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be been doing
...还有be/
was
+
been
+
doing
,have/had+been+doing的区别
答:
所以用被动,是被他穿破的 二。 The bicycle is
been
riding by my brother now.(这里的 过去分词是表被动,其实就是 be done 的结构) 因为后面的时间状语是now,所以+ing, be done V-ing have been done 已经被…… (过去完成被动)have been
doing
已经做了某事(过去完成主动)
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...
His+brother+must+
be
+
doing
+English+homework的过去式
答:
第一答案是 His brother must have
been
doing
English homework.第二,must be 代表对现在或者正在进行的事情的猜测而must have done 代表对过去的猜测 第三,然后从be doing基础上用上must have done,所以从 must be doing变成了must have be...
Said be
doing
和 said
been
doing 的用法和区别。
答:
第一种:you said you
were
coming to pick me up 意思指的是:你那时候说你在接我的路上。第二种:you said you are coming to pick me up 意思指的是:你刚才说已经来接我了啊。第一种其实就是已经接到了,是在对过去发生的事情进行讨论。第二种还没接到,是现在的提问者正在讨论对方...
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
...we be
doing
和 what would we have
been
doing?
答:
第一句= we would be
doing
...是过去将来进行时态。第二句= we would have
been
doing ...是过去将来完成进行时态。
现在完成时
been
怎么用?什么时候用?(我才小学,今天刚刚接触到现在完成...
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 ...
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).(...
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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