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Grammar › N3 · 03 Conditions and consequences

〜ては: must not; repeatedly

N3 · 03 Conditions and consequences

て-form + は: a negative condition, or repeated action.

〜てはいけない = must not (casual: ちゃ). Repetition: 書いては消す. Negative evaluation: 〜ては困る.

Examples

You must not take photos here.

Writing and erasing, I finally finished it.

Study 〜ては in the course →