The rate of heat production depends also in the power being used in the heating element, this power being measured in watts.第一个being是做定语,第二个being是独立分词结构。这两个being都可以省略吗?省略后意思是不是也会随之变化,没有了同时的意思。
It is not uncommon for there ( ) problems of communication betwee the old and the young.A. to beB. being答案A. to be我个人分析(不一定正确,麻烦老师指教)for there to be problems of... there可分析并看作不定式的逻辑主语(there在许多方面具有主语的语法特...
下面这个句中用的be built of,它的用法有点像be made of:The walls were built of dark rough stone. 墙壁由表面粗糙的深色的石头砌成。我的看法对吗?如果对,请问,除了be built of和be made of,还有哪些类似结构?就是与这两个结构相似(意...