按结构英语介词可分为3类:
1.简单介词(约有70个),如:in,at,on,by,with,down,for,beside,along,across等。
2.分词介词(约15个)如:during,following,considering,regarding,speaking,judging,talking等。
3.成语介词(约有500个)如:out of,apart from(除 之外:别无、尚有),because of,by means of用、依靠等。
按意义英语介词可分为3类:
1. 时间介词,如:at, on, in, during, over, from, for, until等。
2. 地点介词,如:at, on, in, across, to, over, between, inside, outside等。
3. 其它介词,如:by, with, about, except, instead of, due to, apart from等。