It was the night before Christmas. The snow had been fallingall week(过去完成式的被动语态), and the entire town was covered in snow (过去式被动). In every house, the children had already gone to bed(过去完成式的被动语态), where they dreamed about new toys. Their parents were still awake. Presents were taken out of their hiding place (过去式被动), and were wrapped with paper and bows(过去式被动).
Tomorrow morning, children will run down the stairs. Presents will be opened (未来式被动), Christmas carols will be sung (未来式被动), and Christmas cookies will be eaten (未来式被动). But for now, the house was quiet.
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