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has done怎么用
has
done
是什么时态
答:
have/has done是现在完成时态
。have/has是助动词,用来帮助形成完成时态,当主语是三人称单数时,用has; 其它情况下就用have;done是动词的过去分词。He has finished his homework. 他已经完成他的作业。They have known each other for years. 他们已经认识几年了。知识延展:现在完成时表示的意思是...
现在完成时应该
怎么用
?
答:
如:The building
has
been built for 5 years.二.一般现在时:用动词原形 一般过去时:用动词的过去式 一般将来时:will/shall+do is/am/are going to do 过去将来时:could/would do 现在完成时:
have
/has
done
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 ...
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是现在进...
何时用had
done
?何时用
have
/
has
done?
答:
解答:
过去完成时用had done
如:He had done three years ago.他三年前做过的。现在完成时用have/has done 如:He has done up to now.到目前为止,他一直在做这件事。
主语+
have
(
has
)+过去分词(
done
) 和主语+have+动词doing 求解!!!_百...
答:
主语+
have
/
has
+
done
:现在完成时。表示“一个动作发生在过去(动作已经结束),强调此动作对现在的影响”。例句:I have finished my homework.我已经完成了作业。(完成作业的动作已经结束了)。主语+have/has + doing:现在完成进行时。表示“一个动作从过去某个时间开始,一直持续到现在(且有...
什么时候用
have
/
has
done
,什么时候直接用done
答:
如果要表示过去某一时间发生了的事,用
done
;如果你要表达的是某事已经完成,则用
have
/
has
done。如果看见for加时间,since,等用have/has done,如果看见表示过去时间的词,如yesterday,last year,last week,this morning等用done
done
是什么?
have
/
has
done 过去分词是什么?过去分词和过去式的差别...
答:
done
是do 的过去分词。过去分词用于完成时,或用作定语 起修饰作用。过去分词用于完成时,表过去发生的动作 一直持续到现在,并对现在造成影响。。过去式用于一般过去式,表动作发生在过去,没有一直持续的含义,并且对现在不造成影响。。
英语中什么时候用
has
done
什么时候用had done啊
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
have
/
has
done
是什么语态啊?
答:
1、一个是被动语态,一个不是。Have/
Has
been
done
是完成时态的被动语态 例如:the clothes
have
been washed already.衣服已经被洗了。2、Have/Has done单纯的完成时态 例如:I have washed the clothes already.我已经把衣服洗了。
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