Grammar Master – TheWorksheets.CoM – Page 2

Grammar Master - JLPT Sensei

Learn Japanese grammar: ちゃいけない (cha ikenai) / ちゃダメ (cha dame) / じゃいけない (ja ikenai) / じゃダメ (ja dame). Meaning: must not; may not; cannot (spoken Japanese). This grammar is a more casual way to say we should not do / may not do something. To be more formal, you can use てはいけない (te wa ikenai).