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被动语态基本用法 当句子的主语是动作的执行者时，谓语的形式是主动语态。 当句子的主语是动作的承受者时，谓语要用被动语态。 被动语态由助动词be+过去分词构成，时态通过be表现出来。 They play football on Sunday. Lucy does the homework in the evening. They often use computers in class. We make these machines in Beijing. 下载地址：http://files.eduu.com/down.php?id=52363 (责任编辑：admin) |