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问题 半助动词和系动词

比如：appear to be/to be doing/to have done和appear to do，前面的appear是系动词嘛？apper to do这里是半助动词还是系动词？如何区分半助动词和系动词呢？比如 be going to/be about to do等这些都是助动词，都是接to 的不定式，为什么这些不能接...

问题 What appear to be large windows中to be部分作句子的什么成分

What appear to be large windows in the second storey are glass heat collector.请问to be large windows 是句子的什么成分?  这句式有点不理解,为什么用to be?

问题 be going to go和be going to come有错吗

老师在讲评书面表达时说，英语一般不说 going to go和going to come。为什么 go, come 在这个句式是例外呢？既然“一般”不说，那说明“特殊”时可说，对吗？那什么时候可说呢？

问题 “to+a/the+名词”表示极限程度的用法

在一本书上看到：1. “to +a +名词”（用不定冠词）可以表示极限程度，比如 to a man, to a hair, to a fault 等。2. “to+the+名词”（用定冠词）也可以表示极限程度，比如 to the bone。但是书上举得例子很少，而且也没说为什么，希望得...

问题 in addition to…可以作定语吗

Volkswagen announced on Thursday that it planned to introduce to the Chinese market 25 models of electric cars between 2020 and 2025, in addition to the 15 electric models it already had planned to bring to the country by 2020.请问这里的in addition to …是作前面数字25的定语吗？还...

问题 短语explain sth to sb(向某人解释某事)中to sb可以理解为对象状语吗

短语explain sth to sb(向某人解释某事)中to sb可以理解为对象状语吗？但是查了很多资料并没有对象状语的知识啊，请问to sb是作什么状语呢？

问题 It's time to get up中的不定式to get up是什么成分

It's time to get up中的不定式to get up是什么成分？这个to get up是time的定语还是补语？解释为是起床的时间了还是解释为是时间去起床了？或者还是to get up做句子的真正主语后置。

问题 way to doing sth对吗（2014江西高考a way to achieving用法商榷）

Starting your own business could be a way to achieving financial independence. On the other hand, it could just put you in debt.这是2014年江西高考题中的一个句子。有人认为 a way to achieving 用错了，应该改为 a way to achieve 或 a way of achieving。我查了很多资料，...

问题 have something to do with和have to do with有何区别

请问：have something to do with 和 have to do with 有没有区别？

问题 with sth to do 和 with sth to be done 有区别吗

请问有 with sth to do 和with sth to be done 有区别吗？

问题 be sorry to do 与 be sorry to have done

We were sorry to miss your concert.后悔错过你的演唱会。这是朗文词典中的原句，请问这里为什么不用to have missed，难道是为了简化用一般式代替完成式吗？

问题 不定式to do表示过去吗

A number of officials followed the emperor, some to hold his robe, others to adjust his girdle, and so on. (AEG2）许多官员尾随皇帝之后，有的拎着皇帝的衣袍，有的则给他整腰带等。以上是不定式to do 的独立结构,句中，some和others分别是2个不定式的逻...

问题 introduce sb to sth 还是 introduce sth to sb

This informative walk led by Richard Smyth introduces you to the basic principles of photography in the wild. Bring along your camera and enjoy the wonderful views along this well-surfaced forest path.上面一句摘自2024新课标2卷阅读A。这里的句式属于 introduce sb to sth（把某人...

问题 句子成分:He made it his crusade to teach children to love books.

EG. He made it his crusade to teach children to love books. 1. his crusade to teach children to love books. 这边是一个从句吗？是不是名词性从句中的宾语从句，用前面的It指代了整个句子？ 2. 为什么his crusade前不需要连接词可以直接跟随it呀？

问题 have an eye to doing和pay attention to doing的区别

have an eye to doing sth 和 pay attention to doing sth 的区别是什么？它们在意思上好像差不多吧！