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问题 关于could be和could have been虚拟语气的问题

...语气，第54课《黏糊的手指》课文中出现了nothing could have been more annoying，用到了could have对过去的虚拟语气。两篇短文都是在叙述过去，为什么前者使用could be对现在的虚拟语气，而后者却使用了could have been对过去的虚拟语气？这...

问题 what和how引导的感叹句

...数可数名词时，感叹句是怎样变的？What great inventions he has made！改成how引导的句子如何变呢？2. how 引导不可数名词时，句子怎么变？What bad weather it is！改成how引导怎么变？3. The road is crowded. 改成what引导的句子：是What the crowded r...

问题 现在分词用法疑问

My object，to give a candid and truthful statement of facts：to repeat the story of y life，without exaggeration，leaving it for others determine. whether even the pages of fiction present at picture of more cruel wrong or a severer bondage.这里用leaving为什么？不太理解。leaving it.....

问题 at the same time的用法

...and other forms of exercise.Meetings with business associates don’t have to take place in the office or a restaurant. Invite someone to join you for a walk in the park, run around the track, or a game of tennis. You don’t have to learn to play golf in order to get exercise and do business at the...

问题 in humans 如何翻译

...m around one year of age, but it will be another year before they are able to do the same with less symmetrical (对称的) shapes. This ability to recognize that a shape will need to be turned in a specific direction before it will fit is called an “allocentric frame of reference”. In the exper...

问题 英语长难句分析

...and on one side of the smaller lumps of gold and silver, thereby attesting to its purity and value, and so originated the first acts of coinage, which is generally attributed far back in ancient history to Lydia, a country in Asia Minor, celebrated for its mineral wealth and gold, where probably the...

问题 如何理解现在完成进行时（have never been camping）

That sounds fun. I have never been camping.这里的完成进行时可以同义改为现在完成时吗？含义上有什么不同？请专家老师赐教。

问题 Don't get me wrong, I loved being married, been th

Don't get me wrong, I loved being married, been there four times.这句话中been前面是不是省略了have？如果是为什么能这样省略？

问题 You've both been very impressive today.

You've both been very impressive today.请问both为什么放在这里啊，是什么词性什么成分？

问题 英语语法网《since用法要点全面归纳》自己不解之处

...后除可接名词代词外，有时可接介词短语。比较：He had been there since her death. 自从她死以来他就一直在那儿。He had been there since before her death. 自从她死以前他就一直在那儿。我的疑问6:为什么这里主句用过去完成时?其条件是什么...

问题 句首instead of的用法

Instead of a plan of  action, they continue to press for more research--a classic case of ‘paralysis by analysis’.

问题 thus放在be前面还是后面

He became a confidante of Churchill, and thus was privy to some of his thinking. 这句可以改成这样吗？He became a confidante of Churchill, and was thus privy to some of his thinking. 

问题 使用情态动词+动词原形可否表示对现在或将来的可能性推测呢？

...d gone, for I am already aware that she is the one person in Coombe Tracey who might be of service to us in the matter. In fact, if you had not gone today it is exceedingly probable that I should have gone tomorrow."最后一句：if you had not gone today it is exceedingly probable that I...

问题 There be 句型被动式如何划分句子成分

下面这个句子，在 there be 之间插入了 are known to：There are known to be thousands of different species of beetles.类似的好像还有：There was said to be a fire in that building last night.引句中在 there be 之间插入了 was known to。请问：上面两句中的 thousands ...

问题 难句分析

Sometimes you must risk to grow, and all risks can result in mistakes. When I've made a mistake, I've acknowledged the error but used it as a lesson to keep me from making the same mistake again. It's all part of the educational process, of growth.曹老师你好，上面的一段话我...