Form sentences using 'should', 'shouldn't', 'ought to', and 'oughtn't to' based on the circus rules.

1. You should bring a camera to capture the performance. 2. You should arrive before the performance begins. 3. You ought to be quiet during the performance. 4. You ought to turn off your mobile phone before the performance. 5. You shouldn't touch the circus animals. 6. You shouldn't bring your own food. 7. You oughtn't to put your feet on the seats. 8. You shouldn't enter the circus area unauthorized.