Need Some Geometry Homework Help

Hi guys, I'm in 10th grade and I'm in need of some help with Geometry.

Two angles that are congruent are (sometimes, always, always, or never) complementary to the same angle.

Two angles that are complementary to the same angle are (sometimes, always or never) congruent.

Two angles that are vertical are (sometimes, always, or never) nonadjacent.

Two angles that are nonadjacent are (sometimes, always , or never) vertical.

Two angles that are complementary (sometimes, always, never) form a right angle.

Two angles that form a right angle are (sometimes, always, never) complementary.

Two angles that form a linear pair are (sometimes, always, never) congruent.

Two angles that are supplementary are (sometimes, always, never) congruent.

Two angles that are supplementary are (sometimes, always , never) complementary.

Two right angles are (sometimes, always, never) supplementary.

Vertical angles are (sometimes, always, never) complementary.

Angles with a common side and a common vertex (sometimes, always, never) form a linear pair.

Thanks in advance for the help guys!!!