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问题 fall from和fall down from

请问各位老师fall from和fall down from是否可以互换，如在下面的句子中：The rain dropped. It _____ from the sky.在横线中是否既可以填fell，也可以填fell down。谢谢

问题 一般现在时连用明确的过去时间

Thompson (1988) argues for the discourse basis for the distinction between attributive and predicative uses of adjectives.这个句子的时态有问题吗？前面括号里的1988表示时间吧？为什么还用一般现在时？

问题 表示“通过……”用through,by,on中的哪个介词

通过电话，除 on the phone 外，能否用 through the phone, by phone?通过信件，应该是 by letter 还是 by letters?辛苦专家解惑，谢谢。

问题 如何区别名词后的介词短语是状语还是定语

I was talking with a man on the road.句中的 on the road 是状语，可以不可以理解成定语呢？我刚才正和路上的那个男子交谈，这样理解有错误么？谢谢！

问题 英语句子结构分析(寻找主谓结构)

At the heart of the unease about these earliest works of literature were two fundamental questions: first, how could Greek literature have been born ex nihilo* with two masterpieces?were对应的主语是什么？如果对应的是 heart，那为什么是 were 而不是 was?如果对应的是前面...

问题 example is of 是何用法

One example is of children at the age of 6 or 7 painting flowers, fish. 请问老师，这个句子的句型结构？one example is of是何用法？painting flowers,fish是现在分词作children at the age of 6 or7后置定语吗？谢谢老师们。

问题 but作排比的用法

...rmative but not preachy, and for most readers truly exhilarating. Although the oceans may cover seven-tenths of the earth's surface, few of us know much about them.1、but做排比用法时，是什么词性，什么意思？2、and for most readers truly exhilarating是介词短语做状语吗...

问题 不及物动词后跟宾语从句

...例句。Does it really matter that who did it ?It didn't matter that the weather was bad.不应该是，像know这种及物动词才有资格接宾语从句吗？I didn't know that the weather was bad.I really don't know who did it.

问题 since引导的时间状语理解问题？

章振邦高级英语语法497页：Since he joined the army, he was made great progress (自从他参军以后，他有了很大的进步).薄冰英语惯用法词典945页指出since he joined the army - 他在或不在部队里都有可能。那么上句是否意味着，说话的此时此刻，h...

问题 rush out 与rush out of的区别

rush out 与rush out of的区别 例如：I rushed out the door为什么不用run out of the door呢?

问题 主将从现 VS 主将从完

1. The moment he has arrived, I will let you know.2. The momnet he arrives, I will let you know.通常遇到第2句的情况比较多，请问老师第1句这样的用法和第二句有什么意思上的区别吗？“他一来我就告诉你。”第1句是强调他一到就告诉你？

问题 of 后只接wh-引导的句子吗

of 后是只接wh-引导的句子吗?The Chinese people won the great victory of justice over evil, light over darkness and progress over reaction.那这个句子里，of后面的是词组还是句子，若是句子又怎么看？望老师解答，谢谢！

问题 星期名词 Sunday 作定语为什么不用所有格

下面的内容摘自《新牛津英汉双解词》： 请问这里为什么用 the Sunday roast，而不用 the Sunday's roast 呢？这有什么讲究的吗？

问题 百分数和分数做主语，词性是代词吗

最近在思考一个问题，请问老师们，百分数和分数像如下例句一样做主语，是不是他们的词性应该是代词？或者应该是什么词性呢？One thirds of the workers are women.60% of the water is clean.

问题 难句语法结构分析

There is the possibilities of what he said of him being false？这里的可以理解成：There is the possibilities of (what he said of him) being false.吗？请问这时候这个what he said of him是什么？感觉像插入进去的一句话！但是what he said of him又含有一定的语言...