Welsh/Mynediad/Lesson 15

Grammar
Mae rhaid i fi astudio nawr.
 * I need to study now.
 * Lit. There is a need for me to study now.

Oes rhaid i ti astudio nawr?
 * Do you need to study now?
 * Lit. Is there need for you to study now?

Does dim rhaid i fi astudio nawr.
 * I don't need to study now.
 * Lit. There is no need for me to study now.