Having been told many times, the boy still didn't know how to do it. 尽管被告知多次了,那个小男孩他仍然不知如何去做。 注意:1)若分词有自己独立的主语可构成独立主格结构。 The work having been done,they left the office. All the exam papers having been h...
主动 被动 一般式 doing being done 完成式 having done having been done 从上述表格可以看出,动名词和现在分词的时态完全相同,而非谓语动词之间的区别主要是用法上的区别。动名词和现在分词形式相同,用法却大相径庭,动名词一般式表示的动作通常与谓语动词的动作几乎...
A.havingbeenaddressedB.tohaveaddressed C.tohavebeenaddressedD.beingaddressed 12.TheSpaceShuttleColumbiabrokeintopiecesoverTexasasitreturnedtotheearthonFebruary1,2003, ___allsevenastronautsaboard. A.havingkilledB.killingC.beingkilledD.killed 13.Ther...
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