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问题 by the time加过去完成式的疑问

By the time he had fixed the leak, I was into him for$ 500.请教老师，这句话为什么用过去完成时，一般都是过去时

问题 这句话中是否缺少一个动词？

请问这句话是否缺少了一个动词，是否应改为…gotta take a shower.才正确？

问题 这个句子中to do不定式 做啥成分

...logies like big data, the Internet, artificial intelligence and blockchain with the transport sector, to ensure easier movement of people and smoother flow of goods.

问题 Wearing my own shoes proves not only convenient but also ensures a point that the feelings of others can be ignored.

Not only but also并列了哪两个句子，是Wearing my own shoes proves convenient 和 ensures a point 吗

问题 of的用法

... now, as her own observations were confirmed by fellow scientists all over the country, that this "worm" now carried a heavy concentration of poison。句末的a heavy concentration of 是表示一个单位的意思吗？比如类似a part  of 。还是说of是...的的意思？

问题 虚拟条件句的宾语从句的时态问题

I would not have come here if I had known he would be here.我知道这是虚拟语气，与过去事实相反，我的问题是能不能把 he would be here 改成 he was here, 这两个句子有什么区别？

问题 to do变成ing可以吗

He wants to to catch fish. He wants catching fish？ I try to cooks for us. I try cooking for us？ He likes going swimming. He likes to go swimming？ 请问可以这样吗？

问题 me and you可以作主语吗？

在美国影片《完美的世界》中，越狱犯布什抢劫了一辆轿车逃亡，在车上他对被挟持的小男孩菲利普说：Me and you are friends. 请问，为什么不说 I and you？是不是说 You and I更好呢？

问题 sleep 后面接的过去分词做什么成分

I sleep snuggled up warm and close to my brothers and sisters. 请问这里的snuggled up做什么成分，只知道过去分词可以做后置定语，难道是做后置定语表被动修饰I吗？感谢解答！

问题 in addition to后面可以接不定式吗

...ddition to后面通常是接名词或代词的。如：In addition to her, there were Mr and Mrs Dalby. 除了她还有戴尔比夫妇。In addition to the overcoat you asked for, I bought you a shirt. 除了你要的上衣外，我还给你买了件衬衫。也可接动名词。如：In addition to...

问题 in front of和around的选择

各位老师好，在做单选题时遇到这样一道题The children like sitting_____the teacher and listening to her telling a story.A. in front of    B. around这道题的答案是B，但我觉得这道题选A和B都没问题，请老师们指点，谢谢！

问题 Bring to sth 结构分析？

... experience of fortyyears' advanced English teaching in many countries with widely ranging language backgrounds - notably Japan, China, Chile, Greece, Czechoslovakia and France.没看懂这句话，bring to sth 结构吗？这个句子成分好难理解，麻烦老师详解。

问题 刘老师请问这里的be abandoned in favour of怎么理解呢

原句是The coal industry should be abandoned in favour of alternative energy sources.意思是应该用其他的替代能源来取代煤矿业.那么不应该是be abandoned with in favour of吗

问题 a group of 后面接单名词还是复数名词

有一句话这么说的:This group of member is listening to the teacher carefully.这句话是否有错误？

问题 for的作用和含义

What have you been interested in for as long as you can remember?就你记忆所及，你对什么事情一直感兴趣？句中for起什么作用和含义？介词for的宾语是什么？如何完整分析该句的逐一成分呢？