Rewrite the sentences with can,can't,could,couldn't,should and shouldn't. don't eat in that restaurant.it's horrible. you shouldn't eat in that restaurant. 1)the school doesn't let us use mp3 players. 2)why not look for the information online? 3)is it ok if i watch tv now? 4)we were too young to apply for the job. 5)it's a good idea to revise before a test. 6)they had permission to go on the excursion.