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现在完成时since句型
Since
引导的从句一般要用什么时态
答:
4) It is +一段时间+
since
从句 It is two years since I became a postgraduate student.since引导的主句和从句各用什么时态?1. since引导时间状语从句时,从句动词通常用一般过去时,主句动词用
现在完成时
。We have been good friends since we met in 1980.2.since从句中,有时也用动词的现在...
现在完成时
的
since
与for的区别与例句谢谢啊
答:
2. For+时间段,用来说明动作延续时间长度,因此句中的谓语动词,也应该是延续性动词。I have been in Beijing for one year。We have learnt English for about three years.I have been here for 3 days. (对)I have arrived here for 3 days.(误)
现在完成时
态中for和
since
1、for的意思...
英语
句型
“It has been+时间段+
since
”是什么意思?
答:
“It has been+时间段+
since
”这种
句型
,前面是
现在完成时
,since后所接从句谓语动词是过去式,其意思是“自……以来已经……了/自从不……已经……了”。如果since后所接从句的谓语动词是瞬间性动词(通常是指动作的结果,或表示短暂性、一次性的动作),那这句话表示肯定含义。常见的瞬间性动词有...
since
的用法时态
答:
since
的用法时态如下:since代表的是过去那个时候发生的事对现在有影响,是
现在完成时
态的标志。用法如下:一、作为介词 后接某一确定的时间点,主句谓语动词是持续性动词,常与现在完成时态、现在完成进行时态或过去完成时态连用。例句:She’s been working in a bank since leaving school.她中学毕业...
It is/has……
since
……的一个问题。谢谢。
答:
用法上It + (
现在完成时
) + 一段时间+
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。我们会发现“It is +段时间+since…..
句型
...
有
since
后加
现在完成时
的句子吗?
答:
有,但是
since
的意思是“既然”而不是“自从...”
Since
you have finished the work, let's go to the park.既然你已把任务做完了,我们去公园吧。
当用
since
表“自从”时,since所在的句子就要用
完成时
吗
答:
They (haven't been) here (
since
). 从那以后再也没有来过这儿。【since是副词】She (has been skiing) (since) childhood. 她从幼时起就开始滑雪。【since是介词】2、如果 since 是连词, 引导的是从句,那么从句要用过去时,即“主句(
现在完成时
)+ since + 从句(过去时)”。例如:So ...
since
用作副词,介词,连词时分别怎么使用
答:
He has written to me frequently
since
I was ill.自从我病愈以来, 他经常给我写信。(从句谓语为状态动词)He has written to me frequently since I fell ill.自从我生病以来, 他经常给我写信。(从句谓语为终止性动词)(3) 若since引导的状语从句的谓语为持续性动词或静态动词的
现在完成时
, 则...
用
since
造句 是
现在完成时
,since后面的时间点最好是几点几点,要翻译...
答:
He has been skating
since
9 o'clock.他从9点钟就开始溜冰了.I have been friends with him since I was a child I have learned English since I was five.从五岁我就开始学英语了
用
since
和for各造5句
现在完成时
的句子.
答:
He has been to Beijing
since
2007.I have lived in here since last month.I have been interested in English since I was 7 years old.He has read a lot of book since he was young.They have written many books since they were in high school.The film has been on for 15 ...
<涓婁竴椤
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涓嬩竴椤
灏鹃〉
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