1. I ought to go to the library now.
I must go to the library now.
_____
2. Jay doesn’t have to stay up late.
Jay shouldn’t stay up late.
_____
3. Tim must revise for his exam.
Tim has to revise for his exam.
_____
4. You ought to use that website for your project.
You should use that website for your project.
_____
5. Emily has to practise for her piano exam.
Emily should practise for her piano exam.
_____
6. You mustn’t go there on your own.
You don’t have to go there on your own.
_____
7. He shouldn’t cycle in this weather.
He oughtn’t to cycle in this weather.
_____
8. You mustn’t tell Susie about her surprise party.
You shouldn’t tell Susie about her surprise party.
_____
Complete the sentences so they mean the same, using the modals have to, must, ought to
and should. Sometimes more than one answer is possible.
1. It’s absolutely essential for Ben to leave now.
Ben __________________________________________________________ leave now.
2. It’s a good idea for you to put a coat on.
You __________________________________________________________ put a coat on.
3. Never ride your bike without a helmet.
You __________________________________________________________ ride your bike
without a helmet.
4. It’s absolutely essential for us to buy cinema tickets in advance.
We __________________________________________________________ buy cinema
tickets in advance.
5. It isn’t a good idea for children to eat sweets between meals.
Children __________________________________________________________ eat sweets
between meals.
6. It isn’t necessary for them to bring any food to the party.
They __________________________________________________________ bring any
food to the party.
7. It’s absolutely essential for me to talk to the teacher.
I __________________________________________________________ talk to the teacher.
8. It isn’t necessary for her to look after her little brother this evening.
She __________________________________________________________ look after her
little brother this evening.
Number of correct answers: _________
