1 Make the sentences negative and interrogative. V) This exhibition is visited by many tourists. 2) He was given spaghetti for supper. 3) The article will be translated tomorrow. 4) This bill must be paid at once. 5) The students are being prepared for the test. 6) The tickets should be shown to the conductor. 7) First aid has been given to the injured person. 8) The tables were being served at that time. 9) The robbers have been arrested by now. 10) The instructions could have been given yesterday.​