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it has been done
it
+一段时间+
have
done
sth+since表示什么?
答:
用于句型“
It
’s / It
has
been
+ 一段时间 + since + 时间状语从句”中,译作“自从…以来, 已经…(时间)了”。如 It’s / has been three months since he moved to this city. 要求:主句的谓v.用一般现在时或现在完成时;从句的谓v.用一般过去时,而且须是终止性动词。应该是这个吧...
...finished yet? "Yes,
it
___." 我写的是
has
be
all over,但是书上...
答:
2)
have
/
has
been
+
done
是现在完成时的被动语态。教你一个小窍门,这个句子中,首先判断是现在完成式的基本形式“have/has been”然后再看后面“be(在这里形式是:been)+done为被动语态的基本形式,所以连起来,全句就是现在完成时的被动语态,不知道你懂了没有 。再举一个例子will be doing 中“...
have
been
doing与 have
done
的用法区别
答:
现在完成时
have
done
则是强调动作产生的结果或取得的成就,而不是动作本身。二者的这种区别我们从下面的这些例句可以很好地领悟到:(2) a. My hands are very dirty. I’ve
been
painting the house.b. I have painted the house green. The house was white, but now
it
’s green.思维分析:...
现在完成时
have
done
的用法到底有几种?到底怎么用才对
答:
She lived here for 2 months 2 years ago. 过去曾延续过 特殊用法 [1]This/
It is
the first(second...)time that I
have
seen the film.It was the the first(second...)time that I had seen the film.[2]since表示从句中谓语动词表示、状态已结束或完成 It is/
has
been
about 2...
have
been
doing 和 have
done
这现在完成时和现在完成进行式在选择题...
答:
3. I ___ (read) your book. ( I haven’t finished
it
.)4. I ___ (read) your book. (I’ve finished it.)5. You ___ (cough) a lot lately. You should give up smoking.Keys: 1.
have
been
playing, haven’t played 2.
has
been losing 3. have been reading 4. have...
英语的时态 1.一般现在时 2.现在进行时 3.现在完成时 4.现在完成进行时...
答:
D) 句型"
It is
/
has
been
……since"所使用的两种时态都正确。E) 在"no sooner than"、"hardly/ scarcely ……when"、"before"、"prior to"等句型中,主句要求完成时。4. 现在完成进行时(
have
been doing)用法:表示某一动作开始于过去某一时间,延续或重复地出现至今,或将继续延续至将来。注意...
英语时态
答:
但是,可用别的表达方式:①瞬间动词用于“一段时间 + ago”的一般过去时的句型中;②瞬间动词可改成与之相对应的延续性动词及短语,与一段时间连用;③瞬间动词用于“
It is
+ 一段时间 + since + 一般过去时”的句型中,表示“自从……以来有……时间”的意思,主句一般用
it is
来代替It
has
been
;④瞬间动词...
have
/
has
been
后什么时候加现在分词,什么时候加过去分词
答:
English
has
been
taught in China for many years.(中国教英语已经多年.)2)现在完成进行时构成:
have
/ has been + 现在分词 用法:)下面详细举例:用于表示动作从过去某一时间开始一直延续到现在或离现在不远的时间,动作是否继续下去,则需视起来而 定.如:How long has
it
been raining?雨下多久...
英语时态与语态
答:
过去将来时
Be
的过去时 going to +V/ Would +V 现在进行时 Be +doing 过去进行时 was/were doing/ was /were not doing 将来进行时 Will +be+doing/ will not be doing 现在完成时
have
+
done
/ have not done 过去完成时 Had+done/ had not done 现在完成进行时 have/
has
been
doing/ ...
你好,能给说下
have
it
done
的用法吗?
答:
你的这个句子只是陈述一个事实(现象),无需用完成时。didn't
have
been
done
是错误的表达。didn't 用于过去时,不能和 have been done 用在一起。have been done 的否定式是 have not been done。I just reinstalled my OS.The Directx wasn't installed 表达正确。have something done 用于...
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