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问题 介词by感到多余

托福TPO31听力L2中的一句话：And one of the concrete ways people have been doing this is by cleaning up polluted habitat areas and then replanting  flowers that humming birds feed on.这个句子的简要结构是one of way is by cleaning ...and then replanting .这里介词by...

问题 请问这句话notice前为什么没有冠词

I asked that notice should immediately be given that I would broadcast at 9 o'clock that night.(选自丘吉尔演说Speech on Hitler's Invasion of the U.S.S.R.)  

问题 smile at sb与smile to sb的区别

Then he smiles at Lolita and rides away on his horse.at改成to,可以吗？介词（复合介词）分静态与动态吗,这样细分好吗？into 与in ；onto 与on……有什么区别？？

问题 使用would have prevented 这里是虚拟语气，还表推测？

Miss Waterford certainly felt that she could not do her subject justice on the curb of Jermyn Street, and so, like an artist, flung the bare fact at me and declared that she knew no details. I could not do her the injustice of supposing that so trifling a circumstance would have prevented her from ...

问题 这句的was come 是表语还是被动语态

...met Captain Nichols. He came in one morning when I was having breakfast on the terrace of the hotel and introduced himself. He had heard that I was interested in Charles Strickland, and announced that he was come to have a talk about him. They are as fond of gossip in Tahiti as in an English village...

文章 可以后跟v-ing形式的动词（短语）（九） ——以《朗文当代高级英语辞典》（第6版）为蓝本

...。（2）作“British English if children play at doctors, soldiers etc, they pretend to be doctors, soldiers etc【英】【小孩】假扮……玩”解时，构成“play at being something”。例如：a 14-year-old playing at being a grown woman假扮成年女性的十四岁少女She made h...

问题 these days可以与一般过去时连用吗

请看下面的对话：A: I still put on weight these days.B: You’d better join the fitness club.对话中的 put 是什么时态？一般现在时还是一般过去时？these days 可以这样吗？

问题 for 表示“为了”与“对……”的区别

If you are a real tourist, you probably do not stay long enough for this phase to wear off but go on to the next new location or experience.句中 stay long enough for this phase to wear off 的 for 是表示“为了”还是“对……”的意思？to wear off 是不定式做定语吗？

问题 复数名词本身是否具备数量意义

利古里亚的沿海城市坐落在陡峭山脉下的狭长地带上。The coastal cities of Liguria sit on narrow strips of land lying under steep mountains.narrow strips of land我认为复数名词不具备数...

问题 rather than 后面跟doing还是do

rather than 后面跟doing还是do？都是外刊的句子。Why didn't you ask for help,rather than trying to do it on your own.(这句话应该怎么翻译？)He will drain,rather than enrich,the country.

文章 虚拟语气与将来事实相反时从句谓语动词的三种形式如何选择（二）

... 七、经典例句对比 过去式（可能性较低）： If she left now, she would catch the train. （如果她现在离开，还能赶上火车。） →暗示她可能不会离开，但若离开则能赶上。 should + 动词原形（偶然性）： If you should see him, tell him to c...

问题 为什么虚拟语气要把时态倒退一档

比如对现在的虚拟，为什么不直接说：If I am here, I will speak on my behalf。而是说： If I were here, I would speak on my behalf.对过去的虚拟，为什么不直接说：If I walked faster, I ….而要说If I had waked faster, I would have… 对将来的虚拟……

问题 不定式和现在分词作名词的后置修饰语的区分辨析？

http://ask.yygrammar.com/q-44236.htmlTourists made up about 40 of the METS visitors but on this day the line to get in consisted mostly of New Yorkers.line 与 to get in是主谓关系。请问上句可以说成the line getting in...吗？用现在分词和不定式究竟有何区别？我搞不清...

问题 复合介词的应用问题

...作复合短语呢？ 首先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...

问题 would have been expecting的时态表示什么意义

A mid-table position is not the return on their investment their generous owners would have been expecting.would have been expecting 的时态表示什么意义?