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。