Since is an adverb, preposition or a conjunction
As an adverb - she at first refused, but has since consented...
As a preposition - It has been warm since noon'...
As a conjunction - He has been busy since he came...
part of speech
Adjective
What part of speech is thaw
Since it modifies "shovel" it is an adjective.
The part of speech for oscillate is verb.
I believe that 'SINCE' is a preposition
Since bread is a "thing", it is a noun.
That is an adjective since it describes boys. which boys?? these boys
"Since" is a conjunction, and "while" can function as both a conjunction and a noun.
It is a verb, since it shows an action (e.g. He taunts her).
"Since" can function as both a conjunction, introducing a reason or explanation, and as an adverb, indicating a specific point in time.
"Again" is an adverb, since it describes an action.
Normandy is a proper noun, since it is the name of a specific place.
True is an adjective since it describes a noun, like a true fact.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.