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问题 双重谓语与系表结构的异同

She married young. This cannot be eaten raw. 这两句话中形容词都做主补，但是这两句话不都是双重谓语吗？双重谓语和系表结构不是不一样吗？为什么还可以称为表语(主补)？另外，形容词也能叫做谓语(在双重谓语中)？

问题 关于having done作宾语的疑问

He refused having done it in order to save his face.这里为什么refused为什么可以接having done可以作宾语吗？

问题 tea后面的所有格形式表示什么意思？

I like these dishes but _ is a little too small.A.the tea cupB.the cup of teaC.the tea`s cupD.the cup for tea

问题 现在完成式的表意理解

...ve，work, study, teach, learn, wait, stay这些动词用于现在完成时的话是表示这个动作到现在已经结束还是持续到现在后以后仍会发生?还是说即可能结束也可能持续下去? 如例句:He has worked in the company for 20 years.这句是表示他已经工作20年...

问题 such和so作代词的区别

By doing so (such), we may discover the benefits of simply watching a sunset.这句话中，so为什么不能换为such？such也可作代词，比如：We were second-class citizens and they treated us as such.

问题 as though/if 虚拟语气的时态

The computer "teacher" was talking with its students as though it _____ a human teacher.请问各位老师，这个空填had been还是were。我看网上有答案说是were，我认为had been对。谢谢各位！

问题 比较结构的理解问题

1. Many fossils of manlike skulls and skeletal fragments more advanced than those of Beking Man have been found.2. There appeared a form of man with a less heavily built face and a larger brain case than (those) of homo erectus.those指什么? 整个比较结构如何补全（可能语法上不应...

问题 as的用法

Some topics were off limits for the Premier,Some topics were off limits for the Premier,suggested as more appropriate for conversations between President Bai Chunli of the Chinese Academy of Sciences (CAS) and me.请问老师，suggested as more appropriate for conversations between President Bai Ch...

问题 不定式中be的省略问题

1.You used to be a peasant?Yes, I used to be.答语中的be可否省略？是必须省略吗？2.Aren't you the chairman here?No, and I want to be.答语中的be如何处理？可否省略？是必须省略吗？

问题 虚拟语气should/were和陈述语气shall/is使用的含义差别？

...ed if this were he.”这正是希尔顿·丘比特先生急着想搞清楚的问题，他住在诺福克郡赖丁索普庄园。这个小谜团是今天首班邮车送来的，他本人准备搭乘下一班火车前来。门铃响了，华生。来人如果是他，我一点也不会感到吃惊。...

问题 take sb doing sth与take sb to do sth的用法与比较(续)

上次我问过您类似的问题(http://ask.yygrammar.com/q-7231.html )，但还是有些疑惑：take sb. to do sth.是否可以有与take sb. doing sth.一样的用法？就是说可不可以像下面那样说呢？Ian took us out to sail on the lake. Frances took her daughter to walk e...

问题 symbol前用不用冠词与用不用复数的疑问

...brilliant today with cloverleaf junctions and skyscrapers everywhere.其中的 they have become symbol of Beijing’s life，为什么没有在 symbol 前用冠词？另外，symbol 为什么不用复数？因为句子主语 they 是复数啊！

问题 Will robots work on the moon?的回答用work at it

这是作业上的句子：—Will robots work on the moon?—Yes,they will work at it.为什么前面是用on 而后面却是用 at？

问题 some floor 还是 some floors

...庭作业中，有这样一道题：some _____ (floors / floor)老师所给的答案是：floor我认为,正确的答案应该是：floors ，原因是：floor 在教科书中的词义是“地板，地面”（p.58）,而作此义时，floor是可数名词，some表示“一些”的意思时，其...

问题 并列句中后面一个动词be的省略问题（前后性质不一样）

并列句中前半句用了系动词，后半句被动句中be动词可以省吗？Today, of course, he is the world's top diplomat and his formative years shaped by conflict, hunger, and lack of opportunities—together with a meeting with President John F.来自今天的手机版CCTV NEWS.