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问题 主句与宾语从句分别用一般过去时和现在完成时的区别

请问以下的句子何者正确？(1) I have heard that Ken went abroad.(2) I heard that Ken has gone abroad.

问题 句子结构分析

The teacher scaffolds the linguistic content, i.e.  helps learners say what it is they want to say by building a complete utterance together with the students. 老师好！这里的say what it is they want to say怎么分析结构？it is是多余的吗？

问题 关于固定搭配的问题

...搭配的？不知道这样理解对不对，比如说 I was standing on the ladder.这里的on the ladder是状语，那么说stand on the ladder不是动补关系？可是stand on又是固定搭配的关系，所以迷惑了，恳请老师指点这中间的内在实质，十分感谢！

问题 时间状语从句省略了主语的问题

...ic trace elements from the coalbed is an important factor to be considered when evaluating CO2 sequestration in deep unmineable coal seams.这个句子中when的后面直接接evaluating 而没有主语，时间转语从句也是句子啊，不应该有主语吗

问题 having opened 是什么时态

...s the oldest system, having opened in 1863. It is also the largest system, with 394 kilometres of route.The Los Angeles network is the newest, having opened in 2001, while the Kyoto network is the smallest and serves only 45 million passengers per year.这个句子是出自，雅思考官simon范文...

问题 求最后一句话怎么翻译

The Kazakhstani legislation requires that the mandatory rules of the laws of Kazakhstan apply, irrespective, of the choice of law. Therefore, foreign law will not be applied where its application contradicts public policy, in which case the law of Kazakhstan shall apply. Other than that, there are n...

问题 请教一个让步的理解问题

...nd water absorption through the skin.(备注：thigmothermy: heat exchange with substrates such as rock or earth)请问这里的为什么要用让步，我不太明白这里为什么要用although，它在这个句子里是一种怎样的英语逻辑？

问题 be + adj + of + 名词的用法困惑

...xtra sounds created by an absence of lip, tongue, jaw, and throat movement.They are a principal function of intonation and are truly indicative of the American sound.结构：be + indicative(adj) + of + 名词He has lived in Beijing all his life - Indicate a period inclusive of the present, from whi...

问题 非限制性定语从句中which指代前面的事情

...请看下面我写的两个句子是否有问题？Nowadays, an increasing number of people are learning online, which has both advantages and disadvantages.这个句子想表达在网上学习这件事有好有坏（而不是越来越多的人采用这种方式有好有坏），那么which指代的...

问题 间接引语时态问题

“Try once more and see what will happen,”the teacher said.改为间接引语是：The teacher advised that I should try once more and see what would happen.直接引语为一般现在时,间接引语为一般过去时，又因为谓语动词词组有情态动词should，所以try和see用原型...

问题 关于when提问的回答

...样一道题：原文内容：Gemini（双子座） May 21-June 21问题：When are Geminis born?______________________________________练习题的答案给的是On May 21-June 21，我觉得如果是一个范围那么用on应该不太合适，在网上查了一下答案，有的答案是：May 21-J...

问题 关于词汇in which的疑问

...的解释是什么成分。a play or a film/movie in which part or all of the story is told using songs and often dancing.这里a play in which part of the story中的in which是定语从句吗？which代替哪个先行词呢？还是in which作为介词短语后置定语。但是如果作后置定...

问题 know what to do与know what doing

请问老师，同样都是非谓语，下面例句为什么只能用 to do 不能用 doing呢？其中的道理是什么？I do not know what to do next.I do not know what doing next.

问题 关于年龄表达的继续讨论

...论：之前您回答过一个问题,关于年龄的表达的结构分析I （主语）am （系动词）five years（old 的程度状语） old（表语）. 此时的中心词是old 名词词组做状语修饰old.今天突然想到一个问题  如果改为 I am under 13 years old.   ...

问题 回答时用现在完成时还是一般现在时

（1）-What gift do you plan to give your mother for her birthday? -Oh I have forgotten all about it.（2）-Can you pour me some tea please Jenny ? -Are you sure? I thought you preferred coffee.回答时到底使用，现在完成时还是一般现在时，有何区别？