As detailed above, how can be an adjective, a noun, a conjunction or an adverb.
What type of word is why and what?
As detailed above, why can be an adverb, an interjection, a noun or a conjunction. Noun usage: A good article will cover the who, the what, the when, the where, the why and the how. ...
When what type of word is?
When can be an adverb, a conjunction, a noun or a pronoun.
What kind of parts of speech is how?
An adverb can modify a verb, an adjective, another adverb, a phrase, or a clause. An adverb indicates manner, time, place, cause, or degree and answers questions such as how, when, where, how much.