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问题 关于静态动词现在完成时态没有持续时间状语的句子的合理性问题希望专家们再次论证

...困扰英语学习者的语法问题。      英语动词有时态、语态、语气、非谓语动词等诸多变化形式，每种形式都隐含某种意义，即内容决定形式，形式反映内容。其中动词基本词义是影响动词形式的非常重要的内容之一。...

问题 辨析：since when与when…since（since的位置）

下面的正误句看不懂：他从什么时候开始留胡子的?正：Since when has he had a beard? 误：When has he had a beard since? 请专家老师分析和指导，谢谢！

问题 ever since与since的区别

有人认为，ever since 比 since 强调，我想问的是，除了更强调，还有其他的区别吗？

问题 并列谓语的时态不一致的疑惑

People become quite illogical when they try to decide what can be eaten and what cannot be eaten. If you lived in the Mediterranean, for instance, you would consider octopus a great delicacy. You would not be able to understand why some people find it repulsive. On the other hand, your stomach would...

问题 since recently, since lately的说法对吗

要表示“自从最近以来”，英语可以说 since recently, since lately 吗？谢谢专家的解答！

问题 since的词性(since being defeated...)

老师好!Since being defeated in the recent elections, the former Prime Minister, Mr.Lane, has retaired abroad.本句中Since being defeated in the recent elections,为时间状语，记得老师说过，如果since为连词，从句主语与主句主语相同，且从句谓语动词含有be,此时...

问题 since的用法----例子： in the century since

老师好！贴图题目出现in the century since（划线部分）。怎样翻译？in the century since怎样语法分析In the century since,the name Poirot has become familiar around the world.谢谢老师帮助！

问题 ​ since attained的用法分析（since后接过去分词）——之三

 The objective, since attained, was to create a set of contractual rules that would establish uniformity in that practice, so that practitioners would not have to cope with a plethora of often conflicting national regulations.        since attained作什么成...

问题 since doing 和 since having done 用法疑惑？

The United States has reduced its forces there to around 8600 since signing the deal with the Taliban in February.这里的since signing...意思是自从签署了...那么为什么不用since having signed 完成时呢？

问题 have since been的用法（since放在谓语中间）

Perhaps all the deficiencies have since been rectified. since 在这什么用法？怎么在 have been 的中间？

问题 since attained的用法分析（since后接过去分词）-之二

前面有网友提了一个“since后接现在分词“的用法（since attained）：http://ask.yygrammar.com/q-34521.html 但我曾见过书上说 since 后面接动词的-ing形式，但不能接过去分词。想请专家老师对此再深入讲解一下——是惯用法？省略用法？还...

问题 since this year与since now(《大学英语深层语法》)

前面有网友提问since this year 的说法有没有错误。https://www.cpsenglish.com/question/55217我同意好题老师的分析。但有趣的是，我在王国栋编著的高校英语选修课系列教材《大学英语深层语法》（清华大学出版社）的535页发现了since now的...

问题 好题分享(23)：选择填空题(since还是ever since)

I have done my homework ______ (since / ever since) I returned home.请问应该选哪一个, 还是任何一个都可以？

问题 现在完成时的使用疑问

请老师分一下这个句子的三种时态，尤其是后两个谓语动词部分为什么一个用完成时一个不用？He (has written) several novels since 1985. Most of them (have been) very successful, but the last one (didn't get) very good reviews.

问题 since和ever since之间的区别

...解读。后者Tr在To前开始且延伸到To，有个别限制：习惯用since或者for短语，在非进行体中它则只能使用终结性动词（atelic）。所以7i可以用。lived here状态，visited her regularly习惯转静态。activity也可以使用，也因为不是终结动词ii wr...