精选优质文档-倾情为你奉上高考英语短文改错介词考点 介词是一种用来表示词与词、词与句之间的关系的虚词,在句中不能单独作句子成分。介词后面一般有名词、代词或相当于名词的其他词类,短语或从句作它的宾语。介词和它的宾语构成介词词组,在句中作状语、表语、定语或宾语补足语。介词可分为时间介词、地点介词、方式介词、原因介词和其他介词。Nothing in the world could live without air or water.(状语)This machine is in good condition.(表语)Where is the key to my bike?(定语)She always thinks herself above others.(宾补)一、介词的分类(1)从用法分类介词类型例词例句表示方位at, before, behind, below, etc.There must be something behind it.表示时间about, after, at, before, by, e