1. Adverb is a word that modifies or describes a verb, adjective, or another adverb. It provides more information about the manner, place, time, degree, or frequency of an action or event. Examples of adverbs are quickly, beautifully, here, now, very, often, etc.

2. Passive voice forms of the given sentences are:

a. Music was not being listened by us last night.

b. My motor cycle had been washed by your aunt yesterday.

c. At 7 o'clock today, she will have arrived.

d. Your sister is being met by them right now.

e. The novel will be finished by me next month.

3. Conditional sentences of the given sentences are:

a. If it had not rained this morning, I would not have come late to the school.

b. If the milk had not tasted bad, I would have drunk it.

c. If I had not cooked today, I would have bought some foods in the canteen.

d. If my mother liked pizza, she would eat it.

e. If Rio had written a letter, he would have gone to the post office.

4. The purpose of Descriptive Text is to describe or portray a person, place, animal, or thing in detail. The text aims to provide a clear and vivid picture of the subject being described, using sensory details such as sight, sound, touch, taste, and smell.

5. The generic structure of Narrative Text includes:

a. Orientation: It sets the scene or introduces the characters, time, and place of the story.

b. Complication: It is the problem or conflict that arises in the story and makes it interesting.

c. Resolution: It is the solution or outcome of the problem or conflict.

d. Reorientation: It provides the conclusion or the lesson learned from the story.