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have been doing和have done
...
do和have
sb do和have sb
doing和have
sth
done
的区别
答:
2、
have
sb do:have用作助动词时,可与动词的过去分词或“
been
+现在分词”连用,构成动词的各种完成时态。3、have sb
doing
:have的基本意思是“有”,指物质上的所有、身心上的具有或构成上的含有。引申可作“享有”“容许”“招致”等解。4、have sth
done
:have作实义动词时,是及物动词,接...
have
done
for/since
和have
been
doing
for/since区别
答:
你是否把 US 打成小写了?这四句话译成中文是一样的:我已经在美国居住了两个月了。不同之处是,1 3 两句话用的是现在完成时,2 4两句话用的是现在完成进行时。这一点是英语比汉语优势的一点。现在完成时表示一动作从过去开始发生,延续到现在,但不涉及现在是否仍在发生。现在完成进行时表示...
It做形式主语时其后 to
do 和
ing 的不同用法 及具体例句
答:
动词不定式的一般式是to
do和
to be done,完成式是to
have
done和to have
been
done,进行式是to be
doing和
to be being done,完成进行式是to have been doing和to have been being done;动名词的一般式是doing和being done,完成式是having
done和having
been done。动词不定式在句中可以作主语...
have
been
doing和having
been
done
有什么区别
答:
前者是 现在完成进行时,表示仍然在继续做某事 后者是现在分词的完成式。表示已经完成了。
be/was+
been
+
done与have
/
had
+been+done;还有be/was+been+
doing
,have/h...
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)
have
been
to
和have
been有什么区别
答:
分析如下:1、
have
been
to 意思是 “某人曾经到过某地现在已经回来了”表示人现在已经不在那里。They have been to England.他们曾到过英国,现在已回来了。2、have been in 意思是“某人去了某地现在还在那里”表示人还在那里,表示的是一段时间都在那里。They have been in England.他们曾去过...
has
been
done跟has
been
doing
有什么区别?
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/...
“
had
been
doing
”这句话是什么时态?
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/...
have
been和be
done
的区别
答:
have
been
单独来看是“已经”的意思,但是一般是have been
done
或者have been
doing
前者是现在完成时的被动语态,后者是现在完成进行时的时态 be done的话比如说The tree is planted by us.表被动,时态是一般现在时,属于语态
the man
has
been
dead for many years.为什么不用用died
答:
另外
have
been
playing golf for ten years,这里是指动作的持续,玩高尔夫这个运动10年了。所有的运动都可以用于这种动作的持续,还有从事某方面的工作(work),科研(research)之类的,这些都是可以持续的动作。与此区别的比如hit the button,按按钮这个一瞬间的动作就不能用完成进行时(have been
doing
)...
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