Modals and Modal Perfects

We deliver pizza round the clock. This means you .................. order any time,day or night.

• must

• can

• should

• don't have to

It's illegal to litter. You ............. throw it in the bin.

• should

• can

• must

• aren't able to

It's possible to order tickets online. So you ..............wait in a queue at the theatre.

• don't have to

• aren't able to

• must

• should

Be considerate to elderly people on the bus. Give your seat to passengers who .......... stand.

• aren't able to

• can

• must

• should

There's a train every five minutes. It .......be here soon.

• must

• can

• don't have to

• should

We're lost! We .................... a wrong turn.

• should have taken

• must have taken

• could have taken

• can have taken

The city ........... the roads, but they spent the money on other projects.

• can have improved

• must have improved

• could have imporved

• would have improved

I haven't had a reply from the mayor. He ............ my letter.

• may not have received

• can't have received

• couldn't have received

• shouldn't have received

Street parties disturb the residents. In my opinion, the city ............ them years ago.

• might have banned

• can have banned

• should have banned

• must have banned

Without your help, they ......... a place to live

• wouldn't have found

• should have found

• may have found

• can have found