介词短语的用法介绍 1. 表语 He was with a friend. 他和一个朋友在一起。 Health is above wealth. 健康胜过财富。 This knife is for cutting bread. 这把小刀是用于切面包的。 注:有些介词(如because of)引出的短语通常只用作状语,不用作表语: 误:His absence is because of the rain. 正:His absence is due to the rain. 他因雨未来。 但是,若主语是代…