According to the definition, the productions of a right linear grammar should have the form of A->xB
$A\to xB$ or A->x
$A\to x$,
does A->B
$A\to B$ or A->xy
$A\to xy$ count as productions of a right linear grammar? A->B
$A\to B$ can be written as A->εB
$A\to \epsilon B$ though...