Grammar / B1 Grammar lessons and exercises\ Have to, must, should: Obligation, prohibition, necessity, advice
Complete each sentence with the most appropriate modal verb from this list: can – could – must – mustn’t – should – shouldn’t – have to – don’t have to – ought to – ought not to – were able to. 💡 Remember: 'ought to' is more formal than 'should'. Use 'ought to' (NOT 'should') in formal sentences.
The advice from the health committee is that all people with symptoms go to the doctor.
This is a non-smoking area, you smoke here.
I hate big multinational companies. I think they pay more taxes.
When she was 4 years old, she read perfectly well.
I get up early tomorrow; I want to go running very early.
You eat so many sweets. They are bad for you.
We wear a tie at work. I hate it!
The board agreed that employers have access to an employee's medical file.
There was a lot of traffic, but fortunately we arrive on time.
I'm not working tomorrow, so I get up early.