German phrase
Darf ich an die Tafel schreiben?
Meaning
Can I write on the board?
When to use it
This asks if you may write. It is polite in class.
Example dialogue
Darf ich an die Tafel schreiben?
Can I write on the board?
Ja, schreib die Antwort an die Tafel.
Yes, write the answer on the board.