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had been done怎么用
havebeen
doing和
havedone
还有
haddone
三者的区别,用法举几个例子_百度知...
答:
例句: I
have
been
doing related researches. 表示我一直都在做相应的研究。have
done
是现在完成时,表示对于现在来说某事已经发生过或是某事已经完结了。例句: I have done related researches. 表示我(陈述该事时)已经完成相应的研究了。
had
done是过去完成时,表示相对于过去的某个时间来说...
have
been
与
had
been的区别?(谢瓜了)
答:
have
been
是现在完成时,表示做过这件事已经完成。比如说i have been to shanghai.意思是我已经去过上海了。
had
been是过去完成时,即过去完成过什么动作,做过这件事。I had been a good student.我过去曾经是一个好学生。
英语中的
been
的用法?什么时候句子中应该加上been这个单词
答:
He has came back for 2 mintues。 He has been came back for 2 mintues。这两句话都是错的。与一段时间连用,要用持续性动词。应改为:he has been back。have been doing 表动作一直进行到现在
havebeen
done
现在完成时的被动语态。注意:have been 与表示职业的名词连用,用来询问或说明某人...
英语现在分词被动完成式
having
been
done
和 过去分词被动区别?简单...
答:
一般式 主动doing 被动being
done
完成式 主动
having
done 被动having
been
done having been done 表示该动作发生在主句动作之前已经做完。多用在一些时间比较显性的句子中。如:
Having
been cleaned ,the classroom is tidy now.另外就是having been done不能做定语(只可做状语)done是指过去...
主动doing 被动
done
使用
在什么时候?
答:
表示时态时 doing的话只能是be+doing: 就是am/is /are+doing 表现在进行时,was/were+doing过去进行时
have
been
doing 现在完成进行时,
had
been doing 过去完成进行时,等,反正是有be动词在前面
done
的话 be+done 表被动,have/had+done 表时态,完成时等等.doing可以作定语,可以接在be动词后
使用
...
...
have
done
/would have
been
doing/
had
done等时态
答:
所有当你同时表达 过去+完成+进行+被动 你可以 sth did+
have
done
+be doing+be done 将之间重复的部分合体,毕竟have be do都是动词,从左起每2个词作加法 did+have=
had
,done+be=
been
,doing+be=being,done+没有=done sth had been being done Prosecutors told reporters that he had been ...
什么时候被动语态用
been
,什么时候用be
答:
前面有
have
时,用
been
,have been +过去分词,是现在完成时的被动语态,比如说 大楼已经被建造完成。前面有情态动词,如must,can等时用,情态动词+be+过去分词。
...尤其是有的时候从句或主句是
had
been
done
或者是
have
been...
答:
楼主说的就是虚拟语气中的混和虚拟问题。以条件状语从句中的虚拟语气为例:与过去事实相反 从句要求用过去完成时,主句用would+
have
+
done
的形式。但主句和从句的时间不在同一范畴时 即从句与过去事实相反,主句与现在事实相反,就出现虚拟语气主句和从句的失态问题。例:If the medicine
had
been
taken by...
having
been
done
和
had
been done 的区别 有一道题是这样的:all_百度知...
答:
这是独立主格结构。非谓语动词动作发生在they went away disappointedly之前,所以用完成时
having
been
sold out,由于having been sold out没有逻辑主语,即having been sold out与主句主语they不互为逻辑主谓关系,因此all the tickets是having been sold out的逻辑主语。如果用all the tickets
had
been ...
have
been
+ving 为什么要用been. been不是表被动时才用的吗?但一些主动...
答:
How long
have
you
been
watching TV? 你看了多久电视了? 过去完成进行时与将来完成进行时,同现在完成进行时的含义大致相同,一是表示反复发生的事,二是表示一直持续不断的事。 二、过去完成进行时
Had
+been+动词ING形式 1、表示反复发生的事 He
had
been mentioning your name to me. 他过去多...
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