问题 rely on sb to do sth变为被动语态必须要有情态动词吗

...个章振邦《新编英语语法》上的一个例子：He can be relied on to help us.章教授认为：上句话中必须带有can 或 could, 否则不能转为被动态。▲关于这个问题，曹老师给出了详细的解答，现抄录如下：rely on someone/something to do something有两...

问题 There be...结构中的There一词的命名

...引导词”，不如索性就叫“标志词[符]”较贴切。例如“There be……”结构中的“There”一词如是。2. 虽然“……宾补从句，由于不是主要语言现象，因此语法上没有归纳为名词性从句”，我个人赞同把“宾补从句”列入“名词性...

文章 高中英语新课标词汇-教学参考资料-exchange

... exchange of prisoners during a war is unusual. 战时很少交换俘虏。There was a brief exchange of glances. 匆匆地互递了个眼色。当然，如果是不可数名词，则用单数。如：Several people were killed during the exchange of gunfire. 交火中有几个人丧生。The organi...

问题 A friend in need is a friend indeed的省略分析

a friend in need is a friend indeed请老师分析一下这个idiom， 或者把省略的部分补充完整。 因为我理解的意思是：需要帮助的朋友是真正的朋友，还有跟实际意思相反。

问题 why there are与why are there是什么区别

问题 than it did中的it did可以不要吗

In most countries the cost of crude oil now accounts for a smaller share of the price of petrol than it did in the 1970s.与70年代相比，现在大多数国家的原油成本占汽油价格的比例较小。请问句子中it did可以不要，而句子意思不变吗？从比较状语从句变成...

问题 as用法疑问

This system does not seem fair, at least as it appears on paper.老师好，请问这里as引导哪种状语从句？

问题 这个 such that应该如何理解

Some teachers are on duty.For at least two X such that X is a teacher，X is on duty.such that，这个that是代词吗？For at least two X such 这个是状语？

问题 分析句子成分：I know what to be in debt is.

I know what to be in debt is. 《赖氏经典英语语法》里说 what 是表语，to be in debt 是不定式作主语，可我完全看不出这句话怎么判断出的表语和主语，I 怎么就不是主语了？或者说这句话如何转换可以更容易理解些? 

问题 by which还是for which, on which,

Genes are the instructions ______ which parents’ characteristics are passed on to their children.  所给答案是 by，但为什么不是 for, on, in 等介词呢？

问题 宾语从句是否可以和谓语动词被逗号隔开

Because of the Great Lakes，they learned，Canada has more fresh water than any other country in the world.这里they learned 后面为什么用了逗号呢 ？那后面还算是宾语从句吗

问题 than的句子成分

... already seen numerous, dubious world title categories because people will not pay to see anything less than a “World Tide” fight, and this means that the title fights have to be held in different countries around the world!陈老师，您看看我分析的对不对，还有两处疑惑之处需...

问题 be to do

If i were to choose a job now, i would become a jouralist, an investigative journalist in particular.请问：此处表示对现在的虚拟，为什么用对将来虚拟的be to do?   (be to do 用于条件句都有哪些情况呢？)

问题 间接引语的用法

They forced my ten-year-old son to wear used toilet paper on his head,”complained a mother in Beijing on WeChat, a Chinese social-media site, in 2016. 请问老师 complained 为什么放在了mother的前面？

问题 to do定语、状语

We're too busy to spare anyone to help you right now.We force them to  take measures. Trust is expensive to  restore.1、请问老师，to help you是不是理解为定语、状语都可以呢？2、to take measures为什么不能立即为状语呢？3、请问to restore是做什么成分呢？