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have had done怎么用
have
done 和
had
done 怎么用
最好有讲解有题
答:
1.
have done是现在完成时,表示动作发生在过去一直延续到到现在为止.或许动作已完成
,或许动作还在进行.如:We have finished our task. 我们已经完成了任务.(强调动作已终止)We have lived here for ten years. 1.我们在这里住了十年了.(表示动作终止.)2. 我们已经在这里住了十年了.(我们现在...
“
have
done
” 和“
had
done” 的用法有哪些?
答:
have done 是从过去发生,截止到现在
,比如i have done my homework,我已经写完作业了 ,表示我现在不用写作业了 而had done 是过去的过去发生,截止到过去,比如i had done my homework yesterday 我昨天就完成作业了 这句和 i did my homework yesterday 不一样,前者能表示已完成而后者,只...
has
/
have
+
done
与
had
+done的用法和区别
答:
一、
“must+have+done”表示对过去事情的肯定推测,译成“一定做过某事”,该结构只用于肯定句
。1. It must have rained last night, for the ground is wet. 昨晚一定下雨了,因为地面还是湿的。2. You must have been mad to speak to the servant. 你和仆人说话,一定是发疯了。二、 “c...
什么时候要用
have
done
,
had
done,have had done。 have di
答:
have done现在完成时,had
done过去完成时
,后边几个形式是错误的have had done。have did,had did,have had did 现在完成时以现在为基点,以前的事对现在的影响 如,I have seen the movie.意思是我知道电影的内容 过去完成时已过去为基点, 这个过去点之前完成的事, 对这个过去点的影响,如 W...
怎么
判断
have
与
had
在完成时上的用法?
答:
have done是现在完成时
。had done是过去完成时,即过去的过去发生的动作,通常是2个动作发生的时间可以做比较的时候,才会用到过去完成时态,如:i did not see her,because she had left before i was here.这里的“看见”已经是过去的动作,“离开”发生的时间更早于“看见”,所以,用过去完成时...
have
had
done
啥意思?
答:
后面的have sth done是使役【使sth被做】, 前面的have had 是完成时【表示时态】。【
过去完成时+have
sth done的结构】 已经完成了sth,已经完成了。如有不明白请追问,若满意请采纳。
have
had
应该
怎么用
答:
现在完成时
have
(
has
) +
done
(动词过去式) 这里的第一个have 是完成时的标志 第二个
had
是动词 例句:we have had lunch 一、现在完成时的基本用法 1.已完成用法(影响性用法)。该用法的现在完成时表示一个过去发生的动作在过去已经完成,并且这个过去发生并完成的动作对现在有影响或结果,同时说话...
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...
have
/
had
和
has
/ have
done
的区别是什么?
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。
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。
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