Corpus

This is the canon of known good sentences in Na'vi, given out in interviews with Dr. Frommer.

Science Magazine

From Science Magazine (subscription, I'm afraid; retrieved Dec 21 2009). They asked for the word for "science." Frommer replied:

tìftia	kifkeyä
NMLZ-study	world-GEN
the study of the physical world.

Language Log Blog Post

From his Language Log guest blog post (Dec 19 2009).

Oeri	ta	peyä	fahew	akewong	ontu	teya	längu.
1-TOP	from	3-POSS	smell	ADJ-alien	nose	full	be-PEJ
My nose is full of his alien smell.

In the comments:

Tewti,	ma	Prrton!	Plltxe	nga	nìltsan!
wow	VOC	Prrton	speak	you	well
Wow, Prrton! You speak well!

Vanity Fair

Brushing up on the Language of Avatar (Dec 1 2009)

Kaltxì.	Ngaru	lu	fpom	srak?
Hello	you-DAT	be	well-being	Q
Hello, how are you?

Times Online

interview (December 12 2009)

Tsun	oe	ngahu	nìNa'vi	pivängkxo	a	fì'u	oeru	prrte'	lu
able to	1	2-with	ADV-Na'vi	pleasing(?)	ADJ	thing	1-DAT	chat(?)	be
It's a pleasure to be able to chat with you in Na'vi.

Fìskxawngìri	tsap'alute	sengi	oe
this-idiot-TOP	apology	do(?)	1
I apologise for this moron.

Fayvrrtep	fìtsenge	lu	kxanì
this-PL-demon	this-place	be	forbidden
These demons are forbidden here

UGO Movie Blog

interview (Dec 14 2009)

Oel	ngati	kameie
1-A	2-P	see-LAUD
I see you.

Form Letter

(Added Dec 22 2009)

Sent out by Dr. Frommer to his many correspondents interested in the language. He signed off with:

Kìyevame	ulte	Eywa	ngahu.
goodbye	and	Eywa	2-with
See you again, and may Eywa be with you.