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问题 before引导的从句为什么不用一般现在时代替将来时

It won't be long before his boy will help the girls with their bags.

问题 sports为什么要加s，表示什么意思？

Sports that have propelled Britain up the medal table have received extra investment while others have had their funding cut altogether请问：sports为什么要加s，表示什么意思？others指的是“其他非sports的东西”还是“英国外的国家”？

问题 请问which所引导的从句的先行词是什么

It’s only when we have left school or college that we understand the greatness of our opportunity of education, which has gone for ever.请问which所引导的从句的先行词是？

问题 这里的不定式to explain是定语还是状语

He took great pains to explain the rule clearly.请问老师， 绿色部分为什么不能做前面名词词组great pains的定语呢？ 绿色部分，可以排除是宾语补足语，但是好像既可以是定语，也可以是状语？谢谢老师的回答。

问题 come 与 go 表示"去"的疑问

We are planning to climb the Biling Hill this Sunday and sincerely invite you to go with us.这是写作中的一个句子，老师要求把 go 改为 come。请问为什么这里不能用 go 呢？

问题 than后接动词用什么形式（不定式还是动名词）

The car is a bad situation, but it's better than having no car.请问这里的 having 可以换成 to have 吗？

问题 was expected 还是 is expected

有一道选择题：—Did you telephone the manager’s office?—Yes. He _______ back before 9 o’clock this morning.A. was expected    B. expected    C. is expecting    D. is expected答案给的是A，也有给D的。到底是哪个呢？求解答...

问题 请帮忙翻译句子(It tends to ignore...)

It(a system of conservation)tends to ignore, and thus eventually to eliminate, many elements in the land community that lack commercial value, but that are essential to its healthy functioning.请老师帮忙翻译并分析此句，谢谢！

问题 did 和 might have done的分析

For nearly ten years, he did very few interviews or concerts. His simple life might have continued but for the great musician. 这里的did是强调过去的实事，而不是持续的状态？might have done 这里是虚拟的用法，而不是陈述语气对吗？ 

问题 not because...（not在句中充当什么成份）

如：And we’re miserable. And we’re miserable not because the other guy can’t run a good meeting, it’s because of MAS, our Mindless Accept Syndrome, which is a self-inflicted wound.

问题 struggle for 后面接的是宾语还是状语

Women in the United States struggled for their rights for two score years.想问下struggle 加介词后,后面内容是宾语还是状语?此外,score的用法,如果是"一个20年", a score year还需要加"s"吗?

问题 Sorry for sb or sth的应用

老师在这个句型中，for sb 与for sth都是做状语，但他们是否是做同一状语呢？ I feel sorry for you.这里的for sb是表对象， sorry for the late reply.这里的for sth是否是表原因呢？辛苦老师确认。

问题 比较级中的替代可以用it代替that吗

The population of China is larger than (     ) of America.这个句子括号位置只能用 that 吗? 为什么不能用 it 代替?

问题 remain to是什么意思

Again, there has always been something surprising to me about those cone-shaped hills that suddenly pop up in Shropshire and along the Welsh border I have never explored this region properly, and so it remains to me a country of mystery, with a delightful fairy-tale quality about its cone-shaped hil...

问题 come可用作及物动词吗（要不然为什么接宾语）

The following morning came news of her friend's death.这里的 came 是及物动词吗？要不然为什么后面跟有宾语啊！