3 и 4 задание) Прошу помощи у тех, кто хорошо знает английский!!!

1) This room is (not) painted green. 2) The walls are (not)covered in graffiti. 3) Those books were (not) written in Russia. 4) Our school was (not) built last year. 5) Our tests will (not) be corrected tomorrow. 6) The marks will (not)be given out next week.