eitheron Basic wordsalso onCEFR Intermediate (B1)? Band 1 (BND1)? Band 2 (BND2)? 任一, 任何一个, 也,根本, 也,根本,而且 either either(determiner) 任一 either either(pronoun) 任何一个 either either(conjunction) 也,根本 either either(adverb) 也,根本,而且 Forms determinerpronounconjunctionadverb either either either either