Some conferences spare a slot of time for Research-in-Progress Sessions.Research-in-Progress papers may be submitted as short papers(3-4 pages) or abstracts(1 page),describing an ongoing research project or study.加粗字体的括号如果要去掉,括号里的内容要怎么修改才能使...
Like all ecological systems, a forest is made up of a living
environment and a nonliving environment.
请问各位老师 forest 和 living environment 这些都是抽象名词表示泛指,为什么前面要加不定冠词?可以去掉吗?
This kind of architecture style was originated from ancient Greece.John Dalrymple was descended from an ancient Ayrshire family.曹老师您好,我想请教您一下:这里的“originate”和“descend”都是不及物动词,为什么字典上查到的句子也有被动用法“be originate...
...He always goes further than it is considered acceptable or correct for him to go.真正的主语是for him to go为动词不定式,不是嵌入分句。是否可以得出结论,动词不定式作主语,并且有形式主语it,比较分句中的主语也可以省略。
But if the students keep going, if businessmen start to wobble and if cracks were to appear in the army, the revolt could enter a new phase.个人按前后文分析,认为前两个 if 句为be- 型虚拟式,第三个 if 句为 were- 型虚拟式。但有其他同学认为前两个 if 句是真...
(1) If it should rain tomorrow, what would we do?(2) If you should meet George, tell him I want to see him.老师,(1) 以上两句条件从句 if... 为何要用 should 呀?表示与现在 / 将来相反的条件从句的结构,不是应该是 if I (we, you, he, they)+动词过去式吗?所...
Mickey, we didn't know how serious this was going to be with your father. Mickey, we didn't know how serious this was going to be for your father. Does the second one make sense? I'm not sure what the difference is.
例句:
Cath hasn't phoned since she went to Berlin.
卡思自从去了柏林还没有打来过电话。
这里是“卡思自从去了柏林(到现在)还没有打来过电话。”,所以主句用现在完成时。
It was the first time I'd had visitors since I'd moved to London.
...
如题 come up with 后面能不能跟动名词,还是说只能跟名词或代词Psychologists at the University of Texas have come up with keeping girls from developing eating disorders 这句话是有语法错误的对吗? 谢谢老师!
But with kids growing older, the part of being a teen is developing your own identity-one that is separated from your parents'.这里的be separated from 是系表结构还是被动语态?
The main leader of the school system in a local area is called the "superintendent", and the superintendent hires other people, and they hire other people, and eventually you have yourself a school system.请问这里的you have yourself sth 是什么结构?