Here are the definitions and examples of the different parts of speech you mentioned:

1. Adverb: An adverb modifies or describes a verb, adjective, or other adverb. It provides information about how, when, where, or to what extent an action is performed.

Example: She quickly ran to the store.

1. Preposition: A preposition shows the relationship between a noun or pronoun and another word in the sentence. It indicates location, time, direction, manner, or possession.

Example: The book is on the table.

1. Conjunction: A conjunction is used to connect words, phrases, or clauses in a sentence. It shows relationships between ideas, such as addition, contrast, cause and effect, or time.

Example: I like both tea and coffee.

1. Interjection: An interjection is a word or phrase that expresses strong emotions or sudden exclamations. It is usually followed by an exclamation point.

Example: Wow! That’s amazing!
It’s important to note that these parts of speech can often be used in various ways within a sentence, and their function can change depending on the context.