An adverb
i need help
pronoun
The word 'can' is an auxiliary verb. The complete verb is 'can help'. (You can help me...)
part of speech
The part of speech for this particular word is a noun.
The term for knowing a word's part of speech in order to appropriately use it in a sentence is "word-usage."
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
chose the right words to describe the product
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.