Modals of Obligation and Advice

1 It isn’t necessary to hurry – there’s plenty of time.

We ______to hurry- there’s plenty of time.

2 You aren’t allowed to use your phone in the library.

You _______ use your phone in the library.

3 It isn’t a good idea to drink coffee before you go

to bed.

You ______ drink coffee before you go to bed.

4 It will be necessary to stay at the airport hotel because

we’ve got an early flight.

We _______stay at the airport hotel because we’ve

got an early flight.

5 I think it’s really important for me to visit Gran

tomorrow because it’s her birthday.

I _______visit Gran tomorrow because it’s

her birthday.

6 I think it’s a good idea for us to buy a bigger car.

We _______ buy a bigger car.

7 You aren’t allowed to ride a motorbike without a helmet.

You__________ ride a motorbike without a helmet.

8 Last week, it was necessary for me to go to the

hospital for a check-up.

Last week, I________ go to the hospital for a

check-up.

9 I think it’s really important for us to invite Bill and

Donna for dinner soon.

We ________invite Bill and Donna for dinner soon.

10 It isn’t necessary to pay to go into that museum –

it’s free.

You _______pay to go into that museum – it’s free.