Петр составил несколько предложений с Passive Voice. Но он не уверен, как расположить их в таблице. Помогите ему.
1. The student is being examined. Don't enter the room.
2. The students are examined twice a year.
3. The paper was published yesterday.
4. The paper has been published already.
5. The paper had been published by 7 o'clock yesterday.
6. The paper was being published at this time yesterday.
7. The letter will be sent tomorrow.
8. The letter will have been sent tomorrow by 7 o'clock.