Modals of Deduction

Содержание

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Modals of Deduction We are going to look at deduction You

Modals of Deduction

We are going to look at deduction
You are going

to practiSe by making
Some sentences
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Modals of Deduction Who is Sherlock Holmes?

Modals of Deduction

Who is Sherlock Holmes?

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Modals of Deduction Who is Sherlock Holmes? Do you know how

Modals of Deduction

Who is Sherlock Holmes?
Do you know how he solved

many
of his cases?
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Modals of Deduction What is deduction?

Modals of Deduction

What is deduction?

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Modals of Deduction What is deduction? Deductions = guesses based on facts you know.

Modals of Deduction

What is deduction?
Deductions = guesses based on facts you

know.
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Modals of Deduction What are modal verbs?

Modals of Deduction

What are modal verbs?

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Modals of Deduction What are modal verbs? Must, Can’t, May, Might, Could

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

Deductions = guesses based on known facts. You can use modal

verbs. We can make deductions about
the present :
must be
Very sure - 99%
can't be - Very sure
We think it's impossible – 99%
may / might / could be
We think it's possible - 50%

Modals of Deduction

The Present

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Modals of Deduction The Present Deductions = guesses based on known

Modals of Deduction

The Present

Deductions = guesses based on known facts.
What deductions

can you make about this photo?
must be
Very sure - 99%
can't be - Very sure
We think it's impossible – 99%
may / might / could be
We think it's possible - 50%
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Deductions He must be a chef. - Very sure - 99%

Deductions
He must be a chef. - Very sure - 99%
He can't

be a policeman. - Very sure - we think it's impossible - 99%
He may / might / could be famous. We think it's possible - 50%

Modals of Deduction

The Present

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How many deductions can you make about this photo? must be

How many deductions can you make about this photo?

must be

- Very sure - 99%
can't be - Very sure - We think it's impossible - 99%
may / might / could be - We think it's possible - 50%

The Present

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must be - Very sure - 99% can't be - Very

must be - Very sure - 99%
can't be -

Very sure - We think it's impossible - 99%
may / might / could be - We think it's possible - 50%

The Present

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They must be friends They can’t be working They might be

They must be friends They can’t be working They might be married

must be - Very sure - 99%
can't be - Very sure - We think it's impossible - 99%
may / might / could be - We think it's possible - 50%

The Present

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must be - Very sure - 99% can't be - Very


must be - Very sure - 99%
can't be

- Very sure - We think it's impossible - 99%
may / might / could be - We think it's possible - 50%

The Present

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It must be a mask It can’t be real It may

It must be a mask It can’t be real It may

be for a film

must be - Very sure - 99%
can't be - Very sure - We think it's impossible - 99%
may / might / could be - We think it's possible - 50%

The Present

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must be - Very sure - 99% can't be - Very


must be - Very sure - 99%
can't be

- Very sure - We think it's impossible - 99%
may / might / could be - We think it's possible - 50%

The Present

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He must be hiding He can’t be very old He could

He must be hiding He can’t be very old He could

be afraid


must be - Very sure - 99%
can't be - Very sure - We think it's impossible - 99%
may / might / could be - We think it's possible - 50%

The Present

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must be - Very sure - 99% can't be - Very


must be - Very sure - 99%
can't be

- Very sure - We think it's impossible - 99%
may / might / could be - We think it's possible - 50%

The Present

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She must be at home She can’t be working She might

She must be at home She can’t be working She might

be chatting to friends

must be - Very sure - 99%
can't be - Very sure - We think it's impossible - 99%
may / might / could be - We think it's possible - 50%

The Present

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must be - Very sure - 99% can't be - Very

must be - Very sure - 99%
can't be -

Very sure - We think it's impossible - 99%
may / might / could be - We think it's possible - 50%

The Present

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He must be running away The plane can’t be very new

He must be running away The plane can’t be very new

He could be a criminal


must be - Very sure - 99%
can't be - Very sure - We think it's impossible - 99%
may / might / could be - We think it's possible - 50%

The Present

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Modals of Deduction We can also make deductions about the 'How

Modals of Deduction

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
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Modals of Deduction He must have climbed through the window. =

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

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How many past deductions can you make about these photos Must

How many past deductions can 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%
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He must have robbed a bank He can’t have Taken much

He must have robbed a bank He can’t have Taken much money The

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%

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Must have - Very sure - we think it's possible 99%

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 must have caught him He can’t have escaped They may

They must have caught him He 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%

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Must have - Very sure - we think it's possible 99%

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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She must have won She can’t have expected to win She

She must have won She can’t have expected to win She may have

won Miss World

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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Must have - Very sure - we think it's possible 99%

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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The car must have crashed They can’t have been hurt They

The car must have crashed They 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%

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Must have - Very sure - we think it's possible 99%

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 must have been travelling They can’t have gone by train

They must have been travelling They 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%

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Must have - Very sure - we think it's possible 99%

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 must have been angry It can’t have been an accident

They must have been angry It can’t have been an accident The

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%

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Must have - Very sure - we think it's possible 99%


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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He must have been working very hard he can’t have finished

He must have been working very hard he can’t have finished He could

have gone to bed late last night


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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Must have - Very sure - we think it's possible 99%

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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It must have been raining It can’t have been for long

It must have been raining It can’t have been for long

It might have been a shower

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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Must have - Very sure - we think it's possible 99%

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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He must have scored HE CAN’T HAVE LOST His team might

He must have scored HE CAN’T HAVE LOST His team might have won The

game

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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Must have - Very sure - we think it's possible 99%

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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She must have had an accident She can’t have been there

She must have had an accident She can’t have been there for

long She may have been attacked

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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Must have - Very sure - we think it's possible 99%

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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She must have been running SHE CAN’T HAVE LOST CONCIOUSNESS She

She must have been running SHE CAN’T HAVE LOST CONCIOUSNESS She might

have won

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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Must have - Very sure - we think it's possible 99%

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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He must have been eating HIS MUM CAN’T HAVE FED HIM

He must have been eating HIS MUM CAN’T HAVE FED HIM He

may have been eating ice cream

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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Must have - Very sure - we think it's possible 99%

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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SHE MUST HAVE HAD AN ACCIDENT She can’t have been looking

SHE MUST HAVE HAD AN ACCIDENT She can’t have been looking where she

was going She may have hurt herself

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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Must have - Very sure - we think it's possible 99%

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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He must have failed He can’t have passed It might have

He must have failed He 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%

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Must have - Very sure - we think it's possible 99%

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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He must have climbed up He can’t have been there for

He must have climbed up He can’t have been there for long He

might have got lost

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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Must have - Very sure - we think it's possible 99%

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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? Must have - Very sure - we think it's possible

?

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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... We must have finished Must have - Very sure -

... We must have finished

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%