No one can teach writing, but classes may stimulate the urge to write. If you are born a writer, you will inevitably and helplessly write. A born writer has self-knowledge. Read, read, read. And if you are a fiction writer, dont confine yourself to reading fiction. Every writer is first a wide reader.
The ever-present phenomenon ceases to exist for our senses. It was a city dweller, or a prisoner, or a blind man suddenly given his sight, who first noted natural beauty.