The word "of" is a preposition. The part of speech for hats is a noun. A noun is a person place thing and idea.
part of speech
Adjective
What part of speech is thaw
The part of speech for oscillate is verb.
An adjective is a part of speech.
In the sentence, "I deplore ugly hats!" the word deplore is a verb; it is a transitive verb, carrying the direct object "hats". It is an action verb.
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
what part of speech is work
adverb
the part of speech sashay is a averb
Did is a verb, and not is an adverb. Didn't is not any part of speech. It's a contraction of did and not.
The word speech is a noun.
Adjective
No, but it's part of a noun which the noun is the part of speech.
Yes, conjunction is a part of speech.