It’s possible that Jane will visit Switzerland next year. (could)
I’m thinking about taking Spanish lessons. (may)
I’m sure they’ll be home by now. (must)
James definitely isn’t eighteen yet! (can’t)
It’s possible the weather will be sunny tomorrow. (might)
I'm sure she's at home. (must)
I know that isn't Janet-She's in America. (can’t)
I'm sure she thinks I'm stupid. (must)
I bet I look silly in this coat. (must)
They're always buying new cars. I'm certain they have a lot of money. (must)
I'm sure he's not a teacher. He's too well dressed. (can’t)
You're an architect? I'm sure that's an interesting job. (must)
I'm sure you're not serious. I know you're joking. (must)
I'm sure he's got another woman. He keeps coming home late. (must)
This water is possibly dangerous. (could)
Politics is sometimes really boring. (can)
I’m sure he isn’t Spanish (He can’t...)
It isn’t possible for me to see you tonight (I can’t…)
Is it necessary for me to pay for my ticket now? (Do I have to…?)
There is no need to walk. John will give us a lift (We needn’t…)
It isn’t necessary to buy me a gift (You needn’t…)
Special qualifications are not necessary (You needn’t…)
Maybe my boyfriend is coming to see me tonight (My boyfriend…)
Click on the text to see the answers.
ANSWERS
THERE MAY BE MORE THAN ONE POSSIBLE ANSWER
Jane could visit Switzerland next year.
I may take Spanish lessons.
They must be home by now.
James can’t be eighteen yet!
The weather might be sunny tomorrow.
She must be at home.
I know that it can’t be Jane-She's in America.
She thinks I must be stupid.
I must look silly in this coat.
They're always buying new cars. They must have a lot of money.
He can’t be a teacher. He's too well dressed.
You're an architect? It must be an interesting job.
I'm sure you're not serious. You must be joking.
He must have another woman. He keeps coming home late.
This water could be dangerous.
Politics can be really boring.
He can't be Spanish.
I can't see you tonight.
Do I have to pay for my ticket now?
We needn't walk. John will give us a lift.
You needn't buy me a gift.
You needn't have special qualifications.
My boyfriend may/might be coming to see me tonight.
It isn’t necessary for you to take a jacket.
I advise you to see a dentist.
You aren’t allowed to talk during the exam.
It’s forbidden to park here.
I advise you to study harder.
He is obliged to go to the police station twice a week.
Tom knows how to speak Spanish.
He had permission to go to the party.
It isn’t possible that that is our plane.
It isn’t necessary to take a thick coat.
It is possible that Jake is in his room.
Perhaps we will not see them at the weekend.
I don’t know if I will go to the concert.
They are certain that bringing up children is not easy.
It is unnecessary for you to come.
I advise him to give up smoking.
Eating chewing-gum in the class in prohibited. (Students… )
There was an obligation to turn off the mobile phone.
I didn’t have the ability to cook when I was younger.
Click on the text to see the answers.
ANSWERS
You needn’t / don’t have to take a jacket.
You should see a dentist.
You mustn’t talk during the exam.
You mustn’t park here.
You should study harder.
He must go to the police station twice a week.
Tom can speak Spanish.
He could / was allowed to go to the party.
That can’t be our plane our plane.
You needn’t / don’t have to take a thick coat.
Jake may be in his room.
We may not see them at the weekend.
I may not go to the concert.
Bringing up children can’t be easy.
You needn’t / don’t have to come.
He should give up smoking.
Students mustn’t eat chewing-gum in the class.
We must turn off the mobile phone.
I couldn’t cook when I was younger.
He isn’t here. Perhaps he went out (He must ………)
I’m sure the decision was difficult to accept (The decision must…)
I haven’t got my driving licence. I’m sure I left it at home (I must)
I told you to slow down, but you didn’t (You should …)
It is too bad you didn’t get a haircut before you applied for the job (should)
Driving fast in town was a stupid thing to do (You shouldn’t …)
It was a mistake to apply for that job (I shouldn’t …)
It was wrong of her to punish that child (She shouldn’t…)
It’s possible that she has already told him (She may…)
She possibly lost her wallet in the bus (She may…)
It is possible that she has had an accident (She may…)
It’s possible that Alberto tried to call you (Alberto may/might …)
It is possible the thief entered the house through the window (The thief could…)
You had enough money, but still you didn’t pay the bill (You could ……..)
I don’t believe he stole the money (He can’t …..)
I don’t think he caught measles (sarampión) from Sally (He can’t…)
Jerry didn’t steal the jewels; he didn’t know where the key was (Jerry can’t…)
I’m sure he didn’t say that (He can’t…)
More practice: OLD (2,3,4,12)
Nobody has come to the race (The race must ……) [Continue the sentence in a meaningful way]
The car has stopped and won’t move (We must ….) [Continue the sentence in a meaningful way]
Our car looks so clean and shining (It must ……….) [Continue the sentence in a meaningful way]
The police are stopping drivers on the road (There may …) [Continue the sentence in a meaningful way]
I'm sure John locked the office before leaving. He always does.
If I were you I would tell him the truth.
It isn't necessary for her to phone me back.
Ann finished the project on her own although it wasn't necessary to do so.
It was a mistake to sell the house. I wish I hadn't.
Perhaps we'll go swimming tomorrow.
I think Mary is probably at home because the windows are open.
Perhaps John knew about the trip, but I'm not sure.
I'm sure he didn't lock the door. He never does.
Perhaps she was at work when the earthquake struck.
Perhaps we'll rent our house in summer.
It's absolutely necessary that we finish the article today.
It wasn't necessary for him to behave like that.
You cannot smoke in the underground; it's forbbiden.
It's quite possible that they went away last weekend.
I'm sure Ann didn't send that letter.
It was a mistake not to accept his offer. I wish I had.
It is essential that we talk before the meeting starts.
I don't think Ann robbed the money. It's impossible.
Why don't we go on a camping trip?
Let's go to Diagonal Mar!
Perhaps they told John about the party, but I'm not sure.
It isn't necessary for us to book a table; I know one of the waiters.
It's forbbiden to drive without fastening your seatbelt.
It's impossible that they knew about the trip; nobody told them.
If I were you I'd do some more exercises.
Perhaps I go on holiday to Menorca.
It was a mistake to take the car. If only I hadn't!
I'm sure something is happening tonight. Look at those preparations!
It's compulsory for all students to attend lessons.
It's possible that they move to Australia.
I'm sure Helen knows about the accident. She looks very unhappy.
Perhaps he hired a vannette.
You are not allowed to use the phone without permission.
If I were you I wouldn't trust John.
I'm sure she didn't take the key.
Perhaps I'll start a new career.
It was not necessary for you to tell Jan what really happened.
I regret selling the house.
It's compulsory for all visitors to show their ID card.
I wish I had paid for half of the meal, but I didn't
It was wrong of Mary to tell Steve about us.
Perhaps Anita didn't get the message.
It's possible that they went to the cinema.
It wasn't a good idea to ask the other couple to come with us.
I am certain you haven't seen John because he is on a trip.
Click on the text to see the answers.
ANSWER KEY
1. John must have locked the office before leaving. He always does.
2. You should tell him the truth.
3. She doesn't need to/doesn't have to phone me back.
4. Ann finished the project on her own although she didn't need/have to.
5. I shouldn't have sold the house.
6. We might go swimming tomorrow.
7. Mary must be at home.
8. John might have known about the trip, (but I'm not sure).
9. He can't have locked the door. He never does.
10. She may/might have been at work when the earthquake struck.
11. We may/might rent our house in summer.
12. We must/need to finish the article today.
13. He needn't have/didn't need to have behaved like that.
14. You mustn't smoke in the underground; it's forbidden.
15. They can't have gone away last weekend.
16. Ann can't have sent that letter.
17. I should have accepted his offer.
18. We must/have to talk before the meeting starts.
19. Ann can't have robbed the money. It's impossible.
20. Should we go on a camping trip?
21. We should go to Diagonal Mar!
22. They may/might have told John about the party, but I'm not sure.
23. We don't need to/don't have to book a table; I know one of the waiters.
24. You mustn't drive without fastening your seatbelt.
25. They can't have known about the trip; nobody told them.
26. You should do some more exercises.
27. I may/might go on holiday to Menorca.
28. I shouldn't have taken the car.
29. Something must be happening tonight. Look at those preparations!
30. All students must attend lessons.
31. They may/might move to Australia.
32. Helen must know about the accident. She looks very unhappy.
33. He may/might have hired a vannette.
34. You can't use the phone without permission.
35. You shouldn't trust John.
36. She can't have taken the key.
37. I may/might start a new career.
38. You needn't have told Jan what really happened.
39. I shouldn't have sold the house.
40. All visitors must show their ID card.
I should have paid for half of the meal, but I didn't
Mary shouldn't have told tell Steve about us.
Anita might/may not have gotten the message.
The may/might have gone to the cinema.
We shouldn't have asked the other couple to come with us.
You can't have seen John because he is on a trip.