08/08/2013
I think this just about covers it!
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Tag following quoted dialog:
"That's fine. Whatever you decide," he said.
"That's fine. What does she think?" he said.
Tag preceding quoted dialog:
He said, "That's fine. Whatever you decide."
He said, "That's fine. What does she think?"
Tag between two separate dialog sentences:
"That's fine," he said. "Whatever you decide."
"That's fine," he said. "What does she think?"
- or -
"That's fine." He said, "Whatever you decide."
"That's fine." He said, "What does she think?"
Tag interrupting a dialog sentence:
"That," he said, "is fine. Whatever you decide."
"That, "he said, "is fine. What does she think?"
Dialog without a tag, but with an associated narrative sentence
Narrative sentence following quoted dialog:
"That's fine. Whatever you decide." He shrugged.
"That's fine. What does she think?" He shrugged.
Narrative sentence preceding quoted dialog:
He shrugged. "That's fine. Whatever you decide."
He shrugged. "That's fine. What does she think?"
Narrative sentence between two separate dialog sentences:
"That's fine." He shrugged. "Whatever you decide."
"That's fine." He shrugged. "What does she think?"
Dialog ending with an exclamation point, ellipsis, or emdash follows the same pattern as the question mark.
http://www.absolutewrite.com/forums/showthread.php?t=133858
Dialog Punctuation and Capitalization Grammar and Syntax