"Passive Voice in three tenses"

Exercise 1.  Раскройте скобки, употребляя глаголы в Present Simple Passive. (USUALLY)

1. The postbox (to empty) every day.

2.  The stamps (to postmark) at the post office.

3. The letters (to sort) into the different towns.

4. The mail (to load) into the train.

Exercise 2. Раскройте скобки, употребляя глаголы в Past Simple Passive.(YESTERDAY)

1. The mailbags (to unload) after their journey.

2.  The bags (to take) to the post office.

3. The letters (to sort) into the different streets.

4. The letters (to deliver).

Раскройте скобки, употребляя глаголы в Present, Past или Future Simple Passive.

1. My question (to answer) yesterday.

2. Hockey (to play) in winter.

3. Mushrooms (to gather) in autumn.

4. Many houses (to burn) during the Great Fire of London.

5. His new book (to finish) next year.