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had not done
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...
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。
过去完成时的否定形式是什么?
答:
1.以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。2.时间状语:before, by the end of last year(term, month…),etc.3.基本结构:
had
+
done
.4.否定形式:had +
not
+ done.5.一般疑问句:had放于句首。简介 过去完成时(The Past Pe...
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。)
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。
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. ...
英语语法
答:
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 doing 还有几种想不起来了呵呵。希望能帮到你 ...
过去完成时的结构是什么?
答:
过去完成时的结构是:肯定句:主语+
had
+
done
+others 否定句:主语+had+
not
+done+others 疑问句:had+主语+done+others 肯定回答:YES,主语+had/否定回答:NO,主语+ hadn’t 特殊疑问句:特殊疑问词+had+主语+done+others 被动语态:主语+had(not)been+done+others 过去完成时:过去完成时是把时间...
...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...
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