{1} 表地点(包括动向)的介词。
如:About ,above, across, after, along , among, around , at, before, behind, below, beneath, beside, between , beyond ,by, down, from, in, into , near, off, on, over, through, throught, to, towards,, under, up, unpon, with, within , without 等。{2} 表时间的介词。如:About, after, around , as , at, before , behind , between , by, during, for, from, in, into, of, on, over, past, since, through, throughout, till(until) , to, towards , within 等。{3} 表除去的介词。如:beside , but, except等。{4} 表比较的介词。如:As, like, above, over等。{5} 表反对的介词。如:againt ,with 等。{6} 表原因、目的的介词。如:for, with, from 等。