4. A modal verb is also known as a helping verb.
It gives additional information about the main
verb that follows it.
Examples:
They must go out . Must: Obligation
They go out . Present simple
They should go out . Should: Advice
They may go out . May: possibility
They can go out . Can: permission
They will go out . Will: Future tense
5. Subject Modal verb Main verb Complement
I
We
They
You
He
She
It
must
can
should
may
will
go to sleep.
drink some water.
eat some food.
do some exercise.
Use the basic form or INFINITIVE of
the main verbs after the modal verbs.
6. Let’s look at the modal verbs of deduction.
Use:
Must: when I’m 100% sure that something is possible.
May (not) and might (not): when I’m unsure about something.
Can’t: when I’m sure that something is not possible.
7. Let’s practise. Look at the pictures
of some celebrities when they were
young. Guess who they are!
Use:
Must or can’t if you’re sure
May (not) or might (not) if you are unsure.
