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had been和had done
have
done和have
been
to有什么区别?
答:
1、
have
done
是现在完成时,意思是done的动作对现在有影响;2、
had
done是过去完成时,它表示过去的过去,在一个句子里,只done的动作发生在过去的动作之前.这个没有have done的使用频率高.它主要是要表达过去的过去意思.现在完成时表示的动作发生在过去,以now的时间为基点,但侧重对now产生的结果或造成的...
如何正确理解
had
done
、
have
done、have
been
doing 这 3 种时态...
答:
理解这些如下文所示:1、
had
done
美 [hæd dʌn]过去完成时 例句:I did not acknowledge that he had done anything wrong.我没有承认他犯了什么错。2、
have
done 英 [hæv dʌn] 美 [hæv dʌn]现在完成时;所做的每一件事;表示做了不必做的...
had
been
done和 had
done有什么区别呢?
答:
had
been
done
是被动语态。后面多加名词。had done.后面多加动词。
什么时候用
been
?什么时候用
done
?
答:
过去完成时:
had
done
将来完成时:shall
have
done 过去将来完成时:would/could have done 现在进行时:is/am/are doing 过去进行时:was/were doing 将来进行时:will/shall be doing 过去将来进行时:would/could be doing 现在完成进行时:have/has
been
doing 过去完成进行时:had been doing 将来完成...
have
done
。have
been
done 。
had
done。had been done 有什么区别...
答:
have
done
现在完成时态 have
been
done 被动语态,现在完成时态 had done 过去完成时态 had been done 被动语态,过去完成时态 主要的差异:1、现在完成时的情况下,have done 代表动作的执行者是人,have been done代表动作的执行者是物,表“被...”2、had done
和had
been done只是事件发生...
...
done
,
had
done,being done,be done,
have
been
done,had been don...
答:
”比如:The building is being built now by the government .be
done
是被动语态,比如:The classroom needs to be cleaned.
have
been
done是现在完成时的被动语态 比如:These classrooms have been cleaned ,you can do something else .
had
been done是过去完成时的被动语态 ,用于过去时态,跟...
had
been
done
什么意思啊 怎么用??
答:
所以,根据句意来,如果是过去完成时,而且动作是【被发生】的,那就需要用
had
been
done
的结构。例句:The classroom hadn’t been cleaned before the teacher came.老师已经到了,教室还没有打扫。(教室是被打扫)The tickets had been sold out berore I came to the cinema.当我到电影元的...
如何区别过去完成时,现在完成时,和它们的被动语态
答:
has
done
现在完成时
had
done 过去完成时 has
been
done 现在完成时的被动 had been done 过去完成时的被动
请问HAS
BEEN和 HAVE
BEEN
HAD
BEEN的用法以及分别加
DONE
答:
have
been 和
has been 只是根据前面主语的人称而定。都是一般现在完成时 简单来说如果前面是I,you,we以及复数形式的主语则是have been 第3人称单数如he,she,it,则是用has been 有been的话表示被动语态
had
been则是过去的过去,是过去完成时,和上面一样有been的话表示被动语态 如果都加
done
的话...
何时用
had
done
?何时用
have
/has done?
答:
had
done
是过去完成时,如果动作发生在相对于过去某一时刻的过去,在过去某时刻已经完成了,就用had done。
have
/has done是现在完成时,是相对于现在动作已经完成了,have done主语是第一人称和第二人称和第三人称复数,has done主语是第三人称单数。过去完成时(The Past Perfect Tense):表示过去某一...
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have been是什么时态
has been
has been done表示什么
has done