That's my favorite flavor!
This was the gourmets favorite restaurant.
they had a dog and it's name is pouchy.
Alice and Bob put their books over there.
You could tell by the child's face that basketball was his favorite sport.
Favorite is a noun in that sentence.
My favorite myth is about Medusa. This is a declarative sentence.
You can create a sentence like this: "As I sat by the river, I watched the reeds sway in the breeze while I read my favorite book." This sentence effectively uses both "reed" and "read" in a natural context.
I went with my parents to the soccer game to watch Mexico vs. Bolivia
Romy and I went to the park, while you and your friend Sharon went skiing.
Satire is my favorite form of comedy - I love making fun of life.
He is my favorite dog.
No. Since we don't know you we can't write a sentence about you. A declarative sentence is a very simple sentence with a period at the end. You could write what your favorite sport, movie, or book is.