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问题 有关完成时态的若干疑问（涉及事件、习惯等）

...还是事件意义 分析不透彻，求老师指点，比如 You should be careful when you cross the road. 5. 我区分事件和习惯，主要是通过事件是具体的一次或多次的过程，习惯是不具体的，您看这种理解可以吗？

问题 Thank you前可以加上第一人称的主语吗

...为我们提供了这么多资料。Thank you for your help. I appreciate it. 谢谢你的帮助，我感谢不尽。但可以在前面加上第一人称的主语吗？

问题 为什么将实义动词goes前置（而非用does）

McDonald’s, its largest customer, accounts for 13% of Lamb Weston’s sales. As McDonald’s goes, so goes Lamb Weston.结构我能理解，但是so goes Lamb Weston不应该是so does Lamb Weston吗？利用替代词does来替代goes进行一个倒装？是因为在so这种结构下，是可以...

问题 with dinner与with a dinner

The evening concluded with dinner and speeches. 这个夜晚在宴会和讲话中结束。 请问句子中的with dinner可加个冠词说成with a dinner吗？

问题 work at home还是work from home

有这样一个句子：Rather than going into an office, a lot of people are connected to the Internet and now work from home. 现在有许多人都不去办公室，而是连接到互联网，在家里工作。请问这里为什么用 work from home，而不用 work at home 呢？

问题 text messages与text messaging的区別

...t of text messaging, you can see that Company A is the cheapest from Spain and the USA.请问为何第一句用 text messages，第二句却是 text messaging? 两者使用上有何不同?Thanks in advance.

问题 否定的特殊形式（用no与用not的区别）

... Birmingham or Manchester, road conditions are so chaotic that both driver and pedestrian often endanger lives through no fault of their own. 请问老师，原句的意思是“司机和行人处于生命危险的原因不是自己的错误”是吗？通常我们是在谓语动词前添加not...

问题 Colombian military 前面是否应该有一个定冠词

...看到这样一句话：This news item is about the release of Betancourt and 14 other hostages by Colombian military. 我怀疑在 Colombian military 前应有一个定冠词，因为表示军队应该用 the military, 而且 Colombian 是形容词，不是名词，前面应该有一个限定...

问题 around是介词还是副词的判断

...。例子2：So what this company is doing is searching around the world and gathering naturally occurring microorganisms that do both things.这里的 around 能不能理解成副词呢？因为此句中我觉得 search 可以是及物动词，around 作副词修饰此句的 searching，然后 the ...

问题 the southern Chinese city of Shenzhen 有of的地点表达

the University of Melbourne's school of computing and information systems 这种表达有规则可循吗？直接积累模仿吗？

问题 ​怎么理解but和nonetheless放在同一个句子里使用

The book is too long but nonetheless informative and entertaining.在这个句子里 nonetheless 是个副词 = despite this fact， 前面的 but 是什么词性？如果 but 是连词，为什么后面不接句子？这里 but  和 nonetheless 都是让步，两个一起用不是重复了吗...

问题 whereby 的用法分析以及句中起什么作用

...rocess whereby carbohydrates are converted aerobically into carbon dioxide and water with the release of large amounts of energy.句中的 respiration 是主语，is 是谓语，that 是从属连词引导表语从句吗？那 whereby 在句中起什么作用？是做副词吗？有人说它是引导...

问题 as many as的分析和per hour

His tiny arms and legs would stiffen for a few seconds as many as 30 times per hour.这里的as many as怎么理解？many是指代的a few seconds吗，as 30 times per hour is？per hour是30 times的后置定语吗？请老师分析一下结构

问题 to for的用法

... themselves as they realized that Henry Ground had led them into his last, and the funniest, practical joke, setting their need to laugh against their desire for money. need to laugh是笑的需要，desire for money是对钱的欲望。to 和 for都是从属的意思吗？.....的....。它们...

问题 in part at least在句中的是什么成分

Caffeine was a frequent ingredient in these concoctions, presumably because, in part at least, people had become accustomed to the stimulation that coffee and tea provided.in part at least 在句中的成分？