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问题 关于by/after状语从句的疑问

1,He was very tired by he finished.2,He was a government official before 1949.请教曹老师，在您的这个回答中http://ask.yygrammar.com/q-32435.html写道，by介词短语作时间状语，by后时间名词表示的时间点是说话人关心的时间，before介词短语作时间状语，...

问题 为什么句子中出现两个动词

请问这句话 When fat and salt are removed from food, the food tastes as if...后面 tastes 不是动词吗？为什么前面的还是用 are removed 的呢？

问题 to the effect that的成分分析

He said something to the effect that he would have to change jobs if the situation continued.这个句子中的to the effect that是介词短语引导的从句吗？还是省略句，something which is to the effect that… 

问题 would在将来时中的用法

请问，would在将来时中，非if语句如何使用, 如何翻译比如：I would take you some food when I see you next time          Young people would still understand

问题 It happened that...中的从句是主语从句吗

It happened that he was unfit for the office.请问老师这个句子的 that 从句是主语从句吗？这句子怎么翻译？谢谢老师。

问题 关于neither引导的倒装句问题

课本句子：This made me realize that there's no egg in eggplant either.Neither is there pine nor apple in pineapple.我知道neither倒装结构是“neither/nor+助动词/情态动词/be动词+主语”，但是没看懂后面那句倒装的结构，感觉并不是上述结构啊，老师...

问题 were happening用作过去虚拟

...———————————————————————as if 从句用虚拟语气，当说话人认为句子所述的是不真实的或极少有可能发生或存在的情况时。从句虚拟语气动词时态的形式如下：1、如果从句表示与现在事实相反，谓语动...

问题 so...that...句式分析

A good name can make the dish interesting; however, some names are so eccentric that they may confuse people, both Chinese and foreigners.请问分号表示这是并列句吗？so…that引导的是状语从句是吗？both Chinese and foreigners是状语是吗？

问题 分词在这个句子中是什么成分？

The doctor,not wishing to makje her more nervous,didn't fully explain the seriousness of her condition.请问两个逗号之间的这段分词，它属于什么成分，为什么用逗号完全分隔开？ 可以看作非限制定语么？（不知分词可以作非限制定语吗？）

问题 alive可以用于名词前作定语吗

不是说 alive 不能用于名词前作定语的吗？但下面这句呢？为什么可以？The similarities between Mars and Earth were enough to keep alive hopes of some form of Martian life. 火星和地球之间的诸多相似处足以让人们对火星上存在某种生物抱以希望。

问题 while he was 16 的说法不对吗

He left school while he was sixteen.有人说上面的句子不对，要改用when：He left school when he was sixteen. 他16岁时中学毕业了。

问题 关于名词性从句的疑问

...主语 宾语 表语可I wonder what size she wears 这里的what 不是作定语么？which在名词性从句中必须加名词可He asked me which i liked best 这句话也是对的呢？

文章 老问题：in the playground or on the playground

...ough 是合理的，因为 through 强调空间（across 强调平面）。只能说，这种解释指针对大部分情况。用 on the playground 确实少的可怜，但毕竟还是有的，只能认为美语会用 on the playground.

问题 专有名词的后置定语

Cholera is coming back，warns the WHO，a powerful medical and environmental organization under the UN dedicated to maintaining world healthy. 请问，这里的UN与dedicated之间是不是应该加个逗号呢？ 我在语法书里看到专有名词后面是需要用逗号隔开的。

问题 关于前置定语和proof的用法

请问第一行中的excellent、data、protection作为technology的前置定语，可以改为technology of excellent data protection吗？之前看过一个短语是 village of flame，一个单词做后置定语，而三个单词做前置定语。这样的前置和后置定语有什么说法吗...