Viết lại các câu sau:
- Thì quá khứ thường đổi sang thể bị động.
1. That house was built by Bod Smith.
2. The factory was opened at 9 o'clock.
- Thì hiện tại hoàn thành đổi sang thể bị động.
1. A lot of plays have been written by my brother.
2. His second tragedy has just been finished by him.
3. Câu này hình như đề bị lỗi bạn ạ. Đề hợp lí phải là I haven't done my homework.
My homework hasn't been done by me.
4. The moon has just been seen by you.
5. That book has been read by him since he was a boy.