modals of deduction 2017
TRANSCRIPT
Modals of Deduction
CAN’TMUST
COULD
MIGHT
MAY
(+) Must
• We use ‘must’ when we feel 100% sure that something is true because we have strong evidence about the information.
Present Tenses + must + verb (base form)
She must be furious!
His parents must be rich!
(+) Must
• We use ‘must’ for the past when we feel 100% sure that something happened in the past.
Past Tenses + must have + past participle
They must have had a big party!
The couple must have gotten married!
(+) May / Might / Could
• We use may/might/could when we are not sure about something but we think it is possible.
Present Tenses + may/might/could + verb (base form)
She may be lonely!
She might be lonely!
She could be lonely!
(-) May not / Might not / Could not
• We use may not/might not/could not when we think that something is not exactly true.
Present Tenses + may not /might not /could not + v (base form)
They might not be a couple!
(+) May/Might/Could
• We use may/might/could in the past when we feel unsure about what happened in the past.
Past Tenses + may have + past participle
s + might have + past participles + could have + past participle
• He could have been fired!• He might have gotten into a
fight with someone.• He may have had a bad day.
Can’t
• We use can’t or cannot when we feel 100% sure that something is NOT true because we have strong evidence about the information.
s + can’t + verb (base form)
He can’t be cold!
I’m shocked! You can’t be serious!
Can’t
• We use can’t or cannot in the past when we feel 100% sure that something is NOT true about a past situation.
s + can’t have + past participle
Maria can’t have been sick yesterday! I saw her playing tennis in the morning and
soccer in the afternoon!
Write modals of deduction for the pictures below!
MUST: 1 Present & 1 Past
Write modals of deduction for the pictures below!
CAN’T: 1 Present & 1 Past
Write modals of deduction for the pictures below!
MAY/MIGHT/COULD: 1 Present & 1 Past