hanamaru
Say something is not allowed
It tells someone they must not do something.
JLPTN5
Verb (て-form) + はいけません~ te wa ikemasen
must not do [something]
Take a verb's て-form and add はいけません to give a firm prohibition, like a rule or an order. The polite はいけません can become はいけない in casual speech. Note that は here is the topic marker, pronounced wa.
Tips and Common Traps
Hana· Key point
You'll hear and see this pattern everywhere rules are posted — on signs, in classrooms, at museums. Recognizing it means you'll always know what's off limits.
