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问题 which 引导非限制性定语从句

The album will be released soon. And it is said that there is a accordion in it, which I think has a very pleasant sound.请问这句话中which引导先行词accordion的用法对吗？

问题 句中的ing部分做什么成分

看到读者文摘上的一句话：Many USOs—unidentified swimming objects—may be mistaken sighting of seals, oarfish, even logs or rocks, LeBlond and Sibert explain.请问此处的sighting of seals, oarfish, even logs or rocks 在句子做什么成分呢？谢谢。

问题 并列连词and两侧结构不对称

The idea was that there be a federal subsidy…um…uh…financial assistance to artists and artistic or cultural institutions.右侧多了一个artistic or cultural，这样可以的吗？这两个形容词加上读起来总是很拗口。平时多见的都是左右两侧结构一样。

问题 一道时态的选择题

... where I _____ for exactly three years.A. have workedB. is workingC. will be workingD. workE. will have worked F. will have working这六个选项中我觉得ADE这3个好像都可以，想请教老师，这三个哪个最合适，并且其他两个为什么不行。

问题 as, to用法不清

...he object of prime importance to the physically helpless infant is a human being. Babies seem to have a natural tendency to the human face as potentially rewarding.请教老师，这句话的as potentially rewarding是什么成分，而且as做啥词性呢，怎么连起来的，百思不得其解...

问题 will在间接引语中的时态

《英语常用词用法·详解大词典》席玉虎p2718的一个例句： He said he will be back in a few seconds. 他说他一会儿就回来。 句中的 will，我觉得应该用 would，不知我的想法对否，请专家指教，谢谢！

问题 对 What's happening 的疑问

老师好！happen是短暂性动词啊，为什么还有is happening? 这个be doing怎么解释？短暂性动词也有中间的发生过程吗？真想不通了，还有call,打电话打两分钟很常见，为什么call 也是短暂性动词？短暂性动词的“短暂”怎么理解？

问题 这句话是不是少了标点？

how to keep their mind on what they are doing by making it do the work without which no profit can be earned . 老师好。这是一句话，还是两句话呢？

问题 不定式做定语用主动式还是被动式

请教老师，初中课本有 a weekend to remember 为什么不是 a weekend to be remembered？

问题 close, open用主动语态和被动语态的区别

The door won’t open. The door won’t be opened 请问这两句都对吗？如果都对，它们的区别是什么？

问题 what引导主语从句时的主谓一致

What he wanted to know (was, were) the pay, the living and working conditions, and the kind of job he would be assigned.为什么这个选were 而不选was ?

问题 though用法

...面的though是做连词吗，如果连词做状语从句不是只能省略be动词吗，套上去好像不对。如果把though看成是and这样的用法（我不知道这类叫啥），也就是看成though Adams not  praised his“profound dissimulation(掩饰)”and“fawning servility“也...

问题 不定式作表语时的主动与被动

The machine is ________.A. to redesignB. to be redesigned不定式作表语时，若意义是被动的，如何确定是主动式还是被动式？

问题 请教曹老师关于he died young这类表达方式夸克对此的讲解

...问几个问题： a.这一段前面有一个部分是''如果动词可用be来代替而后续成分意思不变，并且这个动词不能用作不及物，那么位于动词之后的成分无疑就是补语'' 我个人对夸克了解的不太多，但是记得夸克有这样的说法：be是不...

问题 涉及sorry的句式搭配及区别

以下三个含有形容词sorry的句式搭配，有何区别？be sorry to do sthbe sorry about doing sthbe sorry that…(从句)比如：I’m sorry to hear that.I’m sorry about hearing that.I’m sorry that I’ve heard that.