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问题 这里的it是指前面整句话还是名次problem呢

Heavy schoolbags have been a serious problem for a long time. But the e-schoolbag will work it out.这里的it是指前面这句话吧，长时间都是严重的问题。

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 条件状语从句是一般现在时为什么主句不用将来时态

If you don't eat meat, this tour is not for you as the Inuit live on animals, birds and fish. (Inuit-因纽特人） 主句为何不用一般将来时。我记得条件状语从句用一般现在时，主句应该用一般将来时。

问题 关于 feel sorry for / about 的用法疑问

老师好，The girl seemed to feel sorry for him.首先 seem 与 feel 我认为在本句中都做系动词，seem 的表语是介词短语 to feel sorry for him，而 feel 的表语是形容词 sorry，这样理解是否正确？feel sorry for sb 对某人感到遗憾feel sorry about sth 对某事...

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 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 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！

问题 a good fit for sb用法分析

She are a good fit for you.这里的for介词片语是作副词用是么?a good fit for 中的 for 介词片语是作副词还是形容词片语，为什么呢?Tell what makes you a good fit for the job. 这个for 引导的介词片语也是作副词用的是么，还是形容词修饰fit?

问题 请问这是哪种条件句（和通常的“主将从现”不同）

词典是有一种动词的释义VERB 带领; 引领; 护送If you are shepherded somewhere, someone takes you there to make sure that you arrive at the right place safely.这种主句和从句都是一般现在时，和通常的“主将从现”不同，这是哪一种条件句呢？

问题 对划线部分提问以表意为主还是语法为主

...法规律，但是感觉后者才更符合表意。同样的， She likes the black dog?  对定语black划线，应该用Which dog does she like?  但是有些人坚持只要是对颜色提问就用What color，那么就变成了What color dog dose she like?   请哪位大神给个有根据的...