比较级最高级as...as so...as

as...as ;so...as as...as可以加比较级或者最高级吗 so加“adj./adv.原形还是比较级还是最高级”加as？ as as等于so as.as so. 比较级,最高级一、as.as 固定说法趣填1.as brave as a ______ 2.as busy as a _ so as I'm not so good a singer as you表示比较级原级so..as/as...as的结构 as .as sb could/possible中的adj,adv可以用最高级或比较级么? 比较级和最高级的用法as..as1.the big pear as sweet as the small one.2.t as...as和so...as的区别 as...as 与so ..as 可不可以互换、?