Be动词倒装句是英语语法中的一种句型，用于强调信息或表示强烈的情感。这种句型通过将谓语动词be提前并与主语调换位置，来强调或突出句子的重点。例如，“我从未见过如此美丽的日落。”、“我们很少有机会出国旅行。”等。
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Never have I seen such a beautiful sunset. （我从未见过如此美丽的日落。）
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Little did she know that her life was about to change forever. （她不知道她的生活即将永远改变。）
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Rarely do we have the opportunity to travel abroad. （我们很少有机会出国旅行。）
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Not only was he late for the meeting, but he also forgot his presentation. （他不仅迟到了会议，而且还忘了他的演讲。）
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Seldom have I tasted such delicious food. （我很少尝过这么美味的食物。）
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Only when we face our fears can we overcome them. （只有当我们面对恐惧时，才能克服它们。）
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Hardly had she finished her work when her boss gave her another assignment. （她刚完成工作，老板就给她另一个任务。）
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Never before had I heard such a talented musician. （我从未听过如此有才华的音乐家。）
