找到约 60000 条结果

问题 if从句的时态(一般过去时与过去完成时)

She said she would have killed you if she knew the truth.请问if 后面的时态，为什么不是if she had known the truth，谢谢。

问题 关于比较级than 后面从句省略的问题

The refuse left by tourists is more than can be disposed of.The refuse left by tourists is more than disposed of.两种表述哪个正确还是都可以呢

问题 extra做副词用法

 When she was only seven she could carry a piece of shortweighted cheese back to the A & P, threaten the manager with legal action, and come back triumphantly with the full quarter-pound we'd paid for and a few ounces extra thrown in for forgiveness.extra是副词修饰thrown in吗？

问题 关于and前是否要用逗号的问题

关于and前是否要用逗号的问题

问题 语法结构

Finding that Meng Ke was playing truant ，the mother was indignant.前半句是什么语法结构是，是现在分词接的宾语从句吗？那逗号前面整个句子又做的是什么成分呢？谢谢

问题 句子分析

If you know someone the names of economics, pro-capitalist economics,...老师您好，该从句中someone the names是何种用法呢？the names作不定代词someone的同位语吗？

问题 关于 place 和 recorder 的用法问题

...不理解的地方，Maybe an automatic recorder would be placed when food is removed from a refrigerator。这里的recorder似乎改为order合适，而place an order 正为下订单之意。原文如下：Food might not be purchased from a grocer or from a supermarket. Instead, as custo...

问题 介词like和and so on的问题

请教各位老师两个问题：1. like和such as后面举例后，可以加and so on吗？Eat more healthy food, like/such as fish, milk, eggs and so on.  2. As a student作状语，主语可以用复数人称代词吗？还是As students作状语才可以？As a student/students, we must follow...

问题 move house中的house为什么不用复数或限定词

These boxes will come in handy when we move house. 请问一下：move house中的house为什么不用复数或限定词？比如：These boxes will come in handy when we move houses. These boxes will come in handy when we move a house. 

问题 owing to 这里是做什么成分

...主句是 Culture is to be devoted to making men gentlemen, 非限制定语从句为in the sense which,  is familiar in England. 那么largely owing to Plato这个是什么成分呢 

问题 一般现在时还是其他时态

...e," she continues.答案为什么用一般现在时，这是一般现在时的什么用法？可以用现在完成时或者现在完成进行时吗？

问题 形容词作定语

We wake up from dream happy or depressed, and those feelings can stay with us all day.请问happy和depressed是做定语修饰wake up的吗？

问题 遇到既可以当介词又可以当连词的词后面接的doing是动名词还是现在分词

遇到既可以当介词又可以当连词的词，怎么区分后面接的doing是动名词还是现在分词?I need more practice before taking the driving test.句子里的 before taking the driving test为什么不是介词引导动名词作状语，而是连词引导的现在分词作状语?

问题 序数词后面可以接不可数名词吗

序数词后面可以接不可数名词吗？还是一定要用一个单位词？比如“我的第二件行李”是 my second luggage 还是my second piece of luggage？谢谢！

问题 独立主格的疑问

...师说：独立主格结构作状语可以表示补充性说明，而with的复合结构不能。All the stones are very heavy, one of them weighing over 3 tons. 所有的石头都很重，其中有一块重达三吨多。(作状语，补充说明，不用with的复合结构)我的疑问：（1）...