Объясни, что такое сложносочинённые предложения.

This document explains what compound sentences are. **Definition:** A compound sentence has two independent clauses joined by coordinating conjunctions: for, and, nor, but, or, yet, so (FANBOYS). **Structure:** Main clause + , + FANBOYS + Main clause **Examples:** * I love shopping, but I don't like crowds. * She went to the store, and she bought new jeans. The document also provides a table that lists the conjunctions, their meanings, and examples of how they are used in compound sentences: | Conjunction | Meaning | Example | | :---------- | :---------------- | :----------------------------------------------------------- | | for | reason | She didn't go shopping, for she was tired. | | and | addition | I bought a T-shirt, and I got a cap. | | nor | negative addition | He didn't buy the jeans, nor the jacket. | | but | contrast | I wanted new shoes, but they were too expensive. | | or | choice | You can buy this one, or wait for a sale. | | yet | contrast | The mall was full, yet we had fun. | | so | result | It started to rain, so we went inside. |