Noun is a word that displays anything that is a person, place or event.
Example: The dog (noun) is walking.
Pronoun is a word that replaces a noun or substitutes it.
Example: Carla was talking when she(nominative pronoun) dropped her(possessive pronoun) bag.
Verb is an action word.
Example: The dog is walking (verb).
Adjective is a word that modifies a noun or a pronoun.
Example: The red (adj) huge (adj) plane is flying on the air.
Adverb is a word that modifies noun, pronoun, verb, adjective or an adverb itself.
Example: He always (adv) wakes up in the morning at 5 AM sharp.
Preposition is a word that describes the position of an object or subject in the sentence.
Example. The book is under(pre.) the table.
Conjunction is a word that connects two nouns, sentences, phrases or clauses.
Example: Marlene and(conj) her friend, August took a walk to school yesterday morning.
Interjection is a word that is used to express emotion or feeling in the statement or sentence.
Example: Ugh! My homework isn't done yet.
Argh! I hate doing this.
You look nice, wow!
So she didn't have to look at the lights?
The underlined verb in the sentence is have visited.In this case, the tense of the underlined verb is B. future perfect. Future perfect tense is used to refer to events that would have happened if a possible event has happened first. This is the case of how the verb is used in the sentence