找到约 24000 条结果

问题 新概念英语第二册第61课复习时发现一处while从句时态的问题

...说明原因。我的疑问2：如果主句不用将来时，那么主句和从句的谓语动词都是持续性动词，那么主从句都是要用一般现在时对吗？ 

问题 see sb doing的宾补能是短暂性动词吗

...ing the watch into his pocket. 我看到他把手表放进口袋里。enter和put...into都是短暂性动词，单这个语境并没有体现反复发生，该怎么理解呢？

问题 句末when(前面有逗号)引导的是状语从句还是定语从句

The proof was in the prizes on Wednesday night, when she walked away with a record-equalling four Brit Awards. 请问when引导的是状语从句还是定语从句？

问题 单独回答“我”时什么时候用me什么时候用I

上课时英语老师问了一句：“Who is the most handsome boy in our class?”接着有个同学大喊：“Me!”老师就笑笑。可是为什么不是回答“I”？同学是回答错了吗？单独回答“我”时什么时候用me什么时候用I？谢谢！

问题 even if后面的这个achieve不该用完成时态吗

________ we achieve great success in our work, we should not be proud.空白处用 Even if，那 achieve 不该用完成时吗？用 Unless 虽说传达了不大积极的价值观，但语法完全没问题吧？

问题 请问这个句子里的破折号的用法

...c, the beautiful dresses and the scented flowers—or naughty—an extraordinary number of Swedes celebrate their birthday in late March. 两个破折号的用法是什么？还有 be they nice， 这个要怎么用语法的角度理解？谢谢！

问题 这道题选择一般将来时还是将来完成时

If traffic problems can't be solved soon, driving in cities ______ impossible.A. is                           B. will beC. will have been      D. be这道题选择一般将来时还是将来完成时？

问题 hear sb doing与hear sb do的区别

I often hear the girl ______ (play) the piona in the next room. 答案给的是play, 为什么不是 playing，因为不一定听到的是全过程。

问题 are后面跟两个过去分词是什么用法（be known killed）

Sixteen people are now known killed in the race riot.请问，这个地方谓语动词are后面为什么跟随了两个过去分词（known、killed）？如何解释？它们做什么成分？

问题 the summer of 2018 前面能不能加介词on

尊敬的专家：你们好！我看到不少词典上有例句in the summer of xx年，那么能不能在the summer of 2018 前面加介词 on，有道词典上有例句包含on the summer of 2004，我有些困惑，希望专家帮助解答，非常感谢！

问题 get后面接动词ing的用法

1、I was just traveling through，got talking with this American，and pretty soon he invited me home for dinner—amazing.我只是路过的时候与这位美国人简单聊了几句，不一会儿，他就邀请我去他家吃晚饭——这太令人吃惊了！请问get talking with是固定搭...

问题 分词用法疑问(seen occurred还是seen occurring)

Perhaps the most riveting episode of "less-bad" advertising ever seen occurred, amazingly enough, in the industry that most people assume is the master of avoiding saying anything bad about its product.句子里seen occurred，为什么是过去分词？用occurring呢？

问题 两个并列的动词时态必须一致还是可以不一致

... just because of the subject he taught, was the only one who made me stand in front of the class and introduce myself.这里introduce为什么会用现在时态，而不是过去时态？

问题 一个句式分析

But what consciousness is, we know not; and how it is that anything so remarkable as a state of consciousness comes about as the result of irritating nervous tissue, is just as unaccountable as the appearance of the Djin when Aladdin rubbed his lamp in the story, or as any other ultimate fact of nat...

问题 复合介词的应用问题

...在动词加副词加介词的形式中 Hold on to.  Give up on log in to  team up with look back to这里的介词与副词是否构成复合介词？ 是否可以看作介词短语修饰前面的不及短语动词？ 其次是动词加名词加副词加介词的形式 这种形式...