非谓语动词短语是什么，它是由什么构成的？比如 it is an expression used about 400 years ago by the British writer in his play Othello.这里的非谓语动词短语是不是 used 到 Othello？它是由什么构成的应该怎么看?
Consumer confidence plummeted a breathtaking 15 points, to its lowest level in ten years.The cable just snapped. The elevator plummeted ten flights.Stock prices plummeted 40 percent during the scandal.plummet是不及物动词，为什么后面有宾语？这里是名词作状语吗？
小说《Black Cat》里：I determined to wall it up in the cellar -- as the monks of the middle
ages are recorded to have walled up their victims.请问老师：1 这里为什么使用长划线破折号？强调吗？本来的符号应该是逗号还是冒号呢？2 as是连词引导方式状语...
The idea for the board of free meals started after a donor came in with $100 for each member of its staff. After two staffers returned to their share, there was $ 700 leftover according to Tarah Morris1.for each member是后置定语还是状语？2.returned to是什么意思，文中不是想说归...
...语语法新思维》里看到这样两个例句以及相应的论述：Albert Einstein, the great American scientist, is estimated to have had the incredible intelligence quotient of 200.“……但是爱因斯坦已故去，所以他“有”这样的智商已成为过去，因此要用...
...s in the highest degree original; but he was too good a journalist to be unaware that the “human interest” would enable him more easily to effect his purpose.上文，a talent 应该是指有天赋的人，那么为什么后面的定语从句用关系代词which呢？ 为什么不是用who...
...electricity transported via newly-built power
transmission channels should be renewable.请问这个句子中的half of the electricity除了将half分析为代词，是不是还可以将half of分析为前位限定词，同理当出现both of时是不是也可以分析为前位限定词？
Business culture is people’s behavior within a company and the meaning that people attach to those behaviors.the meaning that people attach to those behaviors.如何理解这句话的意思？