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问题 If it were not for...的主句可以用would have done吗

If it were not for...对应的主句通常是 would do。如：If it were not for your donations, many more children would go hungry. 要不是有你的捐赠，会有更多的孩子挨饿。请问主句可以用 would have done 吗（如果语境需要的话）？

问题 they're on and the little stories如何理解and the little stories在句中的用法

...m. after you've lived here for one or two years you get to know the system and then that's quite good. You know how to use libraries and oh... you get to know where to um... call in emergencies; um... you get to know... er... trying to get a radio and understand the radio and all the... programmes t...

问题 until中的过去完成时

He waited until she had finished speaking.从汉意上怎么觉得 finished 发生在 waited 之后，怎么却用了过去完成时？不理解 finished 怎么在waited的之前了？盼专家解惑。

问题 scarcely...when...句式的翻译

She had been in London scarcely a month when she was struck down by a fever. 请问这个句子如何翻译？它是 scarcely...when...句式吗？

问题 both+修饰词+and+修饰词+中心词，中心词的单复数如何确定(如both your and my...)

请问一下老师：Both 修饰词 and 修饰词+中心词，中心词的单复数如何确定？比如 Both your and my mom,这个地方只能用单数mom；但是我看到外网上用Both refining and petrochemical industries，柯林斯词典industry词条下有the moter vehicle and textile indu...

问题 and是否属于画蛇添足

Oversight may be weaker. And the development of vaccines and treatments adds to the risk of bribery and profiteering.老师您好,请问第一句是句号，第二句加了一个and 是否属于画蛇添足。

问题 and的连用

If you hang back, and reserve and critical at first, you are preventing yourself getting the fullest value. 这里三个动词为什么有两个and，而且还用了逗号？

问题 一个句子中有两个and

...es—the immigration of European peoples with their varied ideas, customs, and national characteristics‚ and the impact of a new country which modified these traits.请问：1. with their varied ideas, customs, and national characteristics是European peoples的后置定语吗？2. 一个句子中...

文章 究竟是than is expected 还是than are expected

...桥英语语法》的例句和解释：They finished the job earlier than (had been) expected. (p1110) 该书把than引导的分句解释为相当于than it had been expected that they would finish it. 该书进一步解释如果没有that 分句，外置it 不能有。（原话but note that extrapo...

问题 and与破折号的用法

...cribes the CR as a “triangular game”. It involved M, the bureaucrats (and the “conservative” Red Guards they supported), and “rebel” Red Guards whom M tried to use to topple the bureaucrats blocking his Utopian—and destructive—plans for China’s social and economic transformation...

问题 and so 的用法

It is also expected that those top students would have fewer disctractions and so better concentrate on their studies.请教老师，句中 and so 表示因此，所以 and so better… studies是结果状语从句。如果换用and，前后句就成为并列句了？但语法上，两者都是正...

问题 长难句疑问，求助

Social science methodologies had to be adapted to a discipline governed by the primacy of historical sources rather than the imperatives of the contemporary world.句子中的 governed by the primacy of historical sources 如何理解？

问题 疑问句为什么没有问号

Had we not missed the plane, we would all have been killed in the crash.这个疑问句为什么没有问号？

问题 after可以引导定语从句吗

Long after the Trail Blazers had left their court, ...这是 after 引导的定语从句修饰long吗? 在这里，long 是名词吗？谢谢老师。若是时间状语从句，它可以修饰形容词吗？

问题 undo是省略了不定式吗

The pins had come undone again as she spoke.undo 是动词，是省略了不定式吗？