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问题 例句中为什么使用进行时

...t giving much milke these days.2. The crews of two boats are getting ready to sail off the harbour.请问这2个例句中的进行时是什么作用，第一句已经交代了these days，为什么还有进行时？ 而第二句“变得”这个词怎么也可以进行？

问题 请问when引导的是定语从句还是时间状语从句？

It evolved out of Renaissance architecture in Italy,when the Renaissance architects bagan to get bored of symmetry and same old forms they had been using for the past 200 years.

问题 against 和 on/upon 这里可互换吗

He sat down beside Christina, propping his feet up on the railing, feeling the warmth of the sun against his face, able to relax for the first time in days.句中，against可否换成on/upon, 二者使用在本句中，含义究竟有何差别？

问题 定语从句问题：demonstrate后面能跟定语从句吗

Numerical simulations are performed to demonstrate that the proposed scheme can guarantee the stability of closed-loop systems.我在demonstrate后面加一个定语从句来描述，不知道是否可以。中文意思：应用仿真来证明了提出的控制方案能够保证闭环系统的稳定...

问题 signed proposal（signed是形容词还是过去分词）

Give the signed proposal to Mr Zhou.这是高中英语新教材译林版必修1第1单元的两个句子(p8)。这里的 signed 是过去分词吗？还是形容词？我在词典上没有查到它，说明它还不是形容词吧。

问题 cook, cook rice, cook meal(做饭)的有区别

cook，cook rice，cook meal 表示“做饭”意思时，有区别吗?1.Tonight it's my turn to cook.2.I'll cook and you read the paper.

问题 may not be providing表达什么意思

May not be providing表达什么意思？是什么时态。so have them是什么结构？ It seems schools may not be providing an opportunity for children to re-express their ideas and so have them tested and refined by teachers and their peers.

问题 what-从句作主语时的主谓一致问题

“What may seem like small messages at the moment add up to big ones over time,” says an expert.请问老师：这里是what引导的主语从句What may seem like small messages at the moment，后面却用动词原形是不是不对？要改为adds吗?

问题 as part of an exchange of duties and entitlements析

分析：as part of an exchange of duties and entitlementsSome philosophers argue that rights exist only within a social contract，as part of an exchange of duties and entitlements.请问：as part of an exchange of duties and entitlements 做什么成分的，修饰什么的，谢谢？有几种...

问题 why you should be...这里的should是“推定式”用法吗？

It must have been bad for the furniture, but I suppose the hostess took her revenge on the furniture of her friends when, in turn, she visited them. Some of them were dressed fashionably, and they said they couldn't for the life of them see why you should be dowdy just because you had written a ...

问题 类似notify sb of sth的短语有哪些

看到一本书说：只可以说 notify sb of sth，不可以说 notify sth to sb, inform sb of sth, warn sb of sth。我想问这种用 of 引出对象的动词还有哪些？这里 of 的含义是什么？

问题 一个句子中可以有两个不需要连接词连接的句子吗

刚才在词典上看到一句话，Are you so tired you don't have the energy to engage with your kids? 在这里tired的后面不用加that也可以吗

问题 as never before中的as是作什么成分

We customize the news we consume and the political beliefs we're exposed to as never before.as never before中的as是什么词性？as never before “从所未有过的”是作状语吗？

问题 嵌入式定语从句（Which I doubt whether will）

The stock price has risen to 90 yuan,  which I doubt whether will remain so. 请判断这句话的正确性。

问题 Such as/like后可以只加一个名词吗

Sustainable land management practices, such as/like tillage, has the potential to improve soil characteristics.请问老师，这里我使用such as/like 后只加一个名词，可以吗?