问题 while与since的用法与理解

这里的while翻译成什么好，我觉得写成since更合适：Archaeologists find that even the most isolated residences during the eleventh and twelfth centuries obtained some pottery, and probably food, from some distance away, while major ceremonial events were opportunities for sharing food...

问题 since后接延续动词一般体和完成体的语意理解

对句型"It is/has been +段时间+since+延续动词一般体/完成体"表达语意的疑问：1.It's been three years since I worked in this company.2.It's been three years since I have worked in this company.我手头的语法书有两种对立观点，第一种认为，在此句型中，无论...

话题 非延续性动词的否定形式和since 连用

问题 It has been three months since we had winter vacation的理解

老师好！在理解句子It has been three months since we had winter vacation的时候我遇到问题：have winter vacation这个动词短语的动词have是非延续动词还是延续性动词？如果have在这里是非延续性动词，It has been three months since we had winter vacation是...

问题 英语动词时态疑问

老师，您好！麻烦您帮忙解决以下英语疑问：(1) He has few friends to share his joy and sadness, (  ) he ?(  ). It's really bad for him to keep quiet all the time.A. does; Yes     B. does; No答案是B， 我不能理解，我个人认为答案错误，...

问题 after that,since then 自那以后，区别

问题 he has since died from lung cancer的分析

When I finally saw him it had spread and he has since died from lung cancer.句中的 he has 做何成分？如何解释？

问题 since you were young up to now taking you...的理解

...back from, because look at it from this angle, they’ve taken care of you since you were young up to now taking you to school. So literally it's socially acceptable or socially moral to give back to mum and dad,” he explained.请问：since you were young up to now taking you to school 这句...

问题 关于as,since,for,because区别

老师你好！关于as,since,for,because 区别，我仔细看了辨析词典，成人高考教材都有介绍，但是我觉得这几个词区别不是很大，出题人不应该出这种题目。这种题目： 1. ____ everthing has been settled，I have nothing further to say.  A. As  ...

问题 关于as,since,for,because区别

老师你好！关于as,since,for,because 区别，我仔细看了辨析词典，成人高考教材都有介绍，但是我觉得这几个词区别不是很大，出题人不应该出这种题目。这种题目： 一、____everthing has been settled，I have nothing further to say. A.As B.Because...

问题 用于句首的 Not since... not是否定转移还是省略

Not since the 1968 Olympic Games has a medals ceremony caused such a storm of booing. 自1968 年奥运会以来，没有哪次颁奖仪式引起过如此哗然的一片嘘声。请问：not 是否定转移还是省略？

问题 since I was a child是什么意思(如何翻译才对)

I haven't seen my aunt since I was a child.下面哪个翻译才是对的？我从小就没见过我阿姨。自我成年以来就再也没见过我阿姨了。

问题 since 为什么连用一般现在时

This year's scale of ice-and-snow sculptures in the park is the largest since it first opened in 1999, said Sun Zemin, marketing director of Harbin Ice and Snow World Park Co., Ltd., the theme park's operator.这种句子更常见用完成时，而这里却用了一般现在时，为什么？各自...

问题 as/when/since/before等这些从属连词可以引导表语从句吗

请问老师，既然because可以引导表语从句，那as/when/since/before等这些从属连词也可以引导表语从句吗？很多语法书都没写全，那我该怎么判断哪些从属连词可以引导表语从句，哪些不能引导表语从句呢？

问题 since后接短暂动词一般体和完成体的语意理解

Since he joined the army,he has been in much better health.此类句一般表示，从句提供从某个过去时间点到现在的一个时间框架，主句开始发生于此时间框架内的一个模糊时间点。教辅书中提到此句有暗含的语意(他可能现在仍在军队里，也可...