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问题 since的用法

...at never required them in the past and have not become more demanding since.”请问后半句have not become more demanding since这句话怎么理解？其中since的用法是什么呢？谢谢您！

问题 since...ago只能与现在完成时连用吗

ago本来是与一般过过去时连用的，但资料上说since…ago，如since three years ago等，就要与现在完成时连用，确实，这样的句子我也见过，但我的问题是since three years ago这类短语就不能与一般过去时连用了吗？

问题 since 的主句不应该是延续性非终结动词吗

Things have changed since I was a lad.用since时，主句动词不应该是延续性吗？change在此不具有延续性，和since的语义矛盾。盼专辑老师解惑。

问题 since引导时间状语时主句谓语动词可以非延续性的吗

Jack has already finished homework since an hour ago.I have known about it since May.since+时间点，表示一段时间，谓语动词通常是可延续性的，为什么这里的句子谓语动词看似非延续，都是表示“结果”？难道since+时间点（一段时间）也可以用于...

问题 since引导时间状语从句的疑问

...逃往第三国对国王说“I have been a hostage in King's Landing since my father lost the fight.”since引导时间状语应该是表示持续到现在，但在她说话时刻前几个月就不是人质了啊，而是在路上逃亡，这种情况有since是不是不合适？请老师点...

问题 关于since从句中延续性动词的含义问题

老师们，我有以下四个关于since从句，我特别想知道到底要怎么理解since从句的谓语动词与since从句的翻译，特别想知其所以然①I have known him since I was in Shanghai②I have known him since I have been in Shanghai③It's 3 years since I was in Shanghai④I...

问题 关于Since的选择疑惑

...;    B. Because       C. Since       D. While这题正确选项是C，我觉得是考察Because和Since的区别，Since表示的是双方已知的，显而易见的原因，不知道老师认为我这样理解正确吗...

问题 since knowing...的说法对吗

Since you know where he lives, why don't you tell me?这句话可以这样改成非谓语动词形式吗？Since knowing where he lives, why don't you tell me?

问题 since在这句中的用法

thanks to the subsequent media inerest, a few dozen other subjects (including Veiseh) have since come forward and contacted The team at The University of Califonia. 请问这里since是什么用法？

问题 一个含有since从句的句子的翻译

在书上看到，since从句的翻译要注意，要从什么动作结束时算起，有点乱。比如下面这个句子怎么翻译才通顺呢？Our cat’s been bad-tempered since she had kittens.

问题 since的翻译

请问老师！汉译英：自从我独居，便不时感到孤单。I feel lonely from time to time since I've lived here.这个翻译是否正确？

问题 since从句为延续性动词时的翻译疑问

在句型“It is +时间段+ since从句(从句用一般过去时)” 句型中有这样的解释：如果 since 从句的谓语动词是瞬间性动词，表示肯定意义；如果 since 从句的谓语动词是延续性动词，则表示否定意义。请问为什么“瞬性动词，表示肯...

问题 since后接持续动词的理解问题

John is now with his parents in New York, it is already three years since he was a teacher约翰现在和父母一起住在纽约,他不当教师已经三年了.since 后面如果为持续动词，时间按照动词结束时算起，请问下面的如何解释？Since I was young, I’ve noticed cha...

问题 when/since when引导的特殊修辞（或修饰）疑问句的理解

...tell是持续动词，还是短暂动词呢？因为有一本书上说，since when也可引导修辞问句，但对谓语动词有要求：如果是持续动词，那么since when + 持续动词的现在完成时或一般现在时均可。但是如果是短暂动词，就只能用一般过去时，...

问题 not since是什么意思

Well, sir, you'll be covered with cobwebs if you go into it. Why, it hasn't been opened for nearly five years, not since his lordship died.请问：not since 是什么意思？