Modal verbs

Modal verbs

Multiple Choice

Children _______ go to school.

• have to

• don't have to

• mustn't

Multiple Choice

You _______ go out in the sun without suncream on.

• have to

• don't have to

• mustn't

Multiple Choice

Most people_______ work on Sunday.

• have to

• don't have to

• mustn't

Multiple Choice

___ you ____ work on Sundays?

• Do /have to

• have / to

• Do / must

Multiple Choice

What is the past for of these sentences:

I must go
I have to go

• I had to go

• I did have to go

• I must gone

Have to

Have/has to + infinitive

You have to go to school.
She has to study hard.
He doesn't have to wear a uniform.
We don't have to take exams.
Does she have to study maths?

​Strong obligation.
General obligation.

​Has all verb forms:
Past: had to do.
Future: will have to do.
Present perfect: has had to do.
-ing form: hate having to go.

Have got to

Have/has got to + infinitive

We've got to get up early in the morning.
Particular occasion:
I've got to leave for now. Bye!
Repeated obligation:
I always have to tell my parents where I'm going.
Teachers have to prepare lessons and correct homework.

​British
More informal than have to.

Related verbs

Can
Could
May
Might
Will
Would

Shall
Should
Must
Ought to

Challenge

Work in groups
Analize the extract that is assigned to you
Write your summary in the blackboard.