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MODAL VERBS:
STRUCTURE & USE
What are modal verbs?
• Can
• Could
• May
• Might
They are Auxiliary verbs that
provide additional and specific
meaning to the main verb of the
sentence
• Must
• Shall
• Should
• Ought to
• Will
• Would
sentence
How do we use modals?
Example: Mary could play the piano
S
Subject
V
Verb
M
Example: Mary could play the piano
They do not accept conjugation
They do not need other auxiliary verbs
Form
He can ski He cans ski or He can skis
There is no “s” in singular
There is no “do / does” in the question
There is no “don’t / doesn’t” in the negative
He can ski He cans ski or He can skis
Would you like to come with me?
Do you would like to come with me?
They can’t be serious
They don’t can be serious
Form
to can / caning to must /musting
Modal verbs do not have infinitives or –ing forms
She must study (strong obligation)
We should have gone the other way (recommendation)
He could play football in his youth (ability in the past)
Modal verbs are followed by an infinitive without to
Form
Modal verbs do not have all the tenses
Modal verbs use other verbs to complete the tenses
Can is completed with be able to
Must is completed with have to
They can play the piano They will be able to play the piano in the future
You must come early You had to come early yesterday
What do they express?
1. Single Concept Modal: they have one meaning
They can have more than one meaning
depending on the situations
1. Single Concept Modal: they have one meaning
2. Double Concept Modal: they have two meanings
3. Modals in past: They are used to express a situation
in the past
Categories
Single concept
Modals
Double Concept
Modals
Modals in Past
Will
Might
Should
May
Must
Would
Would have
Could have
Might have
Should
Ought to
Had better
Would
Shall
Could
Can
Might have
Should have
May have
Must have
Single Concept Modal
Modal Concept Examples
Will Future Joe will travel to NY next week
Might Small probability I might move to Canada some day
Should Recommendation You should go to the doctor
Ought to Formal recommendation We ought to know about first aids
Had better Warning I had better study or I will fail the test
Double Concept Modal
Modal Concept Examples
May (1) Permission May I come in?
May (2) Good probability We may visit Mexico this summer
Must (1) Responsibility Everyone must pay taxes
Must (2) Assumption She didn’t arrive. She must be sick
Would (1) Past (used to) When I was young, I would play soccer
Would (2) Present unreal I would buy the car but I can’t afford it
Double Concept Modal
Modal Concept Examples
Shall (1) Educated expression
Offer
Excuse me, I shall go now
Shall I clean it?
Shall (2) Contractual obligation The company shall pay on January 1st
Could (1) Unreal Ability I could go if I had time
Could (2) Past Ability She could play the piano (but she can’t
anymore)
Can (1) Present Ability We can speak English
Can (2) Permission Can I have a candy?
PROBABILITY/
POSSIBILITY
ABILITY PERMISSION OBLIGATION/
ADVICE
OFFERS
CAN I can play the
piano
Can I go out
tonight?
CAN’T She can’t be his mum.
She ‘s too young
I can’t speak
German
Can I borrow the
car? No, I can’t.
MIGHT It might rain tomorrow
COULD It could rain tomorrow I could already
read when I was
two
Could I see your
passport please,
sir?
MAY It may rain tomoroww May I leave the
table?
MUST She must be his sister
because they look
alike.
You must leave
before the clock
strikes twelve.
HAVE TO I have to study
tonight.
SHALL You shall pay on
Tuesday
Shall I help you?
SHOULD /
OUGHT TO
You should see it.
It’s excellent.
HAD BETTER You had better
sleep more.
WOULD Would you like a
drink?
Modals in the Past
They are modals referred to actions that
happened in the past
MODAL + HAVE + verb in past participle
It must have been a difficult decision
They should have invited her to their wedding
MODAL + HAVE + verb in past participle
MODAL PERFECT USES EXAMPLES
MUST HAVE + P.P. Logical conclusion on a past event Peter has arrived late. He must
have been in a traffic jam
MAY / MIGHT HAVE + P.P. Deduction on a past event Joe may / might have taken the
wrong train.
COULD HAVE + P.P. Possibility to do something, gone
unfulfilled
You could have played better
COULDN’T HAVE + P.P. Certainty that something couldn’t have
happened
He couldn’t have passed
because you hadn’t studied
enough
WOULD HAVE + P.P. Desire to do something, but
impossibility to do it for external
causes
I would have visited you, but I
forgot your address
SHOULD /
OUGHT TO HAVE + P.P.
Lament on something that should have
been done
You should / ought to have
warned me earlier
SHOULDN’T HAVE + P.P. Critique on something that shouldn’t
have happened
He shouldn’t have told them
NEEDN’T HAVE + P.P. Somthing that wasn’t necessary doing You needn’t have bought it .
Modals-like verbs:
Modal Concept Example
Like to Enjoy I like to watch TV
Want to Desire John wants to buy a car
A few verbs which often serve as modals too.
They need to be conjugated.
Want to Desire John wants to buy a car
Need to Necessity We really needed to talk to you
Have to Obligation Susan had to pay the rent
Have got to Have to I’ve got to go now
Look forward to Future plan I look forward to seeing you again
Practise
1. My son ___ be home by now. Where can he be?
a. Have to b. would c. should d. could
2. I think your thumb is broken. You ___ go to the emergency room.
a. Might b. could c. ought to d. can
If you are interested in losing weight, you ______ try this new diet.
3. If you are interested in losing weight, you ______ try this new diet.
a. Could b. mustn’t c. don’t have to d. had to
4. John’s fallen down the stairs! I ________ call an ambulance!
a. Will b. might c. may d. ought to
5. You _______ come too early. We won’t leave until 9 o’clock.
a. Has to b. must c. needn’t d. can’t
Practise
6. Children ________ be accompanied by an adult at the zoo.
a. Ought to b. must c. would d. mustn’t
7. You _________ talk during tests. It’s forbidden!
a. don’t have to b. mustn’t c. couldn’t d. ought to
I can feel the heat. We _________ be near the fire.
8. I can feel the heat. We _________ be near the fire.
a. Can b. would c. must d. have to
9. They ________ hear him because he was whispering.
a. Wouldn’t b. mustn’t c. shouldn’t d. couldn’t
10. You’ve never heard of Britney Spears? You ________ be serious!
a. Must b. had to c. can’t d. shouldn’t
Practise
11. __________ you like to have dinner with me tonight?
a. Could b. may c. should d. would
12. You _________ let him hear about the party tomorrow. It’s a surprise!
a. mustn’t b. wouldn’t c. couldn’t d. can
a. mustn’t b. wouldn’t c. couldn’t d. can
13. __________ I speak to the Chief Councellor, please?
a. Must b. May c. Would d. Need
14. He has arrived late. He _______ missed the bus
a. Must have b. Should have c. Could have d. must
More practise
Re-write the following sentences using modals so that they have the same
meaning.
1. I suggest that you get a good lawyer!
You ___________________________________________
2. A university degree isn’t necessary for that job.
should get a lawyer
2. A university degree isn’t necessary for that job.
You ___________________________________________
3. Perhaps my father will pick you up.
My father _______________________________________
4. 4. Eating is forbidden in class!
You ___________________________________________
needn’t have a university degree for that job
don’t have to have a university…
may / might pick you up
mustn’t eat in class
More practise
Re-write the following sentences using modals so that they have the same
meaning.
5. Look at his dirty clothes! I’m sure he is a poor person.
He ____________________________________________
6. I don’t believe that the legend of Hercules is true because there are
must be a poor person
6. I don’t believe that the legend of Hercules is true because there are
many contradictions.
The legend of Hercules ____________________________
can’t be true
Use your imagination
Think about these situations and create a sentence using modals.
1. We are going to Paris for a weekend. (Make suggestions about things to
do)
2. We start school in September. (Talk about necessity)
3. Margaret is a very talented sportswoman. (Talk about ability)
3. Margaret is a very talented sportswoman. (Talk about ability)
4. You have just won the lottery! (Talk about possibility)
5. Peter has got a headache and a congested nose. (Give him some advice)
6. You want to borrow your uncle’s Mercedes Benz. (Ask for permission
politely)
Possible answers
1. We could visit the Louvre / We should go up the Eiffel Tower
2. We have to buy a new notebook
3. She can speak 3 languages! / She is able to play the piano and the violin
3. She can speak 3 languages! / She is able to play the piano and the violin
4. I might stop working / I may buy a new car / I can travel to New York
5. You should see a doctor / You ought to drink hot tea
6. Can I borrow your car, please? or May I borrow your car, please?

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English Modals.pdf

  • 2. What are modal verbs? • Can • Could • May • Might They are Auxiliary verbs that provide additional and specific meaning to the main verb of the sentence • Must • Shall • Should • Ought to • Will • Would sentence
  • 3. How do we use modals? Example: Mary could play the piano S Subject V Verb M Example: Mary could play the piano They do not accept conjugation They do not need other auxiliary verbs
  • 4. Form He can ski He cans ski or He can skis There is no “s” in singular There is no “do / does” in the question There is no “don’t / doesn’t” in the negative He can ski He cans ski or He can skis Would you like to come with me? Do you would like to come with me? They can’t be serious They don’t can be serious
  • 5. Form to can / caning to must /musting Modal verbs do not have infinitives or –ing forms She must study (strong obligation) We should have gone the other way (recommendation) He could play football in his youth (ability in the past) Modal verbs are followed by an infinitive without to
  • 6. Form Modal verbs do not have all the tenses Modal verbs use other verbs to complete the tenses Can is completed with be able to Must is completed with have to They can play the piano They will be able to play the piano in the future You must come early You had to come early yesterday
  • 7. What do they express? 1. Single Concept Modal: they have one meaning They can have more than one meaning depending on the situations 1. Single Concept Modal: they have one meaning 2. Double Concept Modal: they have two meanings 3. Modals in past: They are used to express a situation in the past
  • 8. Categories Single concept Modals Double Concept Modals Modals in Past Will Might Should May Must Would Would have Could have Might have Should Ought to Had better Would Shall Could Can Might have Should have May have Must have
  • 9. Single Concept Modal Modal Concept Examples Will Future Joe will travel to NY next week Might Small probability I might move to Canada some day Should Recommendation You should go to the doctor Ought to Formal recommendation We ought to know about first aids Had better Warning I had better study or I will fail the test
  • 10. Double Concept Modal Modal Concept Examples May (1) Permission May I come in? May (2) Good probability We may visit Mexico this summer Must (1) Responsibility Everyone must pay taxes Must (2) Assumption She didn’t arrive. She must be sick Would (1) Past (used to) When I was young, I would play soccer Would (2) Present unreal I would buy the car but I can’t afford it
  • 11. Double Concept Modal Modal Concept Examples Shall (1) Educated expression Offer Excuse me, I shall go now Shall I clean it? Shall (2) Contractual obligation The company shall pay on January 1st Could (1) Unreal Ability I could go if I had time Could (2) Past Ability She could play the piano (but she can’t anymore) Can (1) Present Ability We can speak English Can (2) Permission Can I have a candy?
  • 12. PROBABILITY/ POSSIBILITY ABILITY PERMISSION OBLIGATION/ ADVICE OFFERS CAN I can play the piano Can I go out tonight? CAN’T She can’t be his mum. She ‘s too young I can’t speak German Can I borrow the car? No, I can’t. MIGHT It might rain tomorrow COULD It could rain tomorrow I could already read when I was two Could I see your passport please, sir? MAY It may rain tomoroww May I leave the table? MUST She must be his sister because they look alike. You must leave before the clock strikes twelve. HAVE TO I have to study tonight. SHALL You shall pay on Tuesday Shall I help you? SHOULD / OUGHT TO You should see it. It’s excellent. HAD BETTER You had better sleep more. WOULD Would you like a drink?
  • 13. Modals in the Past They are modals referred to actions that happened in the past MODAL + HAVE + verb in past participle It must have been a difficult decision They should have invited her to their wedding MODAL + HAVE + verb in past participle
  • 14. MODAL PERFECT USES EXAMPLES MUST HAVE + P.P. Logical conclusion on a past event Peter has arrived late. He must have been in a traffic jam MAY / MIGHT HAVE + P.P. Deduction on a past event Joe may / might have taken the wrong train. COULD HAVE + P.P. Possibility to do something, gone unfulfilled You could have played better COULDN’T HAVE + P.P. Certainty that something couldn’t have happened He couldn’t have passed because you hadn’t studied enough WOULD HAVE + P.P. Desire to do something, but impossibility to do it for external causes I would have visited you, but I forgot your address SHOULD / OUGHT TO HAVE + P.P. Lament on something that should have been done You should / ought to have warned me earlier SHOULDN’T HAVE + P.P. Critique on something that shouldn’t have happened He shouldn’t have told them NEEDN’T HAVE + P.P. Somthing that wasn’t necessary doing You needn’t have bought it .
  • 15. Modals-like verbs: Modal Concept Example Like to Enjoy I like to watch TV Want to Desire John wants to buy a car A few verbs which often serve as modals too. They need to be conjugated. Want to Desire John wants to buy a car Need to Necessity We really needed to talk to you Have to Obligation Susan had to pay the rent Have got to Have to I’ve got to go now Look forward to Future plan I look forward to seeing you again
  • 16. Practise 1. My son ___ be home by now. Where can he be? a. Have to b. would c. should d. could 2. I think your thumb is broken. You ___ go to the emergency room. a. Might b. could c. ought to d. can If you are interested in losing weight, you ______ try this new diet. 3. If you are interested in losing weight, you ______ try this new diet. a. Could b. mustn’t c. don’t have to d. had to 4. John’s fallen down the stairs! I ________ call an ambulance! a. Will b. might c. may d. ought to 5. You _______ come too early. We won’t leave until 9 o’clock. a. Has to b. must c. needn’t d. can’t
  • 17. Practise 6. Children ________ be accompanied by an adult at the zoo. a. Ought to b. must c. would d. mustn’t 7. You _________ talk during tests. It’s forbidden! a. don’t have to b. mustn’t c. couldn’t d. ought to I can feel the heat. We _________ be near the fire. 8. I can feel the heat. We _________ be near the fire. a. Can b. would c. must d. have to 9. They ________ hear him because he was whispering. a. Wouldn’t b. mustn’t c. shouldn’t d. couldn’t 10. You’ve never heard of Britney Spears? You ________ be serious! a. Must b. had to c. can’t d. shouldn’t
  • 18. Practise 11. __________ you like to have dinner with me tonight? a. Could b. may c. should d. would 12. You _________ let him hear about the party tomorrow. It’s a surprise! a. mustn’t b. wouldn’t c. couldn’t d. can a. mustn’t b. wouldn’t c. couldn’t d. can 13. __________ I speak to the Chief Councellor, please? a. Must b. May c. Would d. Need 14. He has arrived late. He _______ missed the bus a. Must have b. Should have c. Could have d. must
  • 19. More practise Re-write the following sentences using modals so that they have the same meaning. 1. I suggest that you get a good lawyer! You ___________________________________________ 2. A university degree isn’t necessary for that job. should get a lawyer 2. A university degree isn’t necessary for that job. You ___________________________________________ 3. Perhaps my father will pick you up. My father _______________________________________ 4. 4. Eating is forbidden in class! You ___________________________________________ needn’t have a university degree for that job don’t have to have a university… may / might pick you up mustn’t eat in class
  • 20. More practise Re-write the following sentences using modals so that they have the same meaning. 5. Look at his dirty clothes! I’m sure he is a poor person. He ____________________________________________ 6. I don’t believe that the legend of Hercules is true because there are must be a poor person 6. I don’t believe that the legend of Hercules is true because there are many contradictions. The legend of Hercules ____________________________ can’t be true
  • 21. Use your imagination Think about these situations and create a sentence using modals. 1. We are going to Paris for a weekend. (Make suggestions about things to do) 2. We start school in September. (Talk about necessity) 3. Margaret is a very talented sportswoman. (Talk about ability) 3. Margaret is a very talented sportswoman. (Talk about ability) 4. You have just won the lottery! (Talk about possibility) 5. Peter has got a headache and a congested nose. (Give him some advice) 6. You want to borrow your uncle’s Mercedes Benz. (Ask for permission politely)
  • 22. Possible answers 1. We could visit the Louvre / We should go up the Eiffel Tower 2. We have to buy a new notebook 3. She can speak 3 languages! / She is able to play the piano and the violin 3. She can speak 3 languages! / She is able to play the piano and the violin 4. I might stop working / I may buy a new car / I can travel to New York 5. You should see a doctor / You ought to drink hot tea 6. Can I borrow your car, please? or May I borrow your car, please?