passive present participle(现在分词的被动式)
Most of the artists ____ to the party were from South Africa. A. invited B. to invite C. being invited D. had been invited(全国高考,90-28) 书上给的答案是 A。但我不明白为什么不可以选 C。
选项 C being invited 叫做现在分词的被动式。它用作定语时，表示动作在说话时正在进行，或者与谓语的动作同时发生。根据句意，“邀请”的动作业已完成，故只能使用 invited。请注意现在分词被动式的意义和用法：
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Did you see the boy being questioned by the police? 你看到那个正在受警察审问的男孩了吗？[或:你看到那个男孩受警察审问了吗？(此时 being questioned 为宾语补足语)]
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the patient being operated on 正在动手术的病人
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This is one of the experiments being carried on in our laboratory. 这是我们实验室里正在进行的实验之一。
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the suspects being examined by the police 正在受警察审问的嫌疑人
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We must keep a secret of the thing being discussed here. 这儿讨论的事情我们必须保密。
请做下面的英语试题：
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Did you attend the meeting ____ yesterday? A. to be held B. having been held C. held D. being held
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Having isolated on a remote island, with little work to occupy them, the soldiers suffered from boredom and low spirits. (全国研考,00-11)
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He noticed the helicopter hovering over the field. Then to his astonishment, he saw a rope ladder ____ out and three men climbing down it. A. throwing B. being thrown C. having thrown D. having been thrown(全国英语专业四级,95-52)