--- Should shouldn't should shouldn't Should I help your brother?

They --- Should shouldn't should shouldn't Should eat fast-food.

My mother --- Should shouldn't should shouldn't Should drive a car.

--- Should shouldn't should shouldn't Should we ask her about next test?

We --- Should shouldn't should shouldn't Should go to the dentist.

--- Should shouldn't should shouldn't Should we play football in the street?

John --- Should shouldn't should shouldn't Should be so bad-tempered.

She --- Should shouldn't should shouldn't Should go on holidays.

You --- Should shouldn't should shouldn't Should talk with strangers.

You --- Should shouldn't should shouldn't Should try and do this exercise even if you don't know how.