else的`用法2：else用来修饰疑问代词(who, whose, what, whoever, whatever)或疑问副词(why, when, where, how),以及以any-, every-, some-, no-与-body,-one,-thing, -where 合成的复合不定代词和much, little, all, a great〔good〕 deal等数量词,在句中作后置定语,但在which后不可用else。
else的用法3：当all, a good〔great〕 deal, a lot, a little, much等与else连用作主语时,谓语动词须用单数形式。
else的用法4：当else后面跟着but, except或besides和一个宾语时, else是多余的,应删去。