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英语句型“It has been+时间段+since”是什么意思?
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第1个回答 2021-04-19
就是自从什么什么时间,他已经干了什么的事情。
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it
has
been
since
...用法?
答:
句型
“It is/
has
been
+ 一
段时间
+
since
从句”用法如下:(1) 当从句谓语动词为非延续性动词时,表示这段时间从该动作开始时算起,即“自从做……以来已经多久了”。(2) 当从句谓语动词为延续性动词时,表示这段时间从动作结束时算起,...
since
it+has
been句型
答:
(2)It has been +时间段+since 从句 (口语说法)(3) 他们表达意思都是相同,
都表示:自从.起,自从.以来,已经有多长时间了
(4)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....
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