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问题 不定式完成式被动语态和非谓语动词的过去分词的区别（向曾克辉老师请教）

...过去分词都表示已经被做，两者有什么区别?His machine is the first of its kind to have been used here.这里使用的这类机器中，这是第一台。The meeting held yesterday is of great importance.昨天召开的会议很重要。

问题 现在完成时态在表示‘从过去一直持续到现在的动作’时的疑问

（高三）一You look tired. What's the matter?一I _____ on a sofa because my grandparents have been here to spend the weekend. I can't have a good sleep.A. slept    B. am sleeping    C. was sleeping    D. have slept ...

问题 such as 在此句中的用法

The commission argued that other agencies would protect against anti-competitive behavior, such as a broadband-providing conglomerate like AT&T favoring its own video-streaming service at the expense of Netflix and Apple TV. 我可以理解 such as 之后接名词例如 I know four languages, su...

问题 as在knowing as how we knows he did it句中的用法

...在阅读《哈利波特与火焰杯》时读到一个句子：he killed them, and I don’t care what the police say,” said Dot in the Hanged Man. “And if he had any decency, he’d leave here, knowing as how we knows he did it.”请问这个句子中的“ knowing as how we knows he did ...

问题 something指特定的某事物，anything泛指任何事物？

The period between learning a nursery rhyme and transmitting it may be something from 20 to 70 years.这句话出自2009年专八改错题。答案是“把 something 改成 anything”，即：The period between learning a nursery rhyme and transmitting it may be anything from 20 to 70 ye...

问题 He shook his head sadly.和He shook his head,sad.的区别

...”这个语法点自己改写的。当然还能有很多例句，比如：The plane arrived safely和The plane arrived, safe. 等等。一直弄不清这两种表达形式有何不同呢？

问题 为什么开头用But if?第三小句为什么直接to be unleashed,是进一步解释说明吗?

But if people instead regard these excess savings as delayed income, then the cash hoard represents stimulus that has not yet gone to work, to be unleashed when the economy fully reopens.

问题 冒号后面的句子结构分析

原句：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 equa...

问题 in case 引导目的状语从句中的可以使用动词原形吗？

...例如：Doctors and nurses remained above ground while police patrolled the streets in case anyone tried to leave the shelters too soon.那么在这句中，tried to 可以换成should try to 或者 动词原形try to吗 ？？？ 为什么？

问题 既然“wish”表示很难实现的愿望，为什么祝福时常用“wish”不用“hope”

...如：I wish you a happy New Year!I wish you a happy birthday!I wish you the best of luck in the New Year.如果wish表示这个祝愿实现的可能性很小或者几乎不可能实现，这不是中文所说的“阴阳怪气”吗？

问题 有序数词修饰的名词需要非谓语做定语时，用to do/to be done还是doing/done

我记得有个知识点时名词前有序数词修饰，后面用不定式做定语。He is the first man to come and last to leave.  而 Some of the poetry written in English is nurery rhymes. 这句话里为什么不用to be written做定语呢？求教 谢谢

问题 宾语从句与插入语

The other day, my brother drove his car down the street at ______ I thought was a dangerous speed.A. as B. which C. what D. thatB，C两项比较疑惑。如果选B的错误点是不是在于：at+which相当于副词，功能为状语，I thought was a dangerous speed缺主语，而状语无法充...

问题 是否所有的“主语补足语”都可以改写为“宾语补足语”呢

...upposed...＋that...？如：Mr. Brownis said to have finished translating the French book two years ago.为什么不能改写为“sb say/said Mr. Brown to have finished translating the French book two years ago.”？（暂且忽略 be said to do 表示“据说”的固定用法讨论）

问题 过去将来完成时与虚拟语气的区别

专家请看以下句子（摘自考研英语某篇文章）：In the early days, too, longlines would have been more saturated with fish. Some individuals would therefore not have been caught, since no baited hooks would have been available to trap them, leading to an underestimate of fish stocks i...

问题 of to do sth作同位语和 to do sth作同位语有什么区别

...6.名词problem，question等 + of + 疑问句 + 动词不定式。如： The question of when to leave never came up. 从没提起过何时离开的问题。 She considered the problem of whether to stay or not. 她考虑是去还是留的问题.我觉得不定式作同位语不用of也可以...