简单介词：about,across,after,against,among,around,at,before,behind,below,beside,but,by,down,during,for,from,in,of,on,over,near,round,since,to,under,up,with等等.
合成介词：inside,into,outside,throughout,upon,without,within
短语介词：according to,along with,apart from,because of,in front of,in spite of,instead of,owing to,up to,with reguard to
分词介词：considering,reguarding,including,concerning