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Level 3: Intermediate >> Speaking and Conversation Materials/Discussion Starters >> practices "must be", "can't be", "could be" and other modal verbs of deduction.

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Modals of Deduction

Students look at one or more of the photos below and give sentences using on of the following expressions:

could be - might be - can't be - must be

Students can work in groups to come to some conclusions.

Obviously, this can be done with a huge variety of different pictures. Some examples are given here of the type of language to expect/aim for.

esl lounge

They must be at school.
It can't be August.
They might be training for a tournament.


It must be very frightened.
The cart must be too heavy.

english grammar

It might be a pet pig.
It could be a local fair.
It must be in America.

learning english

It can't be summer.
They must be very cold.
They might be tourists.