I …. write an essay on Saturday night, so I couldn't go to the cinema with my friends.

The teacher …. round the field five times. I was exhausted by the end!

You …. sit in those seats. They’re reserved.

The coach … students wear shoes in the gym.

Anna’s managers … her call her friends when she is at work.

You …. stop eating so much candy. It's not good for your teeth.

You …. go on the building site without a hard hat. It's too dangerous.

Please …. me to go to the concert. I promise to be home by eleven o’clock.

You …. to go home early. It's against the rules.

Write a paragraph about: «What do you think is the worst invention? Why?»