Modal verbs of OBLIGATION
INDEX
What is a modal verb?
Modal verbs for rules
Modal verbs for something not necessary
Modal verbs for advice
Practice
01
What is a modal verb?
What is a modal verb?
A modal verb is used with a main verb to express possibility, ability, permission, or necessity. For example, in the sentence “you must leave,” “must” is a modal verb indicating that it's necessary for the subject (“you”) to perform the action of the verb (“leave”)
MODAL VERBS
02
Modal verbs for rules
Modal verbs for rules
For rules we use:
HAVE TO
MUST
MUSTN'T
Children have to go to school.
You mustn't drop litter here.
I must study today because tomorrow we have an exam.
MUST, HAVE TO AND MUSTN'T
You _________ ____________.
You must listen to the teacher.
You __________ _____________.
You must be quiet in the library.
John _________ _____________.
John has to wear a tie at work.
Visitors ______ _____________.
Visitors mustn't smoke here.
You __________ _____________.
You mustn't eat food here.
03
Modal verbs for something not necessary
Modal verbs for something not necessary
For these we use:
DON'T HAVE TO
Children don't have to go to school at the weekend.
DON'T HAVE TO
she __________ _________________.
She doesn't have to eat it if she doesn’t like it.
You __________ ___________________.
You don't have to bring your headphones.
04
Modal verbs for advice
Modal verbs for advice
For advice we use:
SHOULD
SHOULDN'T
You should check the weather forecast.
You shouldn't forget the umbrella.
SHOULD AND SHOULDn't
You __________ _____________.
You should go for a walk every day.
You __________ _____________.
You shouldn't eat fast food.
You __________ _________________.
You should brush your teeth every day.
05
Practice
Thak you!
INGLÉS - Modal verbs of obligation
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Transcript
Modal verbs of OBLIGATION
INDEX
What is a modal verb?
Modal verbs for rules
Modal verbs for something not necessary
Modal verbs for advice
Practice
01
What is a modal verb?
What is a modal verb?
A modal verb is used with a main verb to express possibility, ability, permission, or necessity. For example, in the sentence “you must leave,” “must” is a modal verb indicating that it's necessary for the subject (“you”) to perform the action of the verb (“leave”)
MODAL VERBS
02
Modal verbs for rules
Modal verbs for rules
For rules we use:
HAVE TO
MUST
MUSTN'T
Children have to go to school.
You mustn't drop litter here.
I must study today because tomorrow we have an exam.
MUST, HAVE TO AND MUSTN'T
You _________ ____________.
You must listen to the teacher.
You __________ _____________.
You must be quiet in the library.
John _________ _____________.
John has to wear a tie at work.
Visitors ______ _____________.
Visitors mustn't smoke here.
You __________ _____________.
You mustn't eat food here.
03
Modal verbs for something not necessary
Modal verbs for something not necessary
For these we use:
DON'T HAVE TO
Children don't have to go to school at the weekend.
DON'T HAVE TO
she __________ _________________.
She doesn't have to eat it if she doesn’t like it.
You __________ ___________________.
You don't have to bring your headphones.
04
Modal verbs for advice
Modal verbs for advice
For advice we use:
SHOULD
SHOULDN'T
You should check the weather forecast.
You shouldn't forget the umbrella.
SHOULD AND SHOULDn't
You __________ _____________.
You should go for a walk every day.
You __________ _____________.
You shouldn't eat fast food.
You __________ _________________.
You should brush your teeth every day.
05
Practice
Thak you!