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问题 现在分词完成式做状语（尤其是延续性动词/状态）是否必须是分词动作/状态结束后主语动作才开始

...s own boss for such a long time, he found it hard to accept orders from another.做老板的状态是否必须先结束，主语谓语才开始？如果他还是老板，句子能否这样写？3.Having grown up in San Francisco, Dave had always preferred to record the plain facts of small-town life...

问题 为什么 advice 是不可数名词

...数名词，因此要表示“一条或几条意见”，要使用 a piece of advice 或 several pieces of advice 这样的表达法。请问为什么 advice 是不可数名词呢？是因为它是抽象名词吗？按照中国的习惯，意见就是一条或几条的呀。为何不能用 an advice...

问题 rounds这里表示什么意思

...ly, we’ll invest between $200,000 and 300,000 in fundraising rounds of between $700,000 and $1.5 million. We’ll be looking to syndicate deals.in fundraising rounds of between $700,000 and $1.5 million. rounds 指的是：在 $700,000 到 $1.5 million这轮融资?

问题 现在分词是作定语还是什么成分

Witnessing varieties of Chinese traditions broadening my horizons,I had a deeper understanding of...这个句子是学生写作写的，这个前半句话感觉有点不太对，但是细看好像又没问题。主要是关于 broadening 这一部分的疑问，能否理解成是前面 traditions ...

问题 为什么except后面可以接不定式、动词原形、动名词等

...了使他生气没有别的作用。She seldom goes out except to go to Mass. 除了去做弥撒她很少出去。6. except+动词原形I can do everything except cook. 除了做饭我什么事都会做。I could do nothing except agree. 我除了同意，没有别的办法。7. except+动名词As h...

问题 Mr and Mrs Smith 作主语谓语动词用单数还是复

Mr and Mrs Smith 作主语时，句子的谓语动词是要用单数还是要用复数？如下题：According to police accounts, Mr and Mrs Smith ______ found dead on the floor of their kitchen. A. was B. were请问是选单数was还是选复数were？

问题 请分析一段对话的意思（涉及friend的性别与深层意思）

I’ve just claimed that there are no separate male and female senses for friend. Does the following dialogue prove this wrong?Jane: Do you have a friend?Julia: Yes, Sue is my friend.Jane: No, I didn’t mean a friend, I meant a friend.Julia: Oh, yeah. Perry and I have been together for five years.O...

问题 boy do we need it 是什么意思(是否有误)

... third of American adults are not getting enough sleep on a regular basis, the US Centers for Disease Control and Prevention says, calling sleep deprivation a "public health epidemic." 

问题 always不能放在句首吗

...任何公函或要函都会留一份复印件。误：Always I keep a copy of any official or important letters that I send off. 正：I always keep a copy of any official or important letters that I send off. 析：always不能放在句首。疑问：这里说always不能放在句首，但我感觉...

问题 一个貌似简单的语法或者是固定结构的问题

英语里有很大一部分表示形容主要结构就是主+系+表，那么又出现了be+of+n.=adj.的这种结构在实际生活中有什么意义呢？或者说哪些情况下要用成be+of+n.呢，我感觉要是没有啥区别的话，这个也没什么存在的意义呀。

问题 for前面加逗号和不加逗号的区别

1）We listened eagerly, for he brought news of our families. 2）We listened eagerly for he brought news of our families. 第1句中，连词for前加了逗号，第二句没有。两种表达有什么区别？

问题 请教句子结构这样分析是否正确

I got tired of hearing my father complain about my job.请教老师，对上面句子的语法结构这样分析是否正确？如果不正确，怎样纠正？1. Hearing my father complain about my job视为一个ing分词分句；2.ing分词分句作介词of的宾语，它们一起组成一个介...

问题 句末重量、末端重量、尾重、末端重量原则、尾重原则等语法术语的理解

...法术语 end-weight 不是指“句末重量”，而是指“尾重”，the principle of end-weight 不是指“末端重量原则”，而是“尾重原则”(把长而复杂的句子成分放在句末的原则)，参见 end-weight。疑问：这个回答貌似没有逻辑？

问题 being knocked backwards and sideways该怎样理解?

Survey show that today a lot of Americans feel weary of being knocked backwards and sideways. 请问老师句子的 being knocked backwards and sideways 该怎样理解? 

问题 before作副词在句子中的位置

原句：when I had seen them before online, I had no concept of these details.（当我以前在网上看到他们，我不知道这些细节。）该句是否可改成：when I had seen them online before, I had no concept of these details.将before 放到online后面？