Yes, it is true that -ing and un- have grammatical meaning.
Hope this helps! :)
All the way agree. Work as hard study hard.
Elise picked a lovely bouquet <u>of flowers.</u> Is Not be a Noun Phrase
<u>The paint on the walls of this room</u> is terrible. Is a Noun Phrase
Desmond finished packing <u>his lunch</u> very quickly. Is a Noun Phrase
<u>While yawning,</u>Davion asked to be excused from dinner. Is Not a Noun Phrase
Answer:
the standards of merciful, selfless, and gentle because of his actions of sacrificing his men, killing the suitors and being ruthless throughout