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问题 having done 后面只能用过去时还是过去时和现在时都能用

...emind）_______ not to drive after drinking, some drivers are still trying the luck. 搞不明白到底是having been reminded 还是 reminded。谢谢!having done 只能用于后面是过去时，还是后面是过去时和现在时都能用?

问题 分析:their hunger and need to expanding knowing no end

这句话是在一部英文小说上看到的，原文是：As they grew, the Sporemounds consumed more and more, their hunger and need to expanding knowing no end主要是后面半句，我可以理解这句话的意思，但是看不懂语法结构。如果主语是 their hunger and need to expand...

问题 名词和动名词表达相同含义时怎么区分

...take a break of about 15 minutes during each hour of (play/playing).During the Northern Song Dynasty, Bi Sheng invented moveable type of printing after numerous (tests/testing).以上2句，都是关于介词后面使用名词，还是动名词？第一句答案是play，但是，是否也可以填...

问题 working together as one team现在分词在句中充当什么成分

..., meaning it involves purchasing, engineering, supplier quality assurance, the supplier, and other related functions working together as one team, early on, to further mutual goals.请教各位老师：to further mutual goals目的状语，early on时间状语，那么working together as one team在...

问题 对as…as结构的细节上的疑问

先写个例句The owners have been scrabbling for a living for as long as they can remember. 那些矿主一辈子…1、牛津字典上 把as…as…结构 归纳到 副词as的第1个意思。发现它提供的例句中 第二个as，有些是介词，有些是连词。语法书在讲比较结构...

问题 不定式的用法

It was a bad season ______.A. to have outingsB. which to have outingsC. in which to have outingsD. for us to have outings选哪个？问什么？

问题 wherever的用法

Wherever in their incredible migrations destiny had moved these people, they had vigorously demanded deep social changes.这里wherever是作为副词还是连词？还有migrations后边好像是个省略了引导词的定语从句，请问老师这句话得怎么分析？

问题 with引导的状语

Americans often take a “business-first” approach, with personal relationships playing a smaller role than in many other cultures.此句中的with，是否可视为非限制性评注型状语？

问题 关于被动句的问题

His father was sentenced to 10 years 加了be 而 Yunnan gang leader sentenced to 25 years in prison 没有加be这是为什么呢？求解答。谢谢！

问题 Much的用法

请问老师much+复数名词的用法有要求吗？Essential Grammar in Use 中有个句子是 Do you know much about computers? 请问回答I don't know much about/many about…都可以吗，感谢老师的讲解！

问题 with介词的用法

 To avoid a decrease in efficiency with perovskite NCs。句子的意思是为了避免perovskite NCs效率的降低。with 介词的用法一直不是很清楚，比如这里的with,要是我 我会用of替换with。

问题 whether 的用法

To sum up, public toilet have great importance, whether in regard to people’s well-being, social inclusion and harmony.这里的whether是什么用法？whether 一般和or搭配，这句话的whether...and....是否有误？

问题 Both词性问题

He will have a wonderful future both in his career and his personal life.both在词典里只有限定词和代词，但这两个词性在这里都说不通。难道这里的both的副词？为什么词典不添加一个副词词性呢？

问题 极易错的题

...题涉及where从句，是一道极易错的题：。　 When you read the book, you’d better make a mark __________ you have any questions. 　　 A. which                     &nbs...

问题 for what seemed to be a very long time如何理解

I waited, cold and tired, out of the building for ______ seemed to be a very long time.A. which      B. that       C. what      D. it答案是C。请问怎么理解？谢谢！