This will is future.
This is a demonstrative pronoun and will is a verb or it may be a noun, depending on the rest of your sentence.
But if the whole sentence is something like this: "This will of the late Dr. X was found in the top drawer", then THIS is a demonstrative pronoun and WILL can only be a noun. This is the only way that the two words can be used in a group.
The term "will need" is a verb phrase, made up of the main verb "need" and the auxiliary verb "will" that expresses future for the main verb.
Both will and be are verbs. Will is an auxiliary verb (helping verb) and is in the future tense form. Be is in the infinitive form. Will be is the future tense of the verb to be.
"Will go" is a verb. It's the future tense of go.
"You need" is two different parts of speech. You is a pronoun, and need is a verb.
"will have" is a verb.
It is a verb (future tense of serve).
Served is a verb. It's the past tense of serve.
adverb
what part of speech is work
i want to know what part of speech is camping
what part of speech is beneath
The word "alongside" can serve as both a preposition and an adverb.
Served is a verb. It's the past tense of serve.
"Like" can function as a preposition or a conjunction, while "as" can serve as a conjunction or an adverb.
"were serving" is a verb phrase consisting of the past tense of the verb "to be" (were) followed by the present participle of the verb "to serve" (serving).
The part of speech for "answer" is a noun.
part of speech
The part of speech for this particular word is a noun.
The word "mighty" can serve as both an adjective (e.g., "a mighty warrior") and an adverb (e.g., "hit the ball mighty hard").
The word "knocked" can serve as both a verb (e.g. "She knocked on the door") and a past participle (e.g. "The door was knocked down").
adverb
what part of speech is work
what part of speech is beneath