Formal:
* ʻO wau nō: This is the most formal and literal translation, meaning "It is I."
* ʻO wau keia: This translates to "I am this," and is also a formal way to express "I am."
Informal:
* ʻO wau: This is the most common and informal way to say "I am."
* Au: This is a very informal and contracted form of "ʻO wau."
Example:
* "I am a student."
* Formal: ʻO wau nō ke haumāna.
* Informal: ʻO wau ke haumāna.
It's important to choose the appropriate translation based on the situation and your relationship with the person you're speaking to.