Permission, obligation, necessity

Which is NOT possible in the sentence?

We ... check out before 12 or the hotel will charge us for another night.

• need to

• 've got to

• should

• could

Which is NOT possible in the sentence?

When we were children, we ... stay out late.

• couldn't

• shouldn't

• weren't allowed to

• 'd better not

Which is NOT possible in the sentence?

I ... packed some warmer clothes - I'm freezing!

• should have

• must have

• ought to have

• could have

Which is NOT possible in the sentence?

You ... drop litter here, but many people do.

• mustn't

• aren't supposed to

• don't have to

• shouldn't

Which is NOT possible in the sentence?

Some members of my family ... attend our wedding because it was held abroad.

• couldn't

• weren't able to

• could not

• needn't

Which is NOT possible in the sentence?

I ... study tonight because my exams are over.

• mustn't

• needn't

• don't have to

• can't

Which sentence means the same as this one?

It is compulsory for motorcyclists to wear a helmet.

• You have to wear a helmet on a motorbike.

• You should wear a helmet on a motorbike.

• You mustn't wear a helmet on a motorbike.

• You are permitted not to wear a helmet on a motorbike.

Which sentence means the same as this one?

We regret buying such a big house.

• We mustn't buy such a big house.

• We needn't have bought such a big house.

• We couldn't buy such a big house.

• We didn't have to buy such a big house.

Which sentence means the same as this one?

I couldn't wear jeans to work in my previous job.

• I was permitted to wear jeans in my previous job.

• I was supposed to wear jeans in my previous job.

• I was not allowed to wear jeans in my previous job.

• I was allowed not to wear jeans in my previous job.

Which sentence means the same as this one?

The sign says 'Don't walk on the grass', but nobody takes any notice.

• You can walk on the grass.

• You are permitted to walk on the grass

• You ought to walk on the grass

• You aren't supposed to walk on the grass.