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be been doing
to be
doing
和to have
been
求助中
答:
to be
doing
正在做某事 (其实就是现在进行时)to have
been
doing过去正在做某事,现在还在做(通常表示延续)当实际用的时候,to没有任何实际意义,所以这两个结构可以简写成:be doing,have been doing.例:I'm singing(我在唱歌)She has been playing the piano for 5 years.(她已经弹了5年钢琴).(...
...这句话是对过去的猜测,那 might have
been
doing
sth 也是对过去的...
答:
回答如下:might be
doing
:推测现在正在进行的动作,might / may无时间差别,只有可能性大小的差异(may的可能性大于might)。例如:He may / might be sleeping now.might have
been
doing:推测过去正在进行的动作,同样may与might无时间差别,只有可能性大小的差异。例如:He may / might have been ...
英语中有被动进行式吗,比如have
been
doing
?
答:
有被动进行时。即进行时的被动形式,其构成是be being done。have
been
doing
是现在完成进行时,其被动形式是 have been being done
have
been
doing
什么意思
答:
意思是:已经开始而且还在继续做什么。分析:这是英语中的一种时态,叫现在完成进行时。它是由现在完成时have/has+done(这里是be的过去分词
been
)和进行时be+
doing
一起构成,表达什么事情已经开始了,而且根据上下文还没有结束,还要进行下去。例如:Although I have been preparing for the contest, I ...
was
been
done 和be done
doing
还有have been doing的用法含义..._百...
答:
worn out”中,只有“
was
been
”的短语是动词,符合一个句子一个动词的标准。be done
doing
是现在完成时的被动形式。强调不久前刚发生事情持续到现在用have been doing的现在完成时态,被动即是be done doing。have been done是现在完成时态的被动形式。现在完成时态基本结构为have+动词的过去分词。
...have
been
doing
, will have done ,will be doing,
答:
先按照被动语态区分,have
been
done 是被动,其它都是主动(be done形式都是被动)have done 现在完成时,have been
doing
现在完成进行时(be doing 是进行时,而have done 是完成,be 的过去分词是been, 于是就是现在完成进行时)will have done 由于有have done完成时标志词, 前面的will是将来时...
什么时候用
been
?什么时候用done?
答:
have done 现在进行时:is/am/are
doing
过去进行时:
was
/
were
doing 将来进行时:will/shall be doing 过去将来进行时:would/could be doing 现在完成进行时:have/has
been
doing 过去完成进行时:had been doing 将来完成进行时:shall have been doing 过去将来完成进行时:would have been doing ...
情态动词有哪几种?
答:
情态动词与其他动词连用表示说话人的语气。情态动词可表达建议、要求、可能和意愿等。情态动词没有人称和数的变化。情态动词部分重点测试以下内容:(1)情态动词+动词完成式: must have done (2)情态动词+动词进行式: must be
doing
(3)情态动词+动词完成进行式: must have
been
doing (4)某些...
英语句子的时态
答:
大体有以下几种:一般完成时的被动语态:have/has
been
done 过去完成时的被动语态;had been done 过去进行被动时:
was
/
were
being done 过去进行时;was/were dong 嗯。当然除了固定语态外,还有许多固定词组也可以用来表示时态。be used to
doing
意为“过去常常做某事”。
being done / having
been
done /have been
doing
麻烦请告诉我它们的...
答:
have
been
doing
一直在做某事,现在完成进行时,它是做谓语用的 being done 和having been done是非谓语动词,being done表示与所修饰名词或主语为被动关系,而且动作真在进行,在句中可以作定语和状语。如:The building being built will be our classroom.Being badly wounded, he
was
sent to ...
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