...ars old, enjoying a high reputation both at home and abroad.请问句子中的 has been 200 years old 用得对吗?我是说这里的现在完成时用得对吗?有人说要改成 has a long history of 200 years,有这个必要吗?谢谢解答!
After the interruption, the speaker went on talking as if nothing had happened.When I told them my plan, they looked at me as if I was mad.请教老师这两句话是虚拟吗?是不是如果主句是过去时,as if 是否是虚拟看不出来?谢谢!
...s those given seven days, they spend only half as much time altogether standardized work.1、Not only did patients do totall……,这里的“do”怎么理解?2、as much time altogether standardized work.这里是不是少了一个“as...
...irst American woman (to win) the Nobel
Prize for Literature.这里的后置定语为什么不用to have won 呢? 在她成为第一之前应该已经赢得诺贝尔文学奖了。我是理解成:She became the first American woman (who had won) the
Nobel Prize for Literature 赢得诺奖是因,...
...f it not for your help, I really don’t what I’d have done. 要不是你的帮助,我真不知会弄成什么样子。这里难道不是应该用 If it hadn’t been for your help 吗?为什么用 if it not for your help 呢?难道是 If it hadn’t been for…可以简化为 if not for…...
1,Jack is six feet tall, of medium build.为何使用of这样的形式?查了语法书,没找到相应知识点2,Boil for 20 minutes until the liquid has reduced by half.把by换成to是否表达的意思一致?3,She refuses to acknowledge the need for reform.for在句中的含义是突...
...of paints and some pencils. It is hard to take up drawing
again at my age, when I have never made any pictures except those of the boa
constrictor from the outside and the boa constrictor from the inside, since I
was six. I shall certainly try to make my portraits as true to life as
possible. But I ...
Sometimes I think how grateful I would be today if I had learned more back then about what really matters. back then=at that time。back是形容词,then是名词吗?把back then放到句尾会有歧义吗?
...g VLF emissions is lightning, which generates a pulse of radio waves every time it flashes这句话主语是main source. of...是修饰成分 那么,occuring VLF emission 这个属于动名词短语吗为什么有的动名词可以独立做成分 比如Swimming is my hobby有的动名...