英语介词有好几十个吧。下面是比较常见的：
一、10以a开头的介词
at, after, about, above, around, across, against, along, among, as,
二、10个以b开头的介词
before, but, behind, below, beneath, beside, besides, between, beyond, by
三、5个以o开头的介词
of, off, on (onto), opposite, over
四、5个以t开头的介词
than, through, to, till, toward (towards)
五、5个以u开头的介词
under, underneath, unlike, until, up
六、其他介词
into, during, except, for, from, in, like, near, round, past, since, with, without
七、短语介词
according to, because of, in spite of, next to, in front of, ahead of