once

on Basic words

also on

• CEFR Elementary (A2)?
• CEFR Intermediate (B1)?
• CEFR Upper intermediate (B2)?
• CEFR Advanced (C1)?
• CEFR Mastery level (C2)?
• Band 1 (BND1)?
• Band 3 (BND3)?

一回,一次, 一旦,一次,曾经, 一旦…就…,一经

• once

  once

  (noun)

  一回,一次
• once

  once

  (adverb)

  一旦,一次,曾经
• once

  once

  (conjunction)

  一旦…就…,一经

Forms

noun	adverb	conjunction
once	once	once