Past Modals Deduction and Speculation

​Some text here about the topic of discussion.

Modals - deductions about the past

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Use modal verbs to express how certain you are about a past event.​

The modals are: must, might, may, could, couldn't, and can't.​

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​- Anthony de Mello

" A good teacher offers practice, a bad one offers theories " 

Multiple Choice

The thief ___ a key. The door was locked and nothing was broken.

• can't have had

• may have had

• must have had

• could have had

Multiple Choice

Police think the suspect ___ the country using a fake passport.

• must have left

• may have left

• couldn't have left

Multiple Choice

She ___ there. Her car keys are still here.

• must have driven

• could have driven

• can't have driven

​https://learnenglish.britishcouncil.org/grammar/b1-b2-grammar/modals-deductions-about-the-past

​https://learnenglish.britishcouncil.org/grammar/b1-b2-grammar/modals-deductions-about-the-past