Quiz — Grammaire : Les modaux — Obligation, permission, probabilité

Question 1

You _____ touch those files — they’re confidential and only the manager can access them.

Accepted Answer

must not

Answer

don’t have to

Answer

shouldn’t

Answer

can’t

Question 2

Paraphrase this sentence using 'be allowed to': 'It was forbidden to take food into the cinema.'

Accepted Answer

You weren’t allowed to take food into the cinema.

Answer

You mustn’t take food into the cinema.

Answer

You couldn’t take food into the cinema.

Answer

You shouldn’t take food into the cinema.

Question 3

Complete the sentence using the correct modal to express necessity: 'You _____ wear a helmet when riding a bike in this country.'

Accepted Answer

must

Answer

can

Answer

should

Answer

might

Question 4

Which rule explains why the sentence 'You might be able to see the ISS tonight if you look closely' uses 'might' instead of 'can'?

Accepted Answer

Might indicates a weaker possibility than 'can' in this context.

Answer

Might expresses permission while 'can' expresses ability.

Answer

Might is used for past actions; 'can' is only present.

Answer

Might is a modal of deduction; 'can' is for hypothetical situations.

Question 5

Context: 'Look at the trajectory! That probe can't possibly reach the moon at this speed.' What does 'can't' express here?

Accepted Answer

Physical impossibility

Answer

Permission denied

Answer

Past probability

Answer

Strong suggestion

Grammaire : Les modaux — Obligation, permission, probabilité