In the expression given below identify all the terms.
$5x+8-2(-y)$

Group the like terms together.

$12x, 12, 25x, -25, 25y, 1, x, 12y, y, 25xy, 5x^{2}y, 7x{y}^2, 2xy, 3x{y}^2, 4x^{2}y$

State true or false and give reasons for your answer.

$p{q}^2$ and $-4p{q}^2$ are like terms.

State true or false and give reasons for your answer.

$xy,-12x^{2}y$ and $5x^{2}y$ are like terms.