on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble -...
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![Page 1: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/1.jpg)
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
![Page 5: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/5.jpg)
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%
![Page 6: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/6.jpg)
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
![Page 7: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/7.jpg)
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
![Page 8: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/8.jpg)
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
![Page 9: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/9.jpg)
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
![Page 10: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/10.jpg)
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
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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
![Page 12: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/12.jpg)
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%
![Page 13: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/13.jpg)
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%
![Page 14: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/14.jpg)
• 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%
![Page 15: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/15.jpg)
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%
![Page 16: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/16.jpg)
• 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%
![Page 17: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/17.jpg)
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%
![Page 18: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/18.jpg)
• 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%
![Page 19: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/19.jpg)
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%
![Page 20: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/20.jpg)
• 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%
![Page 21: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/21.jpg)
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%
![Page 22: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/22.jpg)
• 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%
![Page 23: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/23.jpg)
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%
![Page 24: on? u o · 2020-07-16 · t be running away new l 9t - ry sure - 99 % 9t - ure - it's ble - 99% 9 d -k ble - 50 %. n • t e ow. = - le - 99% • t e e. - ible - 99% • dow. e ble](https://reader033.vdocument.in/reader033/viewer/2022042923/5f70f3bd8908a96f45306ac3/html5/thumbnails/24.jpg)
• 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%
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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%