To be going to:
I am going to have dinner.
He is going to play basketball.
She is going to go for a walk with her dog.
We are going to make picnic.
He are going to draw his mother.
Because:
I love you, because of your beautiful character.
I want to play football, because I like Messi.
She is so kind, because of her pure soul!
He will be in love with her, because of her beauty.
Their dog is so small, because of it's sort.