on Just Publishing Advice:
There is one basic rule for dialogue punctuation.
“Keep your punctuation inside the quotation marks!”
There are a few more technical dialogue punctuation rules.
But when you develop the habit of enclosing your punctuation, you will be right 95% of the time.
In This Article
How to punctuate dialogue
7 Punctuation rules for dialogue
1. Use a comma when the dialogue tag follows the quote
2. All additional punctuation marks inside quotes
3. Capitalize for new sentences
4. Start a new paragraph for a new speaker
5. Use a comma when a tag proceeds the dialogue
6. Multiple paragraphs of dialogue
7. Quotations within a dialogue
Summary
Chris The Story Reading Ape's Blog 
So helpful!
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