verb
The action in a sentence is the part of speech known as a verb.
it depends what word it is it could be any part of speech depending on the sentence
regular speech
The word hear is a verb. The past tense is heard.
All subjects are part of speech for they are all nouns.
What part of speech is the word freely in freely enjoying the water
you
Pronoun
Noun
Him is a pronoun.
a sentence is a part of speech
Why is the beginning of a interrogative sentence.