找到约 30000 条结果

问题 关于现在完成时和过去时的问题

..., I called to tell you that the conference has been delayed until the 15th and 16th.这两句话有网友认为came和called应该改为have come和have called。给的理由是一般过去时表示时间或者状态发生在过去，而且结束点离现在有一段时间间隔，所以改为have c...

问题 是否有be used to do sth这种表达形式(used是形容词表示“习惯了的”)

..., the cruel knives with which Mr. Jones had been used to castrate the pigs and lambs, were all flung down the well.因为castrate是动词原型，所以按be use to习惯于来解不对，按use to曾经来解，那么前面的had been是怎么回事？ 2. It was noticed that they wagged their tai...

问题 Noun + compound nouns是什么意思

...n the stressed syllable of the first word.Examples:SEAfood (sea + food)ICEland (ice + land)TOOTHpaste (tooth + paste)FOOTball (foot + ball)BAsketball (basket + ball)B. Compound adjectivesA compound adjective is an adjective made of at least two words.Often, hyphens are used in compound adjectives. I...

问题 故事梗概中时态（过去完成时）的用法

...ess, Alfredo had inquired after her daily. Violetta, amused, cannot understand why and teases her lover, Baron Douphol, that he did not do the same. 也就是说Gastone现在病已经好了https://www.britannica.com/topic/The-Red-and-the-BlackThe book ends with Sorel’s execution for the attempted...

问题 句子成分

We need principals from all stakeholder groups in Davos to summon the imagination and commitment necessary to tackle the problem.请问 necessary to tackle the problem 作什么成分？

问题 mean用法疑问

 I believe god meant marriage for men and women.单词mean似乎有很多意思，我觉得原意“意思是”可以填进去，但是为什么要用meant呢

问题 to的用法疑问

您好，请问这句：Some pets are abandoned by their owners to and ... 其中 to 属于什么结构？去掉to呢？

问题 yet的用法

When and where to build the new factory is not decided yet. 请问句中有yet为什么不能用has not decided呢？

问题 主动表被动

请教老师们：Jonda struck again with all her might and this time ，mercifully，the window broke into little pieces中为什么broke不用was broke呢？ 先谢谢老师们回答！

问题 as...是什么成分

The extent of their deception and distortion may come as an unpleasant surprise.请问这里的as是什么成分？

问题 not的用法

Texan frackers respond to price signals and the profit motive, not government quotas.我想问一下not不是副词吗？为什么能直接否定一个名词呢？

问题 believing that

they have the incentive to develop and maintain healthy habits believing that these habits can bring enjoyment to their lives。请问这是什么句子，

问题 句子结构分析

The winding course of the stream continually shut out scene behind us and revealed as calm lovely a one before. 这里as后面没咋看懂，老师能不能分析下？谢谢！

问题 谓语动词的数量

请问老师，He sang and danced in the lawn. 这句话的sang和danced是两个谓语动词还是算作一个整体？一句话只有一个谓语动词的说法是否正确？

问题 难句理解

Besides, we can improve the technology of tracking user’s movement, which requires cameras and beacons to be applicable. 请问老师，这里的to be applicable做什么成分？应该如何理解？