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had not done
过去分词
done
有没有否定形式
答:
是的,过去分词 "done" 有否定形式,即
"not done
"。"
not done"
表示某件事情没有完成或没有做,表示否定的意思。例如:The laundry is not done yet. (洗衣服还没有完成。)
done
的否定形式
答:
done
的否定形式是have或has或hadnotdone。过去分词的否定形式。动词的过去分词的否定形式是由not加动词的过去分词构成。
请问:
hadn't
done
和hasn't done 和has to do 有什么不同?
答:
故hasn't done=has not done是现在完成式has done的否定式,意为“到目前为止,还没有完成某事”。2、have或has的过去式和过去分词为had 故hadn't done=
had not done
,是过去完成式had done的否定式,意为“过去没有做过某事”。
谁可以告诉我这里
had
not
done
表示什么意思啊
答:
第一个
had
not
come 是说飞机还没有到达你们所等待的目的地。第二个had not left是说飞机还没有离开起始地也就是伦敦。这里之所以用过去完成时是 因为整段话不是从目击者的口中说给第二者听的,而是第二者说给第三者听的。这就是说整件事已经发生完毕了。正如句子开头所给出的条 件told ,过去...
hadn't
问大家这是什么时态 都没见过 在线等
答:
had not
的缩写,如果后面加一个动词的过去分词就构成过去完成时的否定式。
过去完成时的结构
答:
过去完成时的结构:“助动词
had
+ 过去分词”,其中 had 通用于各种人称。表示在过去某一时间或动作之前已经发生或完成了的动作,即“过去的过去( past-in-the-past )”。表示某一动作或状态在过去某时之前已经开始,一直延续到这一过去时间,而且动作尚未结束,仍然有继续下去的可能。例如:By ...
...do,现在完成时的否定是
haven't
done
或hasn't done 或
hadn't
do...
答:
英语否定句:凡句中有动词be(am/is /are/was/were) ,情态动词(can/could/may/must/will/would/shall/should/...),助动词(
have
/has /
had
完成时)的,变否定句时直接在这些词的后面加
not
,否则要加上相应的助动词don't / doesn't (一般般现在时第三人称单数用doesn't),didn't (一般...
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...
英语时态与语态
答:
过去完成时
Had
+
done
/
had
not
done 现在完成进行时
have
/has been doing/ have has not been doing 过去完成进行时 had been doing/ had not been doing 1. 一般现在时 用法:A) 表示现在发生的动作、情况、状态和特征。B) 习惯用语。C) 经常性、习惯性动作。例:He always helps others. ...
英语 各时态 的 被动语态
答:
过去进行时 was/were doing/ was /were
not
doing 将来进行时 Will +be+doing/ will not be doing 现在完成时
have
+
done
/ have not done 过去完成时
Had
+done/
had
not done 现在完成进行时 have/has been doing/ have has not been doing 过去完成进行时 had been doing/ had not been ...
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