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MODALS OF DEDUCTION

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by

Paola Gómez

on 21 November 2013

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Transcript of MODALS OF DEDUCTION

MODALS OF DEDUCTION
We use modal verbs in a situation where we need deduction and say how sure we are about something.

The following modals can be used to make guesses about a present situation.

Structure
Might
We use 'might', 'may' and 'could' when we are not sure about something or when you make a guess but You are not certain you are correct. ONLY A 50%
EXAMPLE:

• I don't like the sound of the engine. It
might be
a mechanical problem.

• ‘Where’s John?’

‘He’s not here.
He
may
be in the bathroom, or he
might
be in the kitchen.
Structure

May
+
infinitive
Might
+
infinitive WITHOUT 'to'
Must
Use this when you make a guess and you are almost certain that your guess is correct
Structure

Must
+
infinitive
without 'to'
May or Might NOT
Use this when you make a guess about what is not true. You are not certain you are correct.
Example

‘Where’s John?’
‘He’s not here. He
may not be
at work today.’
Structure

May not
+
infinitive
Might not
+
infinitive


Can't
Use this when you make a guess about what is not true, and you are almost certain that your guess is correct.
Example

• It can’t be a mechanical problem. I've just taken the car to a mechanic.

• They can't be very happy about working during the night.

Structure

Can’t
+
infinitive
Common
Mistakes:
1. Many students do not take the opportunity to use these structures when they can.

Maybe your bag is in the classroom. => Your bag might be in the classroom.

Example

• They must be very rich. Look at the house
May
Use and Form:
Sujeto
+
verb modal
+
verb infinitive
wihout
to
Full transcript