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itishasbeen since例句
itissince
用法
答:
Itis/hasbeen+一段时间+since+一般过去时态如:ItisfiveyearssinceIlefthere.
我离开这里有五年了
.Itwas+一段时间+since+过去完成时 这是固定用法.当since表示"自从"时,不管它是用作介词、连词还是副词,它通常都要与现在完成时(since前)连用。如:Ivewornglassessincemychildhood.我从小就戴眼镜。since...
初三英语
答:
例1:
Itis
/
hasbeen
10years
since
hecamehere.这类句型可转化为: =Tenyearshaspassedsincehecamehere. 这一句型可扩展为:Itwas+时间段+since(从句用过去完成时)例2:ItwasyearssincehehadarrivedinChina.(过去是+since+过去完成时) 需要注意的是since从句的谓语动词一般是非延续性动词,但有时也可用延续...
关于
It is
/
has been
+时间
since
+过去时 表达两种意思的问题_百度知 ...
答:
been 强调从。。。起到现在的时间长度
It is three years since I began to learn English.=It
has been three years since I began to learn English
It is
/was/
has been
/will be +一段时间如three years 哪些可以
答:
It is / has been ten years since he left Beijing.译文:
自从他离开北京已经十年了
。分析:since 从句中的 left 是 leave 的过 去式,是瞬间性动词,表示肯定的意思,left 译为 “离开 ”2) It is / has been ten years since he was a doctor.他不当医生已经十年了。分析:since 从句中...
It
's
been
+一段时间 +
since
+一般过去式
答:
It's been +一段时间+
since
+一般过去时,是最常用的一个句型。你说since用于现在完成时,是指since前的主句用现在完成时,如句型的It's been=
It has been
,就是现在完成,而since后面的从句必须用一般过去时。
15、
It
___ ten years
since
he left the army . A. is B.
has
C...
答:
您好 本题选A 首先ten years表示时间概念,用单数 虽然有
since
(完成时标志),但是只能是
has been
,只有has不可以。而且这是个固定句型,
it is
/ has been +时间+since+一般过去时,“自从。。。以来已经多长时间了”的意思 望采纳,谢谢
it is
...
since
it was...before 一定是过去式吗?
答:
since
+ (一般过去时 )
例句
:1.
it is
/
has been
four days since i caught a cold.我感冒已四天了。2.it is / has been two weeks since we met last.自从我们上次见面以来已过了两周。一段时间 + before 表示在这个时间之前,或者大约在这个时间上就会发生某事 用法上it + (一般将来时...
it
的所有用法总结全部
答:
⑴ It+is/
hasbeen
+ 时间段+
since
引导的时间状语从句:该句型中从句一般用过去时态,句意为“自从...以来已多久了”Eg:
Itis
5minutessincethebusleft.公汽开走已有5分钟了 ⑵ It+be(will/was)+ 时间段 +before引导的时间状语从句:该句型中,主句谓语动词be若为肯定式,意为“过多久才...”;若为...
为什么
It is
two months
since
she left Beijing用is不用
has been
答:
since
.../
It has been
+ 段时间 + since...表示“从……起已有多长时间了”。两句意思相同,前者是规范说法,后者是口语说法,这个差别不大,这种句子都是表示过去的时态,翻译的时候要注意since从句:1.如果谓语动词是延续性动词或是表示状态的动词,时间应该从动作结束时算起;如:It's 2 years s...
it is
\
has been
3 years that 后接什么时态
答:
is/
has been
three years
since
he gave up smoking .他戒烟已经三年了。
it is
/has been three years since he smoked.他不吸烟已经三年了。主句一般现在时或现在完成时 since从句 用一般过去时。主句一般过去时 since用过去完成时 it was three years since we had been here.那个时候 我们在...
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