基本信息
一、介词的分类与语法功能 介词是虚词,不能单独作句子成分,必须与名词、代词(或相当于名词的其他词类或短语等)构成介词短语,在句中充当一个成分。 介词分为:简单介词,如at,in,for等;合成介词,如within,inside,onto,throughout等;短语介词,如according to,out of,by means of,in spite of,instead of等; 双重介词,如from behind /above /under,until after等; 分词介词,如considering,including,judging (from/by) 等。