Which sentence is punctuated correctly? Before Nate did his homework, he took the dog out for a walk. Before, Nate did his homework, he took the dog, out for a walk. Nate took the dog, out for a walk, before he did his homework. Nate took the dog out for a walk, before he did his homework.

Before Nate did his homework, he took the dog out for a walk. This sentence follows the standard rules for punctuation and maintains a clear and logical structure, making it easy to understand the sequence of actions. As a fun fact, punctuation has evolved significantly over the centuries! Originally, the comma was used more loosely, but today's rules help ensure clarity and precision in writing. So remember, a well-placed comma can be your best friend in conveying the right meaning!