介词分类:
1 简单介词 about, across, after, against, among, around, at, below, beyond, during, in, on
2 合成介词 inside, into, onto, out of, outside, throughout, upon, within, without
3 短语介词 according to, because of, instead of, up to, due to, owing to, thanks to
4 双重介词 from among, from behind, from under, till after, in between
5 分词转化成的介词 considering(就而论), including
6 形容词转化成的介词 like, unlike, near, next, opposite
at,in on,upon,along.across.through,to,of`````