~てはならない

〜te wa naranai

JLPT N2 Formal Chapter 36: Must and may, 10 of 12

Formation

Verb-て form + はならない

Express prohibition; 'must not', 'cannot', 'should not'.

When to use

Strong, formal prohibition; common in rules, warnings, and formal speech.

Explanation

The ~てはならない grammar point is used to express a strong prohibition. It is often more formal or strict and can be translated as 'must not', 'cannot', or 'should not.'

Example sentences

Permission And Prohibition (May / Must Not)

Corpus examples (60)

Showing 25 of 60 corpus examples.