UC知道英语的过去分词有关问题
来源：百度知道 编辑：UC知道 时间：2024/05/15 18:31:22
1 Though _______money,his parents managed to send him to university.
A lacked B lacking of
C lacking D lacked in
2 ______from heart trouble for years,professor White has to take some medicine with whenever he goes.
A Having suffered B Suffering
C Suffered D Being suffered
3 There must be no life on the Mars for ______ of air there.
A lack B lacking
B short D empty
问一下，什么时候用HAVING DONE ，什么时候用DONE（做状语的时候）？弄不清啊！
A lacked B lacking of
C lacking D lacked in
2 ______from heart trouble for years,professor White has to take some medicine with whenever he goes.
A Having suffered B Suffering
C Suffered D Being suffered
3 There must be no life on the Mars for ______ of air there.
A lack B lacking
B short D empty
问一下，什么时候用HAVING DONE ，什么时候用DONE（做状语的时候）？弄不清啊！
1.答案是C。这道题是考察连词和分词连用。主语his parents 和动词lack存在主动关系。
2.答案是.现在分词的完成式，表示发生在谓语动词之前的动作。
3.。答案是A.for lack of 是个短语，表示“缺少”。
having done是现在分词的完成式，时间是发生在谓语动作之前，和主语存在主动关系；而done是过去分词形式，时间往往发生在过去或不定的时间，和句子主语之间的关系是被动关系。
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