onceon Advancedalso onCEFR Elementary (A2)? CEFR Intermediate (B1)? CEFR Upper intermediate (B2)? CEFR Mastery level (C2)? Band 1 (BND1)? Band 3 (BND3)? פעם אחת, פעם, ברגע ש,כאשר once once(noun) פעם אחת once once(adverb) פעם once once(conjunction) ברגע ש,כאשר once in a while once in a while(expression) מדי פעם for once for once(expression) הפעם אחת Forms nounadverbconjunctionexpression once once once once in a while for once