Give a few examples.
The narration that Queen Galadriel read at the beginning was sindarin.
I started, he started, he started, he started.
The world has changed.
I felt it in the water.
I touch it from the land.
I smell it in the air.
Quenya is used less, so I will give all the examples I can give.
Gandalf's spell outside moglia's door is
Ando Al Dalinwa, Fanta Casarin Wa!
The gate made by the elves follows my instructions, the entrance of the dwarf!
And Gallagher's farewell to her future granddaughter-in-law.
Namali!
see you again
When Frodo raised the light of Earendil in the spider cave, his sentence was also Quinia.
Ah, e? Lendiel Eleni Ang Ankalima!
Salute to the brightest star, Earendil!
The last one was Aragon's song when he ascended the throne.
And Earello endorena utúlien. Hello!
I crossed the ocean and came to Middle-earth, where my children and I will live forever until the end of the world!
Details are listed on this website.
http://www.elvish.org/gwaith/movie_elvish.htm#start