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问题 what两种不同用法的区别与理解

...句 1 中的 what 是缩合连接代词（复合关系代词）相当于 the things which。 例句 2 中的 what 是连接代词，在从句中做宾语。 两个 what 都在从句中做句子成分，都作为引导引导词引导从句，两个句子都是宾语从句，为什么词性会不...

问题 another day用作名词与用作副词

The dentist suggested that she (should) come another day. 牙医建议她改天再来。You can’t go there today. You can go another day. 你今天不能去那儿，你可以改日再去。Tell them I am not very well. I will go and see them another day. 告诉他们我不大舒服。过几天我...

问题 can’t be与can’t have been的区别

The baby had a feed an hour ago, so she can’t ______ hungry.A. be       B. have been答案是 A。但为什么不能选 B 呢？

问题 同位语还是非限制性定语(2016高考英语全国卷I)

Come early to the talk at 7.30pm by Jules Skye, a successful record producer.上面的句子出自2016高考英语全国卷I的阅读理解A。请问句中的 a successful record producer 是同位语还是定语？如何区分它是定语还是同位语？谢谢！

问题 mean for sb to do sth句式分析

...or John to mail those letters? 你的意思是让约翰去寄那些信吗? They didn’t mean for her to read the letter. 他们并未打算让她看那封信。请问：这些句子中的 mean 是及物动词还是不及物动词？谢谢！

问题 make表被动还原+to与make+adj做补语的差别

The decision has been made ___to them.A, to knowB, known选择B。请问为什么不是be made to be known to them，使役动词make的被动还原不是应该加to吗？有解释说这里的known是adj做补语，不是很明白这个解释。

问题 when引导时间状语从句(when充当句子成分吗)

...当了成分。那么when，while引导的状语从句呢？如： When the teacher came in, we were talking. when在此句中充当成分吗，充当什么成分?或者为啥就不充当成分了呢？这个书上表述是否有问题呢？

问题 since引导的一般过去时的从句，主句如何确定用现在完成还是过去完成？

The little girl had lain in bed for almost a month since she fell sick.这个句子主句为什么用had lain不用have lain 呢？

问题 run on 还是 run 的疑惑

请教专家老师：These were the so-called mainframe machines. Mainframe computers were very large indeed, often occupying whole air-conditioned rooms, employing full-time technicians and run on specially-written software.1）书上说这里的现在分词occupying，employing 和过去分词run...

问题 语法填空里什么时候用不定冠词和定冠词

语法填空习题里出现了这样一个空：These are called polymorphic. "polymorphic" means______ ability to take different forms. 答案给的是 the，请问此处为什么不能填 an。前文也并没有出现 ability。一般来说语法填空里填定冠词都是前文有出现同样词...

问题 复合句和并列句中一般疑问句时的语调

Must you worry her with questions, when she is busy? When she is busy, must you worry her with questions?一般疑问句一般用声调。像这样的复合句子中含有一般疑问句，声调应该放在哪个句子上？敬请专家老师指导。

问题 连接词that和关系代词what引导的主语从句的辨析

1. That I believe is right.2. What I believe is right.这两句话都可以这么说吧。感觉两句话意思是一样的，不知道它们有什么区别，或是分别强调什么？句1我相信是对的，强调的是动作或是事情，句2我相信的东西是对的，强调的是....的东...

问题 在be后面的where从句是地点状语从句还是表语从句

City Theatre is where formal and art-related events take place.这句句子是where引导的让我感觉是地点状语从句，但又是在系动词is后面的，又觉得是表语从句，还觉得是修饰City Theatre的定语从句.......总之这句句子的结构搞不太清楚。

问题 比较级结构的分析(涉及倍数)

Asia is four times as large as Europe．亚洲的面积是欧洲的四倍. 老师这句话粗分时是不是可以把four times as large as Europe.看作表语部分，如果在细分时，表语部分中 four times 修饰as large as Europe.而as引导比较状语省略. This hall is five ...

问题 时态问题

Three world leaders have now downplayed Covid-19 and ended up catching it.请问这个catch为什么要用ing时态？