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Modal
Verbs
can
could
must
have to
should
would
will shall
can’t
couldn’t
mustn’t
don’t
have to
shouldn’t
wouldn’t
won’tshan’t
ABILITIES
CAN
PERMISSION
ASK GIVE
COULD
Ability in the
past
Polite Request
Ask for permission
Practise: can/ could
1. ______________ you swim when you were 10?
2. We _____________ get to the meeting on time
yesterday because the train was delayed by one
hour.
3. He’s amazing, he ________ speak 5 languages
including Chinese.
4. I looked everywhere for my glasses but I _________
find them anywhere. .
5. I _________________ lift this box – it’s too heavy!
Would you help me?
6. ____________you help me with the homework?
MUST
Personal
Obligation It is essential
or necessary
HAVE TO
External
Obligation
Practise: must/ have to
1) My boss told me that I (have to, must) work
overtime this week.
2) I (must, have to) get my hair cut before the dance.
3) She (has to, must) pay monthly rent to live in her
apartment.
4) Ted’s dad said that he (must, has to) clean his
room before he can play.
5) I (have to, must) buy those pretty red shoes.
6) The runner (has to, must) win the race to get a gold
medal.
7) The police officer said that I (must, have to) go to
jail.
8) I (must, have to) win this game of cards.
MUSTN’T
Prohibition
Don’t have to You needn’t
No obligation
Practise: must/mustn’t/
don’t have to/ needn’t
Exercise 1
Should Shouldn’t
We give our opinion , our advise or
recommendation.
Exercise 1
Would
Polite request Polite offers
Should or Would?
Exercise 2
Exercise 1
Will
Exercise 1
Shall
Offers
I …?
we …?
Yes, I shall
No, I shan’t
Exercises
Should, could, would
Can- Have to
Can- Should-Must
More exercises