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问题 ​Go back three steps.的语法分析

Go back three steps.这里 three steps 是作什么成分？go back 相当于是不及物动词词组。要加名词不应该加to吗？

问题 关于介词加动词的使用

Colleges also provide them exposure to a diversity of groups，which helps in increased cultural awareness.  老师，increased cultural awareness是个名词词组，与in 构成介词短语。 但是helps in后面的increased可以改成increasing吗，做动名词？ 为什么increase...

问题 以名词性分句作主语的主谓一致问题

What he thought and did at home(has,have)nothing to do with this problem. 答案:has/have 为什么has和have都可以使用?

问题 非谓语动词的逻辑主语的判断

But now, we can even gain new knowledge in WeChat study groups, covering everything from photography to English.上面这句话是否正确？这种逗号分隔开的非谓语动词的逻辑主语不应该是整句话的主语we吗？

问题 when引导时间状语修饰主句的哪个动词

He sent them out to ask for help when in trouble.这里的 when 从句是修饰 ask 还是 sent 呢？感觉离 ask 更近，应该是修饰 ask 嘛？

问题 would have been是否表示虚拟

Spooked, governments are rushing to impose controls that would have been unimaginable only a few weeks ago.这句话中的would have been是虚拟吗？表达了什么意思呢？谢谢老师解答！

问题 这个witness为什么不用冠词或复数

见到这样一个句子：Police have appealed for witness to come forward. 警方呼吁目击者挺身而出。请问这个句子中的 witness 前为什么不用冠词？或者将 witness 用复数？

问题 英语复杂长句that从句分析

Shares in Allergan, a pharmaceutical firm with headquarters in Dublin, fell by 15% in response to suspicion that tax-avoidance legislation would scupper its planned $160 billion merger with Pfizer, an American drugmaker. 请问：that 引导的是什么从句？

问题 为什么是选 Spanish

You should polish up your _______ before you go to Chile.A. Chinese    B. Japanese    C. Russian     D. Spanish答案是D，为什么是选 Spanish 呢？

问题 more of a taboo是什么用法？

There seems to be more of a taboo about taking about money than about death.可以换成more than吗？

问题 of和从句连用时的疑问

请问老师： There was problem after problem to overcome, not least of which was that their store of Polyjuice Potion was greatly depleted.这句话结构是什么？后半句加粗部分是什么从句？句中of起什么作用？

问题 判断定语从句中的代词是否多余

I can finish it in two minutes, only I want to read that story book, which Tom told us it was so funny.该句有没有错误？it需要删去吗？

问题 情态动词can,should

Sometimes I am not as brave as I ___ be. So I'd rather keep silent to avoid hurting myself.A should  B may  C can  D must专家老师，我觉得这里至少AC（should,can ）都可以，您怎么看这道题呢？

问题 翻译：走到了不知什么地方

老师好：跑了不知多少次，张培基有:after making you don't know how many visits那么走到了不知什么地方可以说成：go to i don't know what a place，这里用what还是where呢？还有就是请问翻译考试用这个格式合适吗？

问题 过去分词作宾补的疑问

I saw a dog killed.I can't wait to see it finished.I'll get it done.过去分词作定语时表示在主句谓语发生时已完成，而过去分词作宾补时，动作是在主句谓语前完成还是之后完成要看句子的意思，请教老师这样理解对吗？