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问题 过去进行时和一般过去时对比含义

...nce in her life. While Herbert was walking fast to try to get to school on time, an elderly gentleman stopped her, and asked Herbert to tie his shoelaces for him. At first she was a bit hesitant but then she saw that the old man was unable to use his hands properly and had a walking stick. She reali...

问题 关于3个doing的语法分析

...的语法分析，soaring是宾补吧？taking是现在分词作families的定语，doing stuff 是现在分词feels的伴随状语吗？

问题 有It takes/took sb sometime doing sth 这种结构吗？

...) 现在完成时have even braved这里是表示到目前为止，在过去的一阶段，经常性的反复发生的动作或事件吗？    可否改成现在完成进行时have even been braving 呢？

问题 新概念3 Lesson 20 关于宾语 / 副词状语

...，请指教！ 1. He had travelled only seven miles across the Channel when his engine failed ....... 2. A week before, he had completed a successful overland flight during which he covered twenty-six miles. 3. His great flight lasted thirty-seven minutes. 以上3句话里，黑体部分动词...

问题 宾语从句中主语的省略

...各位老师，在这句中：“the party has worried”应该是跟宾语从句，然后是不是省略了that和主语the party?

问题 完全倒装时将地点介词短语放句首，主谓一致要遵循就近原则吗

比如想用这种倒装结构表达：在床的对面有一张桌子和两把椅子。下面哪句是对的？Opposite the bed is a table and two chairs.Opposite the bed are a desk and two chairs.

问题 changes by less than 中by的用法和例句

Gravitational waves—ripples in the geometry of space-time—are analogous to electromagnetic waves. The challenge in trying to observe these waves directly is that they are extremely weak. To make waves large enough to be detectable, the most voilent events in the universe are required: supernova ...

问题 as作为连词表示“照...方式”时的用法

...词in？介词 +which等于that。介词+which中的介词应该是根据定语从句中不及物动词搭配的介词决定的。如果是及物动词就用that。疑问2：They did as I had asked不全的话：They did as I had asked they had done.那么省略的话应该是They did as I had asked...

问题 SVOA句型能否出现形式宾语it

...话：在夸克大全 18.35 Extraposition of a clausal object中写道：When the object is an -ing clause in SVOC and SVOA clause types, it can undergo extraposition; when it is a to-infinitive clause or a that-clause, it must do so我的疑问：只见过SVOC句型有形式宾语it的情况，没...

问题 We know who had it built-句子问题

We know exactly when it was built-construction started in 2547 B.C.E.-about 4,500 years ago.We know who had it built,that was the Pharaoh Khufu,and we know who oversaw its construction: the Pharaoh's brother. 想问下had it built这里可以had built it吗？这里的built是不是过去分词...

问题 逗号前的句子结构不完整

...老实说，我忘了。 这个句子感觉有点奇怪，因为逗号前的句子结构好像不完整——它只有主语和系动词，没有表语。当然，我们也可以这样来理解：逗号后面的句子其实就是表语。但问题是：系动词和表语可以像这样用...

问题 关于倍数以及百分比的理解与翻译问题（续）

The output of cotton was 400% (=4 times) greater than in 1973. 大三倍，是四倍The output of cotton in 1979 was five times greater than that in 1973. 大四倍，是五倍There was a 400% increase in the output of cotton between 1973 and 1979.这句话表示纯粹的增长，大四倍，是五...

问题 than is necessary 与 than are necessary

...：主语是复数时后面的 than appears 为什么用单数动词（than从句省略主语）？并引用《剑桥语法》p.1110 的一句： The difficulties are even greater than appears at first sight. https://www.cpsenglish.com/question/55749 本网站的几位顶尖的大师对此作了...

问题 being可否省略

The rate of heat production depends also in the power being used in the heating element, this power being measured in watts.第一个being是做定语，第二个being是独立分词结构。这两个being都可以省略吗？省略后意思是不是也会随之变化，没有了同时的意思。

问题 关于believe的用法

请问老师，如果想表达“请相信我.......”这个句型的话，可以用Please believe in me that......这个表达吗? 比如Please believe in me that I will succeed.