ejercicios para 2º bachiller o 1º

1. GRAMMAR - MODALS AND PERFECT MODALS
MODALES USOS
capacidad permiso posibilidad incapacidad prohibición deducción sugerencia consejo
can x x x
be able to x x
Can't x x x
Could X (en el
pasado)
X (más
educado)
X (tb
could
have)
X más
educada
Couldn't X pasado Couldn't
have
May/might X X tb
may/might
have
May X permiso
más
educado
Should X X
MODALES USOS
Necesidad Obligación Fuerte
creencia o
necesidad
prohibición Ausencia de
obligación/
necesidad
Deducción de un
hecho en el pasado
Crítica o
arrepentimiento
Need to X X
Have to X X
Must X X X
Mustn't X
Don't have
to
X
Needn't X
Must have X
Should(n't)
have
x
Match the sentences on the left with the ones in the right. Then complete the sentences on the
right with the modals below. Pay attention to the words in bold.
might not – can – have to -am not able to – mustn't - should
You don't have to take the bus home after the party I ____________ forget, or they'll worry.
You might meet something nice through this dating site I ___________ discuss something
important with you.
I can't go to the concert with my friends. I ___________ drive you.
I need to call my parents later It ___________ give a good impression.
You shouldn't wear that dress when you meet them I think you ____________ try it.
Can we meet sometime today? I ____________ afford the ticket.
You don't have to take the bus home after the party. I Can drive you.
You might meet something nice through this dating site. I think you should try it.
I can't go to the concert with my friends. I am not able to afford the ticket.
I need to call my parents later. I mustn't forget, or they'll worry.
You shouldn't wear that dress when you meet them. It might not give them a good impression.

2. Can we meet sometime today?I have to discuss something important with you.
Choose two correct answers.
You need to / must / can stop thinking about William! You know he's not interested in you!
I don't have to / mustn't / can't stay out too late tonight. I have an exam early tomorrow.
You should / can / ought to apologise to Jim. You were very rude to him.
It upsets me that Lisa and my parents can't / aren't able to / don't have to get along with each other.
Why not come with me? It could / must / might be fun!
Need to/must – mustn't/can't – should/ought to – can't/aren't able to – could/might
Complete the mini-dialogues with a suitable modal from the last exercises. There may be more
than one possible answer.
A: ____________ you introduce me to your friend, Paul?
B: Sure, but he's got a girlfriend.
A: Hey look – Rita is driving that car!
B: That ____________ be Rita. She hasn't got a driving license.
A: We _______________ get to the surprise party on time.
B: Don't worry, I'll be ready to go soon.
A: Where are you and Ann going on your date tonight?
B: We're not sure. We ________________ go to the cinema.
A: Do you think I _______________ call Ben?
B: Yes, he'll be happy to hear from you.
Can/could – can't – must/have to – might – should/ought to
Complete the dialogue with the words in brackets. Use modal perfects.
– What's wrong? You look upset.
– Yeah, I am. Monica and I had an argument yesterday.
– You _____________________ (should / call) me!
– It was 2 am. I ________________________ (might /wake) you up.
– I _______________________ (would / answer) the phone! Anyway, what did you argue about?
– My friendship with you. She's jealous. She's sure that you and I _____________________
(must / have) a romantic relationship in the past. Also, she thinks I _______________________
(shouldn't / continue) to see you alone once she and I started dating.
– That's crazy! We're best friends!
Should have called – might have woken – would have answered – must have had – shouldn't have
continued
Write sentences with the correct form of the words provided and the modals in brackets. Use
the modal or the modal perfect form.
I / answer / your text yesterday /. (should)
I / go / to the party. I'm tired / (may not)
We / talk / too loudly / . Everyone's asleep. (mustn't)
It's a pity you didn't come with us. You / enjoy / the film (could)
Thanks for your help last week. I / pass / the exam / without it! (couldn't).
should have answered / may not / mustn't / could have enjoyed /couldn't have passed /

3. Correct the errors.
I may borrow your leather jacket?
You should haven't read my diary!
You don't have to wear shorts in the restaurant. They're not allowed.
Could have you avoided an argument with him?
There can be a good band at the club tonight.
May I borrow – shouldn't have read – mustn't – could you have avoided – may/might
Rewrite the sentences with the words in brackets. Do not change the original meaning.
Peter could swim well when he was younger (able to)
I suggest you talk to your parents about it (should)
You needn't go to bed early tonight (have to)
It's possible that Kate didn't know about the party (might not)
I know Angel didn't steal the money (couldn't)
Peter was able to swim well... - you should talk... - you don't have to go.... - Kate might not have
known... - Angel couldn't have stolen
Rewrite the following sentences using the correct modal, simple or perfect.
I regret not preparing my composition.
We require everyone to be here at nine.
It's possible that we go to the interview tomorrow.
She had the chance to buy the car, but she didn't.
I had no way of knowing that the movie was horrible.
It isn't necessary for me to walk to school.
It is not possible that you find your notebook.
There is a chance of rain tomorrow.
Don't copy at the exams!
It was a bad idea to leave the umbrellas at home.
If I were you, I would visit the doctor.
I should have prepared my composition – everyone must be here at nine – we may go to the interview
tomorrow – she wasn't able to buy the car – I couldn't have known that the film was horrible – I needn't/
don't have to walk to school – you can't find your notebook – It might rain tomorrow – You mustn't copy
at the exams – we shouldn't have left the umbrellas at home – you should visit the doctor
Rewrite the following sentences using the correct modal, simple or perfect.
I regret spending so much money.
We require everyone to pay the full fare.
It's possible that the restaurant only has meals at fixed prices.
She had the chance to go, but she didn't.
It was silly of us not to book in advance.
I had no way of knowing that the train timetable was incorrect.
I shouldn't have spent... - everyone must pay... - the restaurant may only have meals... - she could have
gone – we should have booked in advance – I couldn't have known -
Use a modal to rewrite the sentences so that they mean the same. Pay attention to the
underlined verb.
It's possible that the boy missed his dog in the park.
It wasn't necessary for you to help him.
It isn't a good idea to study the last day.
Do your homework because is the rule.
It isn't necessary that you go to the conference.
There is a chance of rain tomorrow.

4. Don't use your mobiles in class!
It was a bad idea to take the devices with us.
It's impossible for him to finish the composition.
If I were you, I would visit my grandparents.
It is not necessary to clean the room. It's already cleaned.
The boy might have missed his dog in the park – you didn't have to help him – we shouldn't have
studied the last day – you must do your homework – you don't have to/needn't go to the conference.
CONDITIONALS AND MODALS
Rewrite the sentences with the words given. Do not change the original meaning.
Jack forgot his wallet at home, so he didn't pay for the film tickets. (If)
_______________________________________________________________________
We have to protect our natural resources today to prevent serious problems in the future.(unless)
_______________________________________________________________________
It wasn't necessary to bring me a gift (need).
_______________________________________________________________________
I'm not sure we made reservations (might)
_______________________________________________________________________
everyone arrived at the meeting. Then we told them the news.(after)
_______________________________________________________________________
Take my advice and buy a small car.(if)
_______________________________________________________________________
I regret lending my car to my neighbour (should).
_______________________________________________________________________
If Jack hadn't forgotten his wallet at home, he would have paid....
Unless we protect our natural resources today, we won't prevent serious problems...
You needn't bring me a gift.
We might not have made reservations
After everyone arrived at the meeting, we told them the news.
If I were you, I would buy a small car.
I should have lent my car to my neighbour.