Образовать отрицательное предложение.
1.He teaches English.
2.Mr.Priestley speaks these languages well.
3.Mr.Priestley can write these languages well.
4.He is sitting by the fire.
5.The students sit in this room.
6.The windows are open.
7.The windows stand open.
8.He can open the window.
9.He opens the windows.