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问题 when and where算单数吗？

Professor James will give us a lecture on the Western culture, but when and where ____ yet.(2007 浙江) A. hasn’t been decided B. haven’t decided     C. isn’t being decided D. aren’t decided

问题 else可用于哪些疑问词之后作修饰语

...么吗?Where else did you go? 你还到什么地方去了?Who else was at the party? 聚会上还有谁?请问，除了 what, where, who 之外，还有哪些疑问词也可后接 else? 谢谢！

问题 As you will have noticed…为什么用将来时态

有这样一个句子:As you will have noticed, there are some gaps in the data. 你也许已经注意到了，数据里有些缺漏。这里的 as 是什么从句？它为什么用将来完成时？这个 will 用得对吗？谢谢！

问题 It’s important that...后面的从句必须要用虚拟语气吗

It’s important that he ______ present at the meeting.填 (should) be 肯定是对的，但如果填 is 呢？填 will be 呢？也都对吗？

问题 现在分词一般式与完成式的用法疑问

They hoped he would own up to having told the lie.I think that's what he said, but I can't swear to having heard him correctly.这两句话中的tell和hear为什么要用现在完成时？不能直接就telling, hearing吗？是不是在介词后面的动词只能用现在完成时表示过...

问题 如何分析 come one's way 的用法与意思

Some good luck came his way. They gladly accepted whatever money came their way. The instructor put off driving every student who came his way. 这几个句子是什么意思？come one's way 怎么理解？come 是及物动词吗？

问题 Legend has it that...是什么句式（it是形式宾语吗）

Legend has it that the Dragon Boat Festival originated long, long ago. 传说龙舟节是很久很久以前开始的。请问专家，这是什么句式？如何分析？it是形式宾语吗？

问题 定语从句和并列分句的疑惑

This idiom refers to the fact that good gardeners who spend a lot of time gardening might get their hands stained green from touching plants. 这句里面的who和might，为什么不可以换成will和and，我觉得意思上没有差别啊，will作用spend和get，两个并列的句子。 ...

问题 怎么区分while引导的是时间状语从句还是条件状语从句

怎么区分 while 引导的是时间状语从句还是条件状语从句？Some people waste food while others haven’t enough.一些人糟蹋食物而另一些人却食不果腹。We must strike while the iron is hot.我们要趁热打铁。

问题 结构分析：I Just came back last Sunday.

...么结构？介宾？状语？能不能列举所有情况？3.He failed in the exam.是主谓介宾还是主谓状语结构？

问题 run aground 是系动词+形容词吗？

The ship ran aground where there should have been a depth of 35 ft.请教老师：上句是词典例句。aground词典都列为adv副词，词组run aground是搁浅的意思。我的疑惑是，run aground应该是系动词+adj用法，aground怎么会是副词呢？如果aground是副词，修饰...

问题 However exciting this may sound这句话是什么结构？

However exciting this may sound, Walker is quick to remind the optimistic observer we still have zero evidence that life actually exists on any of these far-off planets.

问题 连词和状语从句可以构成插入语吗

Iconoclasts, either because they were born that way or through learning, have found ways to work around the perceptual shortcuts that plague most people.                               阴影部分：是插入语吗？还是状语从句啊？              ...

问题 关于过去分词作定语的与谓语的时间先后问题

老师您好，我有一个疑问，比如：The broken cup is mine.这个broken表被动、完成，是先于谓语is的。但是举个例子，He faced with so many difficulties looks worried，这个faced with so many difficulties是he的定语，那么faced with so many difficulties不是一种...

问题 death toll是数字时后面该不该再用数字加people

The final death toll came to 2,743 people—almost all New Yorkers.这是《经济学人》里的句子。我认为这里有people不太规范，应该去掉。各位大咖专家老师怎么看？多谢！