1) - We are usually asked by theachers to arrive ten minutes before the exam. 2) - David Copperfleld was written by Dickens in 1850 . 3) - The stolen car have been seen by them in the area. 4) - Tthe train has been delayed by an accident . 5) - The motorway 9is) was built to make journeys to London shorter. 6) - The programmes are not filmed by them In Manchester.