When NOT to use Commas- Between two clauses with the same subject when the subject is not repeated.

When NOT to use Commas- Between two clauses with the same subject when the subject is not repeated.

• Steve is sixty-five years old and runs three miles daily.
• Correct sentence structure: “Steve is sixty five but runs three miles every day.”
• Incorrect sentence structure: “Steve is sixty five, but runs three miles every day.”
• The subject should not be repeated in a sentence.