Where to add puncation marks?

apostrophy

it's, let's, she's, they're, I've, don't

quotation marks

"Any further delay," she said, "would result in a lawsuit."

His latest story is titled "The Beginning of the End"; wouldn't a better title be "The End of the Beginning"?

paranthesis

When a parenthetical sentence exists on its own, the terminal punctuation goes inside the closing parenthesis.

She nonchalantly told us she would be spending her birthday in Venice (Italy, not California). (Unfortunately, we weren't invited.)

have a goeed day

Periods comas what punctuation do you mean