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had done和has done有什么区别
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推荐答案 2014-09-06
前者站在过去说已经做过，后者站在现在说已经做过。
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第1个回答 2014-09-06
前者是过去完成时，后者是现在完成时（第三人称）
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英语中什么时候用
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答：
Has done是现在完成时，Had done是过去完成时
，Has done是用在过去发生的动作可能这个动作还在延续，也可能结束了，而Had done是用在过去的过去
had
done和has
done有什么区别
答：
前者站在过去说已经做过，后者站在现在说已经做过。
has
done
had
dane
区别
?
答：
has done 现在完成时态，主语是第三人称单数。表示动作从过去一直延续到说此话时，并有可能延续下去
。如：He has studied English since 2014. ( 他从2014年起一直学习英语。）had done 过去完成时态，主语是各种人称。表示动作从过去某一点开始到过去某一点结束，又称之为过去的过去。如：He had ...
英语中
has
done
,
had
done,being done,be done,
have
been done,had bee...
答：
has done是现在完成时态，且主语是单数第三人称
，比如，He has finished his homework now,so his mother allows him to play outdoors.had done是过去完成时态，主语任意皆可 比如He had finished his homework yesterday afternoon,so his mother allowed him to play outdoors.being done是现在...
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...
我分不清
has
done
had
done has been done had been done 的意思和用法...
答：
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。如：I have finished my homework.It has rained for three days.
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。如：I had finished my homework before my father came ...
has
\
have
done
是
什么
时态;
had
done 又是什么时态?
答：
has
\
have
done
是现在完成时态（过去发生的动作对现在造成的影响）;
had
done 是过去完成时态（过去发生的动作对过去造成的影响）
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