四、介词和介词短语
介词的分类
介词短语的功能
介词不能独立在句中做成份,介词后必须与名词、代词、或动名词构成介词短语在句中充当一个成分,表示人、物、事件等与其它人、物、事件等之间的关系。
⒈ 做定语
如:They didn't find the solution to the problem.
⒉ 做状语
如:We have breakfast at seven.(表时间)
They were late for the meeting because of the heavy rain.(表原因)
⒊ 做表语
如:What do you mean by doing such a thing?(表方法)
Nothing in the world could live without air or water.(表条件)
⒋ 作宾语补足语
如:I found the old building in a bad condition.
常考介词辨析
介词是英语中最活跃的词类之一,使用频率相当高,其用法跟冠词一样复杂。
⒈ 表示相同或相似概念的介词(短语)的区别