这是我从一本书上抄下来的：
英语常用虚词表
[超高频族]
OF TO IN AND
[高频族]
as;from;for;with;that;have;by;on(upon)
[中频族]
A-B系列
about,baove,across,among,ahead,after,a,an,
although,at,also,along,around,always,away,any
up,under,until
before,between,beyond,behind,because
W系列
what,when,(would,could) who (whom,whose)
which,where,why,without,whether
D-O-T系列
down,during,despite,over,off,only,other,out,than,the,then
through,throughout,that(these,this,those),there,therefore,till
其他
S-类：some,such,since,so,can
M-类：many,much,more,may,might,must
E-类：ever,even,every,each
表中各词的多种含义都要掌握。
