Open the brackets using Present, Past або Future Simple ...

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Open the brackets using Present, Past або Future Simple PassiveUse Past Simple Passive. (YESTERDAY) 1. The postbox (to empty) yesterday. 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. 5. The mailbags (to unload) after their journey.
 
5. Use Future Simple Passive. (TOMORROW) 1. The postbox (to empty) tomorrow. 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. 5. The mailbags (to unload) after their journey