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问题 情态动词有没有时态？

1.I could have passed my examination easily but I made too many stupid mistakes.  本句中的have passed 是理解成省略了to的不定式的完成式么？2.情态动词有时态么？情态动词后跟的是动词原形，还是不带to的不定式？谢谢！

问题 although可以换成but吗

I'm very glad that Jack is beginning to learn Chinese just like many other foreigns abroad, although I know it may be an enjoyable challenge for him.请问：句中的 although 可以换成 but 吗？

问题 此处的would be 是过去将来时吗？

I never thought I would be here.此处的would be 是过去将来时吗？谢谢啦

问题 Wish 可能性的判断

I wish he could come tomorrow.I wish he would come tomorrow.我不明白,为什么第一句认为"他明天肯定来不了",而第二句"他明天可能来也可能不来"呢?  这是怎么判断出来的?

问题 被动语态还是过去分词(这个reported前面是不是少were)

What’s more, the peak salary ($46,000) was associated with a 5 a.m. wake-up time, while those who woke up at 6 a.m. reported higher job satisfaction and an average salary of about $41,000.请教各位老师，reported 前面是不是少were？

问题 with hands red with cold 怎么理解?

The child trembled,with hands red with cold.请问这句话为什么用二个with?  with cold应该还是指手而不是人吧? 为什么不是写作 with hands red and cold 或者 with red and cold hands呢? 

问题 分析和理解：with the main cause being major changes in land tenure

In zimbabwe, the cheetah population has fallen from around 1200 to just 170 animals in16 years, with the main cause being major changes in land tenure.后面加粗的这段话，怎么看也看不懂，句法结构也不是很懂。

问题 time前的冠词用法

It was time of the Olympic Games, so hotel accommodations were scarce. 当时是奥运会比赛期间，所以旅馆住宿很短缺。It was a time of war between states. 那是个战乱的时期。It was the time of break and students came out of classroom one after another. 现在是休息时间...

问题 一个难句的理解与翻译

请分析和翻译下面的句子：Can anybody out there see me, because I can't seem to see myself who out there needs a PC?

问题 by的意思(by the expression)

I could see, by the expression on her face, that it worked no miracle.by在这是什么意思？通过...手段还是按照...的意思？这个介词短语做什么状语吗？

问题 名词所有格和of 表所属可以互换吗

比如she proved strong enough to do the work of a man.这句话中the work of a man可以等价于a man's work 吗？

问题 spend的用法

But the more time I spent hidden away, the more my confort zone shrank.这句话中，不spend time in doing sth的结构吗？为什么不是hiding away.

问题 省略的成分

曹老师您好，在讲解省略语法时遇到这样一道练习题，The material i elstaic, as shown in the figure. 我有些疑问， 首先这个as 如何理解? 是非限定定语从句的引导词还是连词“正如”；其次这里省略了什么成分？烦请曹老师解读学生的疑...

问题 分析：the matter under discussion

I wish you would confine yourself to the matter under discussion.希望你只谈目前我们正在讨论的问题。 请问句子中to the matter是作状语，表对象吗？under discussion是作matter的后置定语吗？ 

问题 something后面的that需不需要

I'm writting to tell you something I don't think is good？something 后面的 that 需不需要?