这是非谓语动词的用法 having done,having been done 是分词的完成式,前面是主动态,后者是被动态!而这两个是做状语的 being done 是分词的进行加被动,这是做主语的! 例句:Being exposed to nuclear radiation, even for a short time, may produce changes of genes in human bodies. 区别:1.being done:被...
例句:I have finished my homework, so I can play now.
having been done的用法例句: The work ( having been) done, he left the office. 做完工作后,他离开办公室。 The paper introduces closed management of slab yard and some work having been done such as enriching the varieties of charging and optimizing the structure of charging. 介绍了电炉厂在废钢...
除了"having been done"这一结构之外,还有一些类似的过去分词结构,如"having been seen"、"having been heard"等,它们都用于描述过去已经完成了的动作或状态。以下是一些例句: - Having been seen in public with his ex-girlfriend, he was accused of cheating on his current girlfriend. (和前女友在公共场...
“having been done”是英语中的现在分词的完成被动语态形式。这种形式通常用于构成完成时态的被动语态,尤其是在需要使用分词结构作为状语、定语或补语时。 造句例句: 例句1:Having been told many times, he finally understood the rule.(被告诉了很多次之后,他终于明白了这条规则。) 例句2:The project, having...
done是过去分词,having been done是现在分词完成时的被动语态.两个都可以表示“完成+被动.”但在非谓语中,一般我们根据就简的原则,使用过去分词.having been done 做状语表示该动作发生在主句动作之前,而done则不强调这层含义。 1having been done和done的区别 ...
例句：She walked into the room, her homework done.Having been done："Having been done" 是一个...
被动完成式动名词having been done的常见用法 1)充当主语 例:Having been admitted to college made me happy. 已被大学录取(这件事)使得我很开心。 2)充当宾语 例:He is pleased for having been accepted. 他为已经被接受(这件事)而感到高兴。
1.done是过去分词, having been done是现在分词完成时的被动语态。两个都可以表示“完成+被动。”但作状语时,having been done表示该动作发生在主句动作之前; 而done则不强调这层含义;例如:Having been criticized by the teacher, Li Ming gave up smoking.Not having been invited, he felt very unhappy.(分词...
having done 是现在分词的完成时的主动形式,用的时候常常会出现一个段时间状语.如Having worked for a long time ,the workers are all very tired.___many times,he still couldn't understand it.A、Having been told B、Told为什么答案是A,现在分词完成时的被动,B也可以表示完成和被动啊。同样,还有一道题...