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  • gedou: It has been estimated that if the bridge were packed with cars, it would still only be carrying a third of its total capacity。请问下,It has been estimated that为什么用现在完成时?还有it would still only be carrying这里为什么用进行时?对现在的虚拟, 从句谓语形式是动词过去式(be 用 were),主句谓语形式用would / should / might / could + 动词原形,这里用进行时不太懂

    14-08-27 16:27 回复(1)

  • 方侠: 您好。回复在:h t t p : / / www.bokee.net/bloggermodule/blog_viewblog.do?id=19928631

    回复于 14-08-31 08:44

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