VII/ Passive voice with negative form
cái gì được làm (bằng dụng cụ gì), ở đâu, bởi ai, khi nào.
1. The police didn’t ask questions about the thief.
..............................................................................................................................................................................
2. She isn’t going to write a poem.
..............................................................................................................................................................................
3. No one changed the window of the lab.
..............................................................................................................................................................................
4. Tom hasn’t finished the exercises.
..............................................................................................................................................................................
5. We mustn’t finish the test before ten.
..............................................................................................................................................................................