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问题 be done doing的用法

在美剧中常常见到be done doing结构，比如we were done waiting for you。请问这个结构该如何理解？

问题 come to 用法

Mobile phones reflect our hunger for social communication, as can always be seen in a phone user who comes to a sudden halt on his way.请问老师，come to在此处应该如何理解？

问题 动名词作主语问题

Saying with a native speaker is better for children than simply sitting in a classroom.1. 为什么要用动名词作主语？2. 为什么要用sitting(现在分词形式)?

问题 难句分析（分析句子成分）

Mary, as clever as paint and much admired in academic circles, was clearly destined for a brilliant career. 老师，帮我分析一下句子成分。

问题 long可以用作动词的宾语吗

副词 long 可以用作介词的宾语。如：He didn't stay there for long.请问：long 可以用作动词的宾语吗？谢谢！

问题 过去完成时的用法

For a generation, China’s government had persuaded its married couples that “one child is enough”.这句话中，had persuaded属于过去完成时态的哪种用法，是否可以改为过去式？

问题 求教一道中考题的答案

请教各位老师，根据图①的一小段文字，图②的空白处应该填什么呢？ for example? like? as? 好像都不恰当。是题出的有问题，还是有其他答案呢？

问题 still不能用于否定句吗

我看到有些书上说，still不能用于否定句。但是：One small child was still not accounted for. 还有一个小孩子下落不明。但这一句不是否定句吗？

问题 不定式的作用

 I have a busy life with no time to sit around feeling sorry for myself.有的教辅说 to sit around是宾补 但是我觉得是后置定语修饰no time. 整个with 复合结构做状语是么?

问题 单个形容词位置问题

You will be liable for any damage caused.这句话中的单个形容词caused放在被修饰词damage之后，单个形容词不是放在被修饰的名词之前吗？caused放在damage之前是否可以？

问题 如何分析这里的as

Over coming months more users and governments worldwide will debate tech's role as powerful gatekeepers for society.这里的as起宾补还是定语作用，又或者还是应该理解成比较含义呢？

问题 America后省略什么

Europe took more notice, though, when a leaked list of prices it was paying for vaccines showed it getting a much better deal than America. 是省略宾语补足语getting么？谢谢各位大咖专家老师！

问题 neither的否定意义

______ Austin had made no grammar mistakes in his thesis paper, but had he well prepared for it. A so     B neither      C both      D either请问这个为什么选B呢?

问题 动词+副词类短语动词的用法

Ben had planned a steak dinner for himself after seeing Jackie off on her plane. seeing Jackie off 是否可以改为seeing off Jackie???

问题 现在完成时态的用法

I have been winter swimming for about four year.现在完成进行时的形式为：have been doing sth. swimming是现在分词，构成 have been doing的结构，那这里的winter如何理解？现在分词前加入winter名词修饰如何理解？