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问题 if与whether的区别与选择

I 'd like to go swimming _______ the water is not too cold.A.unless    B. for      C. if     D. whether 答案为if。D 为什么不行呢？

问题 If given more time...句式分析

老师您好!If given more time, I can do it better.本句 if 为连词，given 是过去分词做 more time 的定语，If 从句整体做条件状语，时间是被（别人）给的，但是在从句中无主语及谓语感觉挺别扭，请老师解惑。盼复！

问题 这道被动语态题为什么不能选一般现在时

This coat _ for use in the rain only，but I wear it all the time.A.is intendedB.intendC.intendsD.will intend

问题 短暂动词可以用完成进行时吗

我知道有些短暂动词可以表示“即将、快要、马上”的意思It's getting dark. I'm beginning to enjoy it.那么完成进行体可以吗，比如Life has been getting better year by year.请教老师这句话对吗，get是不是有持续性？

问题 条件句的时态问题

刘老师，您好，帮忙解 答一下这个问题-----May I play the computer tomorrow ,Dad?-----Certainly not,unless your homework_____ by then.答案给的是 will  be finished，请问选has been finished 为什么不可以？我以前在网上看到这样一种说法：在条件和时间...

问题 grand在专有名词中的翻译

我看到Grand在专有名词中有两种翻译：一是翻译成“大”。如：the Grand Canyon 科罗拉多大峡谷I worked at the Grand Theatre. 我在大剧院上班。二是翻译成“格兰”。如：the Grand Hotel 格兰大酒店

问题 变间接引语时 must 必须变 had to 吗

He said,"I must clean the room."变间接引语，must必须变had to 吗？must既然没过去式不变行吗？

问题 不定式表动作的承接

One winter morning in 1945, I got home after my deliveries to find a boy of my age at my doorstep.问：句中to find a boy of my age at my doorstep.是不定式作什么句子成分？根据语义它应该是表示一种动作的“承接”吧？请老师说明一个这个不定式的用法？

问题 if（是否）引导宾语从句时可以用否定式吗

I wonder if he doesn't know the news.这个句子对吗？if（是否）引导宾语从句时可以用否定式吗？

问题 是并列谓语吗？

Everything in the concept has been built，is operating or has a close cousin that is operating.本句话是不是一个简单句中，一个主语带有三个并列谓语动词has been built,is和has呢？谢谢老师

问题 neither...nor...用法

The price would be high: a demonstration that America feels bound neither by treaty commitments to allies nor its values.老师好，请问nor后面是省略了by还是to呢？

问题 yet的用法

Ignoring him, Turkish forces launched a campaign onOctober 9th that threatens not only to revive IS, but also to condemn Syria to yet another cycle of slaughter.这里yet为什么放在了这个位置？

问题 这里for later如何理解？

We will table that for later. 我们将把那件事留到以后再讨论。请教老师：这里for later如何理解？

问题 句子成分分析

In 1905, he published 4 significant theories, including of that special relativity or as most people know of it E=MC^.老师，这个句子including of是不是应该是inclusive of? 结尾的E=MC^做什么成分？

问题 relativised element 怎么理解

《剑桥学生英语语法》一书中，关系从句部分介绍的 relativised element到底怎么理解呢？翻译成中文是什么意思呢？书中第189页原句：Note that here the relativised element is …