With aid of relevant examples,show how members of major word class can change from one part of speech to another through affixation and distribution?

1. Noun to verb:
- Example: "Friend" (noun) can become "befriend" (verb) by adding the prefix "be-".
- Distribution: "Friend" is used as a noun to refer to a person who is attached to another by feelings of affection or personal regard. "Befriend" is used as a verb to describe the act of making someone your friend.

2. Adjective to noun:
- Example: "Happy" (adjective) can become "happiness" (noun) by adding the suffix "-ness".
- Distribution: "Happy" is used as an adjective to describe a feeling of pleasure or contentment. "Happiness" is used as a noun to refer to the state of being happy.

3. Verb to adjective:
- Example: "Create" (verb) can become "creative" (adjective) by adding the suffix "-ive".
- Distribution: "Create" is used as a verb to describe the act of bringing something into existence. "Creative" is used as an adjective to describe someone or something that is able to produce or invent original ideas.

4. Adjective to adverb:
- Example: "Quick" (adjective) can become "quickly" (adverb) by adding the suffix "-ly".
- Distribution: "Quick" is used as an adjective to describe something that is done with speed or in a short amount of time. "Quickly" is used as an adverb to describe how something is done in a fast or speedy manner.