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.

1 - present continuous2 - present indefinite3 - past indefinite4 - present perfect5 - past perfect6 - past continuous7 - future indefinite8 - future perfect