Fall can be used as a verb and a noun.
Verb: e.g. to descend/move to a lower position.
Noun: e.g. a reduction.
yes
One of two verbs (either "to fall" in the Past Tense, or the verb "to fell").
Conjunction
adverb
what part of speech is beneath
to fall is infinite verb.
yes
PREPOSITION
Underwent is a past tense verb.
Noun, and part of an adjectival phrase.
Adjective, as in: This boulder, should it fall, is actually very stoppable.
One of two verbs (either "to fall" in the Past Tense, or the verb "to fell").
One of two verbs (either "to fall" in the Past Tense, or the verb "to fell").
Conjunction
A proper noun; it is the name of the season.
The part of speech for this particular word is a noun.
part of speech