Grammar Rules: Quotation marks and Commas/Periods

Misplacement of commas and periods when using quotation marks is one of the most common grammatical errors made by novice writers. The rule is fairly simple:

Commas and periods always go INSIDE the quotation mark:

"I hate eating here," he said.
"That's just stupid," Sara said.
consider the following numbers: "twenty," "fifteen," and "seven."
I like the words "peach," "water," "blue," and "sunny."

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