【解析】to have been done不定式的完成式的被动形式用法:不定式的完成被动式表示发生在谓语动作之前的被动动作。例句It was hard to visualize how it could have been done.很难想象这是如何办到的。T he two were said to have been on first-nameterms.据说这两人关系很熟。 结果一 题目 to have been don...
用法的区别:(1)首先,前三组,抛开to,先看to 后面的,have done 是主语已经完成的行为;be done 是主语被完成的动作,表被动,have been done 是主语被完成动作的完成时,最后,having done 是主动完成形式,(2)这四组都可以做名词、状语等非谓语成分,其中,其三组,是不定式的 形式,不定式可以表目的,还可以表将来,...
to have been done用法 tohavebeendone是英语中的一种时态形式,用来表示过去已经完成的动作或状态。它由have/has/had been done构成,表示主语在过去的某个时间已经完成了某个动作。例如,“The house has been cleaned”(房子已经打扫干净了)。这种形式常用于被动语态,也可以用于主动语态,如“我已经做完我的工作了...
第一条:to have been completed 说明/解释:这个短语与“to have been done”含义相近,都表示某件事情在过去已经完成。 第二条:to have been finished 说明/解释:“finished”在这里作为动词的过去分词,与“done”相似,表示完成的状态。 第三条:to have been accomplished 说...
to have been done例句 “To Have Been Done的例句大赏:轻松驾驭复杂句型!” “嘿,朋友们!‘To Have Been Done’这个句型听起来是不是有点高大上?别担心,咱们今天就通过一堆例句把它拿下,让你在英语表达中更上一层楼!” 基础例句:打好理解的地基 1. The work should have been done yesterday. (这工作...
to have been done例句 “To Have Been Done的例句大放送:轻松掌握这一结构!” “嘿,朋友们!To have been done这个结构看起来有点复杂,但其实没那么可怕。今天咱们就通过一堆有趣的例句,让它变得亲切起来!” 基础例句:打好理解的地基 1. The house is said to have been built in the 19th century. (...
to have been done是可以做名词用的，这是一个很大的区别。而done这个分词只能定状补。to have been ...
：：to be done(一般被动)+ have done sth (完成时)= to have been done；不定式的完成时的被动语态。注：比较少见。理解: 表示（不定式do）动作发生在谓语动作之前，且是被动。例句:I`m honored to have been given the chance to stand here and let my voice heard by all.---given the chance (...
动词+to do sth结构很了解吧,这是动词的不定式,"动词+ to have done"也是不定式,只不过是表示动作发生于过去并且是主动的; 而动词+ to have been done则是表被动.动词的这种用法非常普遍.现以你的例子作解释, 这个句子虽然长是一个简单句,He(主语)claimed (谓语动词)+不定式(作宾语) 句意:他控诉昨天在超市...
非谓语动词用法to have done/having done/to have been done/having been done都有什么意思,都怎么用啊,它们有什么区别吗? 答案 现在完成时表示现在以前这一段时间里一直在进行的动作,这动作可能仍在进行,也可能已停止.即事情已经结束了,或者事情仍对现在产生影响1,have done 已经完成了这个事情2,to have been...