______________ run so fast.
8. I’m very tall, so I ______________ play basketball.
9. You ______________ park that car there. It’s a no-parking zone.
10.Many students in Great Britain ______________ wear a uniform when they go to school.
11.George has traveled a lot. He ______________ speak 4 languages.
12.I ______________ come with you now because I’m studying for my test.
13.Soccer players ______________ touch the ball with their hands. 14.______________ I use your phone ?
15.I’m sorry I ______________ come yesterday. I had to work late.
16.You ______________ speed through the city. It’s dangerous!
17.You have been coughing a lot recently. You ______________ smoke so much.
18.I’m very tired today. I ______________ clean my room now, but I’ll do it tomorrow. 19.I ______________ eat lasagna when I was a child, but I like it today.
20.We ______________ go to the bank today. We haven’t got any money left.
21.You ______________ sleep in that room. It’s full of boxes and other stuff.
22.I ______________ swim very far these days, but ten years ago, I ______________ swim over to the other side of the lake.
23.You have a bad headache, so you ______________ go to bed earlier.
24.I ______________ feed the baby now, so can you do it for me ?
25.Tourists ______________ take their passports with them when they go abroad.

Respuesta :


1. She can't eat meat, but she can drink milk. (Possibility: She is unable to eat meat, but she has the ability to drink milk.)
2. He must see the doctor. (Necessity: It is necessary for him to see the doctor because he is so ill.)
3. You must take your own umbrella. (Necessity: It is necessary for you to take your own umbrella because it is raining heavily.)
4. We mustn't pick the flowers in the park. It's forbidden. (Necessity: It is forbidden for us to pick the flowers in the park.)
5. I can sing now, but I could sing very well when I was a child. (Possibility: I have the ability to sing now, but in the past, I had the ability to sing very well.)
6. Mike can't eat nuts yet. (Possibility: Mike is unable to eat nuts at his current age.)
7. He can't run so fast because he has a lot of weight. (Possibility: He is unable to run fast due to his excess weight.)
8. I can play basketball because I'm very tall. (Possibility: I have the ability to play basketball because of my height.)
9. You mustn't park that car there. It's a no-parking zone. (Necessity: It is necessary for you not to park the car there because it's a no-parking zone.)
10. Many students in Great Britain must wear a uniform when they go to school. (Necessity: It is necessary for many students in Great Britain to wear a uniform when they go to school.)
11. George can speak 4 languages because he has traveled a lot. (Possibility: George has the ability to speak 4 languages due to his extensive travel experience.)
12. I can't come with you now because I'm studying for my test. (Possibility: I am unable to come with you now because I am studying for my test.)
13. Soccer players mustn't touch the ball with their hands. (Necessity: It is necessary for soccer players not to touch the ball with their hands.)
14. Can I use your phone? (Possibility: Asking for permission to use someone's phone.)
15. I couldn't come yesterday. I had to work late. (Possibility: I was unable to come yesterday because I had to work late.)
16. You mustn't speed through the city. It's dangerous! (Necessity: It is necessary not to speed through the city because it is dangerous.)
17. You shouldn't smoke so much. You have been coughing a lot recently. (Necessity: It is advisable for you not to smoke so much because you have been coughing a lot recently.)
18. I mustn't clean my room now, but I'll do it tomorrow because I'm very tired today. (Necessity: It is necessary for me not to clean my room now, but I will do it tomorrow due to my tiredness.)
19. I couldn't eat lasagna when I was a child, but I like it today. (Possibility: I was unable to eat lasagna when I was a child, but I enjoy it now.)
20. We can't go to the bank today. We haven't got any money left. (Possibility: We are unable to go to the bank today because we don't have any money left.)
21. You mustn't sleep in that room. It's full of boxes and other stuff. (Necessity: It is necessary for you not to sleep in that room because it is full of boxes and other