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has been doing表示什么时态
has
been
doing是什么时态
答:
has been
doing的时态是现在完成进行时
,表示现在之前已发生过或完成的动作或状态。has been doing:一直在做 现在完成进行时表示动作从某一时间开始,一直持续到现在,或者刚刚终止,或者可能仍然要继续下去。(与since,for连用时,要用连续性动词,不可用瞬间动词,但连续性动词常常表示动作会进行下去)...
has
been
doing 是什么时态
答:
has been
doing 是现在完成进行时
。基本用法:1)
表示一个在过去开始而在最近刚刚结束的行动
,如:Ann is very tired. She has been working hard.Why are your clothes so dirty? What have you been doing?2) 表示一个从过去开始但仍在进行的行动,如:It has been raining for two hours. ...
had
been
doing是什么时态
?
答:
had been
done 则是过去的过去,是过去完成的被动态时
。(当你想说发生在过去的两件事时,就要分清谁先谁后。先发生的用过去完成时,后发生的要用过去时)。如:The rooms had been cleaned when I came. 我来的时候,房间已经被打扫了。2、区分has/have been doing与 had been doing has/ha...
has
been
doing 是什么时态
?
答:
现在完成进行时
。1、
表示一个从过去开始但仍在进行的行动时
:例句:It has been raining for two hours.现在还在下。2、表示一个从过去开始延续到现在,可以包括现在在内的一个阶段内,重复发生的行动时:例句:She has been playing tennis since she was eight.她从八岁起就一直打网球。3、现在完...
has
been
doing是什么时态
答:
现在完成进行时
"
has
been
doing
"是一个
什么时态
啊?
答:
完成进行时
has
been
doing什么时态
的用法?
答:
您好,has/have been doing 是(
现在完成进行时
),其中 has/have 需要根据人称而有所改变。现在完成进行时通常:1)动作在说话前已经开始;2)动作在说话时尚未结束;3)动作在说话后会持续一段时间。比如:He has been teaching at this High School for 20 years.(他已经在这所高中任教了20年。
has
been
done跟has been
doing
有
什么
区别
答:
has
been
doing是
过去进行
时态
,
表示
某个动作或事件在过去一段时间内一直在进行。 例句: ① The report has been done.这份报告已经完成了。 ② He has been doing his homework for two hours.他已经做作业两个小时了。 2、动作状态不同 has been done强调的是动作的完成状态,侧重于结果。has been doing强调...
has
been
doing
have
been done区别
答:
has been
doing是现在完成进行时
,强调的是动作从过去某一时间开始,一直延续到现在,并且很有可能还要继续下去,或者表示在说话时刻之前到现在正在进行的动作。举个例子:I have been learning English since three years ago。我从3年前就开始学英语了 have been done是现在进行时的被动形式,表示某个...
has
been
doing是什么
意思?
答:
have/has been doing
是现在完成进行时态的结构
表示一件事情从过去的时间点开始做一直持续到现在,并且会继续持续到将来。doing为动词的现在分词形式 栗子:I have been doing my homework for two hours.
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