Questions & Answers about Ku rubuta amsa daidai.
- ku – you (plural); also used for polite singular in some contexts
- rubuta – to write / write!
- amsa – answer, response (a noun)
- daidai – correct, right, exact; correctly
So the structure is literally: You (plural) write answer correct(ly).
In Hausa, the bare verb (e.g. rubuta!) is the singular imperative.
To give a command to more than one person, you normally add ku:
- Rubuta! – Write! (to one person)
- Ku rubuta! – You (all) write! / Please write! (to several people, or politely)
So ku marks that the command is directed to you plural (or polite).