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问题 划分句子成分

...ay may be to run a lawnmower.中的may be划分为系动词。2.Few things are more depressing than estimates of how much time people spend on a specific activity over the course of their lives.estimates在这里是than从句的主语吗？但是than引导的状语从句主语可以和主句不一...

问题 go on doing sth 结构分析（doing是动名词还是现在分词）

He went on staring at the TV screen. 他继续盯着电视屏幕看。He went on talking about his accident. 他继续谈他出事的情形。He went on studying deep into the night. 他读书一直读到深夜。Tired as he was, he went on working. 虽然他累了，他还是继续工作。两个...

问题 用作结果状语的现在分词前可以用破折号吗

He had no children and was killed in an accident—leaving everything to his wife. 句子中的现在分词短语leaving everything to his wife 是结果状语吧！请问：前面为什么不用逗号，而用的是破折号呢？换句话说：用作结果状语的现在分词前可以用破折号...

问题 look forward to可以用于不好的事吗

...不好的东西，但是下面这句怎么理解？用得妥吗？He did not look forward to being in debt because his restaurant was no longer popular.句子来源：高中英语人教版必修三第二单元（Unit 2）。

问题 as只引导定语从句，状语从句，引导词的意思一样吗

as is shown in the picture ,there is a cobweb-like structure with separate compartments packed in it.（as=后面的句子？还有什么词或词组像它这样的用法？）Taiwan is, as you know, an inseparable part of China.(as＝Taiwan is an inseparable part of China.)是吗？as you know是...

问题 作评注性状语的 most frequent 与 most frequently

...the dominant response. Most frequently, the groups reported that they “shared arguments and reasoned together.” Somehow, these arguments and reasoning resulted in a global reduction in error. Although the studies led by Navajas have limitations and many questions remain the potential implication...

问题 为何这里 need 后面要加 to be 呢

A: My boss told me I couldn't take any time off to go on holiday this year.B: That's crazy! Did he say why?A:He said that the company is doing well so they need to be fully-staffed at all times.老师：您好！我不明白为何这里 need 后面要加“to be”呢？谢谢。

问题 argument有没有变元的意思？

Equivalent to x**y (with two arguments) or x**y % z (with three arguments)Some types, such as ints, are able to use a more efficient algorithm wheninvoked using the three argument form.来源;计算机文档

问题 请问：than expected是从句吗

There were more candidates than expected.请问：than expected 是从句吗？

问题 一个句子两种语态

不知道是不是我在挑刺，看到一句话：My employer will confirm that I was there on time.怎么这句话两个语态呢？

问题 定语从句关系副词的用法

We were transported to where there were many people.这个句子里where应该是关系副词吧？那为什么where前面可以加to呢

问题 关于to疑惑

Is there an adaptive value to limited intelligence?请问一下这里的to是介词吗，to limited intelligence 这里介词短语修饰value，我看答案给的翻译是：有限的智力是否具有适应性价值呢？请老师解答一下疑惑？ 

问题 一个复杂句子结构的分析（涉及and where）

Don't forget what to do and where to go you have promised yourself, no matter how difficult or far it is.疑问：1. 为什么用 and 连接啊 where 本身不就是连词么？ 没看懂结构？2. you have promised yourself不应该是在两个 to do 和 to go 前面的么？为什么拿到后...

问题 一般疑问句还是选择疑问句的判断

...o you have watches or boxes?—_______.A. Boxes   B.Yes,I do   C.No,I do   D.Watches如果是一般疑问句答案就是B,如果是选择疑问句答案就是D.对此有不同的理解。没有前后文的情况下，这个到底应该哪个是对的呢？

问题 是动名词复合结构还是独立主格结构（请曹老师解答）

In terms of attitudes to creativity there seems to be a reversal of priorities: young westerners making their boldest departures first and then gradually mastering the tradition; and young Chinese being almost inseparable from the tradition, but over time, possibly evolving to a point equally origin...