问题 用法疑问:We are exercised in boxing once a week.

《葛传椝英语惯用法词典》上有这样一句：不可说 We exercise in boxing once a week，该说 We are exercised in boxing once a week.但我查手头的词典都没有查到这类用法，请教各位专家。

问题 辞书质疑(33)：徐广联主编《当代高级英语语法》中once recovered的用法问题

徐广联主编《当代高级英语语法》第830页有这样一句：Once recovered, she threw herself into her work. 身体一康复，她就投人工作中去了。大家说说这里的 once recovered 用得对吗？我感觉不对，请专家老师看看！谢谢！附截图：

问题 这个before的位置有什么讲究

And perhaps never before has it served so much to connect different peoples and nations as in the recent events in Europe.答案对这个倒装句给的参考还原是it perhaps has never served so much before to connect different peoples and nations as （it has served to connect different peoples ...

问题 once lost的用法疑问

An opportunity is something that, ____, by no means you will get back.An opportunity is something that, ____, by no means you will get back.A. if you lose B. when lose C. once lost D. after losing书上的答案是C，请问老师，为什么不选A？

问题 不定式做形式主语

It, therefore, is necessary to stop frequently and sanitize low - temperature evaporators, and where sterile concentrated food are required, to resort to an additional preservation. It 是形式主语，两个不定式to stop frequently and sanitize low - temperature evaporators, and wheresteri...

话题 every once in a while

话题 as rapidly as once thought

问题 长难句分析

The hereditary absolute monarchy has been overthrown, and with it are gone all those institutions which for centuries have been its paraphernalia: the imperial household with its unlimited number of wives and concubines, the institution of eunuchism, the parasitic nobility born to power, and many ot...

问题 in the early morning of May 10 为什么要用介词in不是on

问题 英语典型句子的语法结构分析

...roperty, it is virtually ubiquitous. If intentionality is variable binding and lookup, then it is quite common. If intentionality is consciousness, etc. then it is quite rare.Is that it would appear that it's quite rare, then; and that it isn't computation.在这段论述中，最后一句...

问题 once不可以和现在完成时连用，before却可以

I once have had a job on a cruise ship ×I have had a job on a cruise ship before ✓

问题 and并列结构的省略问题

You could see red, white and yellow flowers in it.My mom and I used to walk around them and ____ (enjoy) their smells.填 enjoyed 和 enjoy 都可以吗？若用enjoy, 视为 and 并列了used to 后的 to walk 和 (to) enjoy,若用 enjoyed, 视为 and 并列了used to walk 和 enjoyed. 盼望专家...

问题 三个虚拟语气的疑惑

...语气，几个疑惑：（1）would rather sb did 例如：Don't come tomorrow, I would rather you came next weekend.从句的谓语用“一般过去时”came表示现在或将来的事件。我不能理解：为什么不用would come 呢?（2）He would rather do sth.这里do其实是不是b...

问题 强调句的主谓一致?

It was porters and large or small horse caravans that brought back and forth goods inclu-ding tea , horses , fur and traditional Tibetan medicine along the Road.这里porters and caravans明显是复数，是因为看成整体所以用it来强调吗？

问题 句首的In是不是应该去掉？

...g children could decrease the benefits of extracurricular participation or even generate negative effects on child development.  请教各位老师，句首的In 是不是应该去掉呢？ 这是Psychology Today上面的一篇文章里的一个句子。