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什么时候用had done
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...
什么时候用had
done
答:
"
过去已完成"
,比如说你昨天做完了作业,I had done my homework yesterday.
Had
done
是
什么
时态
答:
过去完成时(The
Past Perfect Tense):表示过去的过去,其构成是had +过去分词。1、肯定句:主语+had+动词过去分词+其他。2、否定句:主语+had+not+动词过去分词+其他。3、疑问句:Had+主语+动词过去分词+其他?4、特殊疑问句:特殊疑问词或词组+had+主语+过去分词+其他?5、被动语态:主语+had(no...
had
done
的用法和含义
答:
1、用法不同 had done
是过去完成时
。表示动作发生在过去的过去。通常句中有过去时间状语作参照。例句:I had finished my homework before my father came back.在我父亲回来之前,我已经完成了家庭作业。had been done 则是过去的过去,是过去完成的被动态时。例句:The rooms had been cleaned when...
had
done
是
什么
时态
答:
动词think,want,hope,mean,plan,intend等用
过去完成时
来表示过去未曾实现的想法,希望,打算或意图等。还可用在hardly...than?,lt was the fir...than...,lt was the first (second,etc) 。结构 1、主语+had+动词过去分词 2、肯定句:主语+had+动词过去分词+其他 3、否定句:主语+had+...
had
done
和did do 的区别
答:
1 had done
是过去完成时
,表示动作发生在过去的过去,即该动作发生在过去的时间之前或者过去的动作之前。例如:He had finished his homework before he got home。他在回家之前就写完了作业。完成作业发生在回家之前。而回家就已经使用一般过去时,表示过去发生的事情,所以完成作业使用了过去完成时。2 ...
have
done
和
had
done 怎么用 最好有讲解有题
答:
been living here for ten years.2. had done
是过去完成时
,表示过去的过去,指过去某一时间之前就已完成的动作。如:We had finished it by the time they went back.He told us that he had seen the film (two years before).Last night, he had not come back by 12 o'clock....
如何正确理解
had
done
、
have
done、have been doing 这 3 种时态...
答:
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;表示做了不必做的事 例句:Any ...
having
done
和
had
done的区别?
答:
"had done"
是过去完成时的形式
,表示在过去的某个时间点之前已经完成的动作,通常用于过去完成时的主句和状语从句中。例如:Peter told me that he had done his homework.(彼得告诉我他做完了作业。)总之,虽然这两种形式都是过去完成时的形式,但是它们语境和用法是不同的,需要根据上下文来确定...
had
done
和has done有
什么
区别
答:
had
done
过去完成时,指过去
时间
的过去 如:i had finished my homework before i watched TV(我在看电视之前就把作业完成了)过去完成时一般有过去的过去的语境,watched tv是过去,在watched tv 之前完成作业
have
\has done 叫现在完成时.表示动作发生在过去,对现在有一定的影响.通常与时间段连用....
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