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问题 副词在主系表句子中修饰是be还是修饰系表结构

请问老师：副词在主系表句子中修饰是be(am ,are ,is..),还是系表结构？比如：I am only in Bengjing.He is really a man.He really is a man.几个句子都对吗，副词在主系表中，修饰是 be 动词，还是系表结构，还是修饰表语的形容词，名词，介词...

问题 I am said to be changble中的形容词前面为什么要用to be形式

遇到一些句子，动词+宾语+形容词，为什么形容词前面要加to be不定式。例如：I am said to be changablesee them to be natural

问题 careers作定语为什么用复数

看到有这样两个表达：careers service 就业服务a careers adviser 就业顾问请问这里为什么用复数名词作定语呢？可以改为单数吗？

问题 to do 还是 doing

老师们好，麻烦有时间时帮我看看下面几个句子:It's impolite to speak when you're eating.It was considerate of you to whisper it to me in public.It is quite necessary to react quickly to any emergency.这几句话为什么用 to speak?to reactto whisper？为什么不用ing形式？...

问题 关于would have done形式是虚拟语气还是情态动词推测性用法的讨论

...态动词，即should, would, could, might. 例如：His suitcase was not there. He might have left. (不可以用may have left)It was 2 o'clock. She should be having a meeting.She would come the next day, he guess.问题一：请问这是的he guess，为什么不是he guessed，因为说话人...

问题 请教如何解析这个句子

Sam told his friends everything there was to tell about Eerie Elementary.上面句子主干结构我分析是Sam told his friends everything about Eerie Elementary，但我不明白原句中there was to tell文字在句中的的语法作用。请教老师如何解析这个句子。谢谢！

问题 这里为什么要理解为动名词复合结构而不理解为分词做后置定语？有没有什么方法准确区别二者？

Global warming is a hot topic around the world at this time. But there is also a dissention about the evidence being presented(就是这里) to support the argument. The earth is known to go through cycles;the past has never produced an age of so much so much industrialization causing(就是这里) ...

问题 there's something off about someone

There's something off about someone.某人不对劲查了词典发现off没有相关的意思解释不通，请问这句话中off在吗理解？

问题 look to be 与 look being 的用法疑问

前面有个问题是关于 look like 中有无 like 的区别。另一个相关的问题也不好区分，那就是系动词 look 后面接 being 与 to be 的区别。比较：He looks being very strong.He looks to be very strong.哪句对？或都对？有依据吗？谢谢！

问题 of/about可以换用吗？

There is the possibility of what is said of him being false.我是这样划分成分分析的：(what is said of him) being false 整个作介词possibility  of 的宾语，按照字面意思翻译：人们所说的关于他的情况的错误的可能性存在的。但是不知道究竟怎么...

问题 复合谓语的问题

(1)老师，张道真老师语法书里说You ought to be prepared for the worst中ought to be prepared是谓语，可是赵俊英老师语法书里说The work is liable to be delayed until next year中is liable to be是谓语，为什么都是to be，前面一个包括prepared，后面一个却不...

问题 长难句中it的用法

What it does mean it that the book business will go through a transformation in the next decade or so more profound than any it has seen since Gutenberg introduced printing from moveable type in the 1450s.老师好，请问一下这句子加粗部分中的it应该怎样理解？我的理解是“it ...

问题 非限定性定语从句

It is exhilarating, but it is nearly impossible to explain to outsiders how the pieces fit together, which they often don't in any coherent way. 请老师分析一下这个句子,which 指代什么?

问题 be fixed on,be fixed in, be fixed to的区别

我在不同场合分别看到be fixed on,be fixed in和be fixed to三种用法，但没有查到具体使用规则，请教老师。

问题 it seems to be 改写完成时,是变seem部分,还是to be部分?

我有点搞不清如果before段是过去时,seem部分是该用什么时态？假如前半句我用完成时态,那应该变seem部分还是变to be部分?It have seemd to be a long time before the food came?还是It seems to have been a long time before the food came?