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it was since
it
was
+
since
答:
it was
+
since
跟过去完成时,it is+since跟过去时
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...
It
was
+时间段+
since
从句 从句应该用什么时态
答:
从句时态用过去完成时 (到过去某个时间为止)做某事有多长时间了
It
was
11 years
since
we had started school.
It
was
+时间段+
since
从句 从句应该用什么时态
答:
since
作连词引导时间状语从句的用法。一、若since引导的状语从句的谓语动词是终止性的过去时,则从句表示的时间是“从动作开始的那一时刻起”。如:He has studied very hard since he came to our school.自从他来到我们学校,他学习就非常努力。二、若since引导的状语从句的谓语动词是持续性动词或表示...
It is
一段时间
since
.这句型中is可以换成
was
或其他什么时态吗?有什么...
答:
It is
其中要求
since
引导的从句必须采用一般过去时,而主句是一般现在时或现在完成时
it
was
其中since引导的从句必须采用若主句是一般过去式,从句也是一般过去式时:① 若主句是肯定句,翻译成“过了多长时间之后才……”例:It was long before they found their son.过了很久他们才找到他们的儿子。②...
有没有
it
was
+时间
since
...
答:
有那样的句型。比如:
It
was
three years
since
he had left.自从他离开,已经三年了。since用过去完成时,主句用一般过去时,这样完全可以啊。这句话是在述说过去的事情,用
it
was一点没错啊!
It is
+一段时间+
since
后面加什么时态?
答:
It is
/has been +一段时间+
since
+一般过去时态如:It is five years since I left here.我离开这里有五年了。It
was
+一段时间+ since+过去完成时 这是固定用法。
It is
+段时间+
since
+主语+did. 请比较: It
was
+段时间+since+主语+h...
答:
从意思上面,第一个翻译成:没做什么事情已经多长时间了,第二个翻译成,做什么事情持续到现在已经多长时间了~这大概就是区别了,希望对你有帮助~
it is
/
since
的区别
答:
it is
:词性为短语,it is是由it和is组成的短语,it代表无生命的物体或不明确的主语,is是be动词的第三人称单数形式。
since
:词性为介词,since是一个基本介词,表示从某个特定时间开始,引导一个时间点、时间段或事件 before:词性为介词,before是一个基本介词,表示在某个时间点之前发生的事情 通过...
嗯……是有一个句型:现完+
since
+过去式?
答:
…是有一个句型:现完+
since
+过去式? before也有类似句型,但是主从句时态和since不同。 since为:
It is
+ 一段时间 + since从句(一般过去时) 或:It has been + 一段时间 + since从句(一般过去时) 或:It
was
+ 一段时间 + since从句(过去完成时) 意思是:自从...以来已经...
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