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on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d...
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Modals of Deduction What is deduction? Deductions = guesses based facts you know. http://efllecturer.blogspot.com/
Transcript of on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d...
Modals of Deduction
What is deduction?Deductions = guesses based facts you know.
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Modals of Deduction
What are modal verbs?
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Modals of Deduction
What are modal verbs?Must, Can’t, May, Might, Could
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Deductions = guesses based on known facts. You can use modal verbs. We can make deductions about the present :
9 must be Very sure - 99%9can't be - Very sure We think it's impossible – 99%9 may / might / could be We think it's possible - 50%
Modals of Deduction
The Present
Modals of Deduction
The Present
Deductions = guesses based on known facts.What deductions can you make about this photo?
9 must be Very sure - 99%9can't be - Very sure We think it's impossible – 99%9 may / might / could be We think it's possible - 50%
Deductions
9He must be a chef. - Very sure - 99%
9He can't be a policeman. - Very sure - we think it's impossible - 99%
9He may / might / could be famous. We think it's possible - 50%
Modals of Deduction
The Present
9 must be - Very sure - 99%
9 can't be - Very sure - We think it's impossible - 99%
9 may / might / could be - We think it's possible - 50%
The Present
He must be hidingHe can’t be very oldHe could be afraid
9 must be - Very sure - 99%
9 can't be - Very sure - We think it's impossible - 99%
9 may / might / could be - We think it's possible - 50%
The Present
9 must be - Very sure - 99%
9 can't be - Very sure - We think it's impossible - 99%
9 may / might / could be - We think it's possible - 50%
The Present
He must be running awayThe plane can’t be very new
He could be a criminal
9 must be - Very sure - 99%
9 can't be - Very sure - We think it's impossible - 99%
9 may / might / could be - We think it's possible - 50%
The Present
Modals of Deduction
• He must have climbed through the window. = Very sure - we think it's possible - 99%
• He can’t have come through the door. = Very sure - we think it's impossible - 99%
• He may / might / could have escaped through the window. = We think it's possible - 50%
We can also make deductions about the
'How do you think the burglar got in?''He must have climbed through the window.'
To make guesses about the past;
= Modal verb + have + past participle
How many past deductionscan you make
about these photos
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
He must have robbed a bankHe can’t have Taken
much moneyThe police might have Seen him
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
They must have caught himHe can’t have escaped
They may have sent him to prison for a long time
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
The car must have crashedThey can’t have been hurt
They may have been driving
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
They must have been travellingThey can’t have gone by train
They might have been on holiday
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
They must have been angryIt can’t have been an accidentThe computer may have been
very slow
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
He must have failedHe can’t have passed
It might have been his first test
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
They may have had an argument
• Must have - Very sure - we think it's possible 99%
• Can’t have - Very sure - we think it's impossible - 99%
• may / might / could have - We think it's possible - 50%
