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问题 在主系表结构中主语是人时表语能用抽象名词吗

You have been a very real help to me.老师，当主语是人时，主系表结构中的表语不能是抽象名词，这句话为什么能？

问题 定语从句先行词的判断

Some tech pioneers promote a new compact with workers which holds that companies owe them neither loyalty nor job security.有些科技先锋企业提倡和员工达成一种新契约，认为公司既不需要提供归属感，也不需要提供工作保障。问题：请问定语从句中的which...

问题 一般过去时 vs 现在完成时 存疑

It's a good job. Did you do it all by yourself?  干的不错。都是你自己做的吗？请问老师这句为什么不能改为Have you done it all by yourself? 现在完成时：过去完成的动作与现在有着某种联系。夸他“干的不错”不就是他过去的动...

问题 前照应特指和不确定特指的关系

...里也是前照应特指和不确定特指的关系吗?the successful propagation of a batch of plants.一批植株的成功繁殖【the】在这里是前照应特指The instruments provide accurate measurement of atmospheric conditions.【measurement】 的零冠...

问题 涉及宾语从句时态要一致的问题

If Newton lived today, he would be surprised by what __D__ in science and technology. A. had discovered B. had been discovered C. has discovered D. has been discovered 这句算不算宾语从句时态要一致？如果算的话为什么不选B？什么样的宾语从句时...

问题 方面类状语和定语怎么分辨

(1)I saw a sudden fall in stock prices. But he has made money by buying stocks in two new airlines.(2)The development of guided round offers the potential for substantial reduction in ammunition expenditure.我总是分不清定语和涉及...方面这类状语的区别...如第一句中的“in sto...

问题 exchange...with还是exchange...to（人教版高中英语教材必修四）

After exchanging a few words( to / with )him, she left quickly.请问这两个介词选哪个？还是两者均可？

问题 which可以指代主句谓语，并在从句中作主语、宾语、表语？

如：He runs a mile each moring, which I don't like.       He plays music loudly each moring, which bothers me much.

问题 claimed to 后面加现在完成时？怎么理解这个句子的时态

He claimed to have made a discovery that was more important than the invention of gun powder, the printing press, and the steam engine put together!

问题 有support doing sth这种结构用法吗

Whether it's a World Health Organization the Paris climate accords the JCPOA the Iran nuclear deal, 70% percent supported rejoining agreements like that.1) accord, deal, agreement, convention, treaty 等都有协议，条约的意思，他们大致有什么区别呢？2) supported rejoining agre...

问题 bring 后的介词使用(bring sth ___ sb)

You'd better bring a bottle of water ________ you as you will climb the mountain tomorrow.这里的空格是填哪个介词合适?

问题 现在分词短语后置是做状语还是做定语

Many people think that ATC consists of a row of controllers sitting in front of their radar screens at the nation's airports, telling arriving and departing traffic what to do. 请问这句话中的telling分词短语是做状语（逻辑主语是ATC) 还是做定语（逻辑主语是controllers）...

问题 until和before 在这个句子里 都可以用吗

完整句子:After that I poured oil into a pan and turned off the stove. I waited patiently unless the oil was hot.这是一个改错题，答案是把 unless 改为 until或 till, 但是我想知道为啥这里不可以改成before呢？

问题 名词后的to do做什么成分。

...ial progress，是什么用法呢？是宾补吗？还有类似的句子：Not considering such information may lead to failure to complete the patrol route.That in turn could easily lead to attempts to bring the U.S. health care system closer to Eur...

问题 情态动词表推测

...的推测，I will be with you after you break up withthe boy.The moon may not be at that full tomorrow night.You will love the girl when you see her at tomorrow's date.The little girl might feel alone at home after the rest of her family go to Beijing tomorrow.