1.She never saw a radiantly beautiful sunset. Adverb modifying an adjective:

Pronoun:

Negative adverb:

2.The raging river overflowed.

Participle used as an adjective modifier:

1.She never saw a radiantly beautiful sunset.

1.She never saw a radiantly beautiful sunset.Adverb modifying an adjective: radiantly

Pronoun: she

Negative adverb: never

2.The raging river overflowed.

2.The raging river overflowed.Participle used as an adjective modifier: raging