英语的过去分词有关问题
问题描述：
英语的过去分词有关问题
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
什么时候用HAVING DONE ,什么时候用DONE（做状语的时候）?
答
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.