verb
The part of speech of "came" is a verb.
The word "back" can be used as a noun, adjective, adverb, or verb depending on how it is used in a sentence.
"Since" is a conjunction, and "while" can function as both a conjunction and a noun.
That I am is a phrase, the individual words in the phrase are parts of speech. That -- demonstrative, determiner I -- pronoun am -- be verb
"Whiffling" is a verb. It means to move quickly or shift back and forth.
The part of speech of "came" is a verb.
'Came' on its own is a verb, but when it is written as 'came in', it becomes an adverbial phrase.
An adverb of place.
preposition
adverb
preposition
adjective
While is a noun in that sentence.
"Down" in the sentence given is an adverb of direction and modifies the verb "came".
Monotheism is considered to be the part of speech known as a noun. The adjective would be monotheistic while monotheistically would be the adverb.
There are two parts of speech here: our is a pronoun, specifically a possessive pronoun; while atrium is a noun.
Cringe is a verb meaning to shrink back in fear or disgust