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问题 need用作情态动词可用于肯定句吗

Good went on to suggest that “the first ultra-intelligent machine” could be “the last invention that man need ever make.”句子出自2020年高考英语北京卷的阅读理解D。请问句中need是情态动词吧，它为什么用于肯定句呢？need用作情态动词不是要用于否...

问题 snowy的用法疑问

...me!W: How was that?M: Uh, it started out warm and sunny, but when I went into the mountains and climbed higher, it started snowy. Then, when I came back, a strong warm wind began to blow. 不太明白这里的 snowy 是什么用法？形容词作状语？

问题 interest在这个句子里为什么用单数

Experience tell us that individuals and private corporations tend to act in their own short-term economic and political interest,最后一个词interest,在这句话里应该是利益的意思吧，怎么不加s，当利益讲不是可数吗？难不成是兴趣的意思，我觉得不太合理啊

问题 比较两个过去分词作定语的句子差异

...异。请教老师赐教，十分感谢！1. The turkey, having been burnt to a crisp, was thrown in the garbage.2. My sister, having been exhausted after a long day’s work, fell asleep on the sofa.

问题 at least位于句首需要倒装吗

To my understanding, at least two reasons can account for this phenomenon.这个句子这么写有错误吗？如果正确，那么at least在句首后面为什么不倒装，看到语法上写的是形容词、副词、介词短语位于句首时，句子可以全部倒装。这个意思是倒装...

问题 这里的for sending...是表示目的还是用途

You can use a computer for sending and receiving e-mails.这是书上的句子。如果改成不定式You can use a computer to send and receive e-mails.  - 这是表示目的。请教老师: 书上的句子for sending...是表示目的还是用途？我认为不是表目的，而是表用途。

问题 一般将来时态代替过去将来时态

She would come to see you off as you would be leaving home.你离开家时，她将来为你送行。问：不是时间状语从句要用一般现在时代替一般将来时，用一般过去时代替过去将来时 , 可是这里为什么用了过去将来进行时而没用一般过去时态代替...

问题 ones是本身就可以指人们还是前文people的替代啊

It means people can give away their hair to sick ones.这句话里的ones是本身就可以泛指人们，还是前面people的替代啊?

问题 a…or two 作主语时谓语动词用单数还是复数

请问一下，a…or two 作主语时谓语动词用单数还是复数？比如：A scandal or two add / adds a little spice to office life. 

问题 分不清这个it是形式宾语还是形式主语

下面这个句子有点奇怪： He tried to make it appear that she had committed suicide. 他设法让她看上去像是自杀。 疑问一：这个 it 是形式宾语吗？后面的 that 从句是真正的宾语？ 疑问二：这个it 是形式主语吗？后面的 that 从句是真正...

问题 impressed,surprised是看成过去分词还是形容词

He was impressed by Marco.Marco was surprised to see people using paper money. impressed 看成是动词的过去分词还是形容词，surprised 看成是动词的过去分词还是形容词？有何区别？如何区分？是否只是看词典上这些词有无形容词用法就行？

问题 than后面用不定式还是动名词

than 后面用不定式还是动名词？Nothing is more unpleasant than                insects in your bath. A. finding           B. to find

问题 这句话中的boil该如何理解呢？

... boils in chaotic uncertainty, Arcturus Mengsk has seized this opportunity to bolster his Dominion forces.当虫族正处在混乱的不确定性时，Arcturus Mengsk抓住了这个机会来巩固它的防御力量这句话中的boil感觉不是煮、也不是生气的意思，那么是什么意思...

问题 这句话中的boil该如何理解呢？

... boils in chaotic uncertainty, Arcturus Mengsk has seized this opportunity to bolster his Dominion forces.当虫族正处在混乱的不确定性时，Arcturus Mengsk抓住了这个机会来巩固它的防御力量这句话中的boil感觉不是煮、也不是生气的意思，那么是什么意思...

问题 难句分析（涉及句子的平行结构问题）

When it comes to like a family and a gene perspective, it's possible that within your family there might be multiple men who end up at a later age dealing with blood pressure issues, but also deal with either a heart murmur or heart arrhythmia.划线部分是什么句法关系？谢谢老师的...