firston Basic wordsalso onCEFR Beginners (A1)? CEFR Elementary (A2)? CEFR Intermediate (B1)? CEFR Upper intermediate (B2)? CEFR Mastery level (C2)? Academic Vocabulary List (AVL)? Academic Chunk List (ACL)? Contributions (SIG)? Band 1 (BND1)? Band 2 (BND2)? firstly firstly(adverb) en primer lugar,primeramente,primero at first at first(expression) في البداية Forms adverbexpression firstly at first