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问题 此处的I bought用过去时。请问这是虚拟语气吗

Let's say I bought a really great pair of shoes. 此处的I bought用过去时。请问这是虚拟语气吗谢谢指点

问题 不定式的逻辑主语可以直接用主格吗

I to do it is out of the question. 我做那件事是不可能的. 请问这句话符合正规语法吗？

问题 句子辨析（for long与for a long time）

1. He didn't work for long. 2. He didn't work for a long time. 这两句在意思上相同吗？

问题 and, but的在此句中的用法。

Any difficulty and we will assume control but, when the looting starts, the shooting starts.我在某社交媒体上看到一个知名人士发了这么一句话，我的疑问是该句中 and 和 but 用起来感觉有点奇怪。如果我写我会这样：Any difficulty we will assume control, but...

问题 从句位于主句前面时，主句前面可以不用逗号吗

请问专家，从句位于主句前面时，主句前面可以不用逗号吗？最好有权威书上的依据，谢谢？

问题 可以直接用动词原形作系动词be的表语吗

可以直接用动词原形作系动词be的表语吗The last thing we wanted to do is cause her any more hardship and emotional turmoil.这里为什么cause是原形？

问题 It's obvious that...句式成分分析

It's obvious that...（……是显然的）老师，您好！这里 that 引导的是什么从句呢？从句做真正主语，it 做形式主语？是吗？感谢！

问题 关于there be句型的省略问题

以There be 开头的句子，其主语的定语从句常可省略关联词。以此原则成立为前提...1. There is a chance Dr. Li will be able to be back for May Day.按我理解，这句话省略了chance 后的 that。而that后所跟的短句是there be 句型中的实质主语。同时也...

问题 用 it 还是 them

They should clean the room and wash the clothes，because when they get older，they will have to do it. 这个句子最后一个单词it要改成them嘛，clean the room and wash the clothes.是两件事还是一件事？

问题 动名词能用副词或形容词修饰吗（为什么）

...broaden our horizon.这两个句子动名词reading都是被什么词修饰的？为什么要用这样的词？

问题 外刊语法的问题

We do, however, differ greatly in the ways we use this little measures of time请问老师这个是什么从句？

问题 三种倍数表达的正误问题

1. Japan is graduating more than three times the number of high-tech engineers that we are here in China.2. Japan is graduating more than three times as many as high-tech engineers that we are here in China.3. Japan is graduating three times more than high-tech engineers that we are here i...

问题 分析：Which year was it that the library was built?

Which year was it that the library was built?请问这里的 that the library was built 是什么从句？它是定语从句吗？如果是，它修饰谁？句子是什么意思？另外，可以看作是强调句吗？如何翻译？

问题 过去分词作定语与现在分词的完成被动式作定语

请老师帮我看一下以下的非谓语，The building having been built last year is a restaurant.The building built last year is a restaurant.请问这两句都对吗，要么哪句对以及为什么是它啊？以及能帮忙把正确的句子被省略的部分补充完整吗？

问题 be it…or…的用法

老师好：be it or这个结构，是不是it这个位置只能用代词？能用名词么？比如说：Be Mary rich or poor, I will marry her. 这个句子对么？我看到有这么个句子：Sadly its not a matter or so called educated or not, its more it shows how small minded and short sight...