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问题 这里的Seem为什么是现在一般时态？

Sorry, I wasn't being insulting. I simply commented that you seem(这里) to have put on rather a lot of weight lately. In the 1980s and early 1990s, athletes entering international sports competitions seemed to be getting younger and younger. Talented young athletes, boys and girls, were spotted...

问题 expect,believe,think,suspect等用于否定或疑问句时后面必须用虚拟语气吗

...有用should+原型，即没有用虚拟语气：I don’t think he will come to my party. 我认为他不会来我的舞会.I don’t believe that man is killed by Jim,is he? 我认为那个人不是Jim所杀的, 是不是?

问题 省略的问题

Try knocking at the back door if nobody hear you at front door. 这里的if nobody hear you at front door 为何没加the 还有knock 省略了么 原句是不是这样的  if nobody hear you knocking at the front door

问题 几个长难句分析

...ere are no good theories explaining what consciousness actually is and how you could ever build a machine to get there. (2019考研英语一)请教曹老师：这里是there are no good theories explaining…动名词复合结构吗？

问题 句型be provided with困惑

...om his father, who had intended to purchase an estate, but did not live to do it. -- Mr. Bingley intended it likewise, and sometimes made choice of his county; but as he was now provided with a good house and the liberty of a manor, it was doubtful to many of those who best knew the easiness of his ...

问题 if 条件状语从句（真实条件句）

It could only get over the mountains if it rose to 10,000 feet. 请问，这是“if 条件状语从句（真实条件句）的假设过去”吗？ 那“主句”为什么不用“过去将来时would do”呢？

问题 定语介词的选择

老师们好！Their methods do not attempt to estimate the actual biomass (the amount of living biological matter) of fish species in particular parts of the ocean, but rather changes in that biomass over time.句中的changes in that biomass为什么选择in做changes的定语介词呀，谢谢老...

问题 用 it 还是 them

They should clean the room and wash the clothes，because when they get older，they will have to do it. 这个句子最后一个单词it要改成them嘛，clean the room and wash the clothes.是两件事还是一件事？

问题 有关章振邦《新编英语语法教程》的问题

...些使用语境可能会是什么语境下才能成立。比如说，Have you jotted down the questions to be answered 《the questions to be answered》为什么是前照应特指？我想请曹老师说说语境与the的关系这些例句中的语境

问题 主动表被动时动词的词性问题

Whether you are right remains to be seen.我查了一下牛津词典，是不及物动词，那怎么解释to be seen是什么成分呢？而柯林斯说这里是系动词？该怎么理解呢？我又查了一下needThe house needs to be cleaned.这里的need在牛津中压根没有写是什么动...

问题 句子结构分析

one argument that you tend to hear a lot from the pro-tipping crowd seems logical enough: 请问是“one argument is seems logical enough”还是“a lot from ...is seems logical enough”这个句子that引导的定从到底在哪里结束啊？

问题 虚拟语气的问题

If you had died, the only person that would have been to blame is yourself.请问这句话的虚拟语气是什么情况，为什么would have done用在了定语从句中，而不是主句的谓语动词上？？这样也是可以的吗？

问题 不定式短语做定语疑惑

请问老师：不定式短语是做定语修饰前面的名词time吗？I don't have time to prepare a lunch for you.

问题 make a mistake后接动词用什么形式

make a mistake 后接动词时，是用 doing sth？还是 in doing sth? 还是 of doing sth？

问题 关于定语从句省略引导词

...时，定语从句前面是否需要引导词？比如：by the time I see you 是否应该是by the time that I see you？ 完整的句子是：I'll have learned English for two years by the time I see you.刚开始看到这个句子，老感觉后面I see you不该用动词原型，觉得语法...