I don't know where they're going.

She didn't say that.
(The sentence above is acceptable Na'vi, but it's not the best style. The reason is that they're using forms of the catch-all word 'u, 'thing'—you're talking about saying a thing.)

She didn't say those words.
(She didn't say that.)

You told me that he died.

I asked for silence.

I asked for silence.

I asked for silence.

I asked for silence.

He asked for a new crossbow.

He asked, saying, “Where is Neytiri going?”
(He asked where Neytiri was going.)

He asked where Neytiri was going.

He said, “I want to go.”
(He said he wanted to go.)

She said, “I want to go.”
(She said she wanted to go.)

She said, “I want to go.”
(She said she wanted to go.)

What words did she say?
(What did she say?)

What did she say?
(The sentence above is acceptable Na'vi, but it's not the best style. The reason is that they're using forms of the catch-all word 'u, 'thing'—you're talking about saying a thing.)

I heard they want to leave.

It's not clear why they left.

I asked where Neytiri was going.

He requested the where-is-Neytirigoing answer.
(He asked where Neytiri was going.)

I respectfully request the Dreamhunt.

I respectfully request the Dreamhunt.