← Back to Grammar
〜てはいけません (te wa ikemasen)
Must not do (Prohibition)
Structure
Verb (Te-form) + はいけません
Explanation
Used to prohibit or indicate that an action is not allowed / strictly prohibited.
Examples
ここでタバコを吸ってはいけません。
Koko de tabako o sutte wa ikemasen.
Smoking is not allowed here.
危ないですから、入ってはいけません。
Abunai desu kara, haitte wa ikemasen.
Since it's dangerous, entering is not allowed.