are going is a verb phrase. Are is a be verb, going is a present participle (verb).
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
verb
adverb
Are going is the present progressive tense of the verb go. It is called a verb phrase.
the subject
Frantic is an adjective
He's is a contraction of two parts of speech, he (pronoun) and is (verb) or has (verb). He's (he is) going to the store after he's (he has) finished the housework.
noun, its a person place or thing.
The part of speech for this particular word is a noun.
part of speech
In this sentence "it" is used as the subject of an impersonal verb and is therefore a pronoun.
The part of speech for "answer" is a noun.
adverb