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问题 表语从句的引导词充当什么成分

1. how, how many, how much, how long, how far等引导表语从句充当什么成分，什么含义，能不能省略，各举两个例子说明。2. when, where, why引导的表语从句，它们在从句中的含义，充当什么成分，能不能省略，还有例句?

问题 为什么介词可以直接接动词原型

Under these conditions, it made good sense to thousands of peasant families to in effect work full-time at what they had been able to do only part-time previously because of the requirement to work for the government: grow rice for the marketplace.请教一下各位老师，这句话里的what既然...

问题 句子分析

Few people ask by what authority the writers of dictionaries and grammars say what they say.by what authority是视作ask的嵌入式宾语从句，在从句the writers of dictionaries and grammars say作方式状语？

问题 b y有类似于of短语当后置定语的用法吗？

One reason why it is hard to design and teach such courses is that they can cut across the insistence by top American universities that liberal-arts educations and professional education should be kept separate, taught in different schools. 这里为什用by短语作后置定语，我感觉应该...

问题 句中的latter是否使用不当

Since the commander of the supply company was also deputy battalion commander, the new organization enabled the latter to focus exclusively on combat duties, while the former took exclusive care of any logistical and administrative needs.各位老师好，请问句子中的latter是否使用得当...

问题 instead前后并列句，不定式要不要省略to

...谢！Don’t look for rules to impose on what you write, instead, _____ the selection of topic, audience, and purpose to guide your choices.A. which allows         B. allow     C. to allow D. to be allowing

问题 虚拟语气中的should换成shall,must后还叫虚拟语气吗

... shall 或 must，这还叫虚拟语气吗？或叫陈述语气？比如：The law requires that all drivers wear a safety belt.The law requires that all drivers should wear a safety belt.The law requires that all drivers shall wear a safety belt.The law requires that all drivers must wear a safety ...

问题 A is to B what X is to Y 相关结构疑问

...是 to B2，What C is to D, that A is to B.e.g. What exercise is to the body, that reading is to the mind. What blood vessel is to a man’s body, that railway is to a country.这个结构，that是什么用法？谢谢 

问题 不定式做宾语

By the late 1970s, neurologists had switched to thinking of them as just "mental noise" - the random byproducts of the neural-repair work that goes on during sleep.请问老师，这里的to thinking是不定式还是介词呀？此时的Switch是及物还是不及物呢？To thinking是做Switch的...

问题 分析句子成分

But it is the broader analysis of the sample that is of most interest to security researchers.还有就是最后的to researchers作什么成分，修饰谁的？

问题 play...on/at/in the piano中的介词用法

... English song           the piano.A. on    B.in    C.at2.She likes to play music              the piano. A. on    B.in    C.at

问题 状语和状语从句

During the winter holidays in her senior year ,  while she was driving during a storm , her car ran off the road and hit a tree.请问During the winter holidays in her senior year 的成分是状语， while she was driving during a storm的成分是时间状语从句吗？两个句子都是状...

问题 定语从句介词问题

This is the car that/which you paid for a high price.1 这句话为什么可以改写成This is the car for which you paid a high price. 就是为什么paid for的for能提到which前？2 那这句话可以改写成This is the car that /which you paid a high price for 吗?

问题 请教尊敬的曹老师：一般现在时表示过去时间的用法与转态动词自己使用自己的疑问

...动词。例如:1、Alice tells me you are entering college next year.2、The ten o'clock forecast says that it is going to be cold.3、we learn by experience that only socialism can save China.4、l hear poor old Mrs Smith has lost her son.5、Your correspondent (通讯记者)Smith writes in the is...

问题 此句是否为宾语从句的变化形式

The discovery of Okechukwu Okoye's mutilated body has sparked outrage, the BBC's Ishaq Khalid reports from Abuja.请问此句是否为：The BBC's Ishaq Khalid reports from Abuja that the discovery of Okechukwu Okoye's mutilated body has sparked outrage.的变化形式？以上用逗号隔开的写...