Use parentheses to set off structurally independent elements examples: the patterns were significant (see figure 5) (when a complete sentence is enclosed in parentheses, place punctuation in the sentence inside the parentheses, like this. The period is a strong punctuation mark—think of it as controlling the action in the sentence, which occurs outside the parentheses 2 when a whole sentence falls inside parentheses, the period goes inside. Periods go inside parentheses only if an entire sentence is inside the parentheses example: please read the analysis (you'll be amazed) this is a rule with a lot of wiggle room an entire sentence in parentheses is often acceptable without an enclosed period: example: please read the analysis (you'll be amazed.
Whatever the material inside the parentheses, it must not be grammatically integral to the surrounding sentence if it is, the sentence must be recast this is an easy mistake to avoid it should neither be capitalized nor end with a period—though a question mark or exclamation point is acceptable.
Place a period outside a closing parenthesis if the material inside is not a sentence (such as this fragment) (an independent parenthetical sentence such as this one takes a period before the closing parenthesis. Use brackets inside parentheses to create a double enclosure in the text avoid parentheses within parentheses, or nested parentheses correct: (we also administered the beck depression inventory [bdi beck, steer, & garbin, 1988], but those results are not reported here) blewett on punctuation junction: parentheses and brackets. Use a period inside of the closing parenthesis to indicate that the sentence within the parentheses is ending use a period outside of the closing parenthesis to indicate that the sentence in.
If so, place the period inside the closing parenthesis if the parenthetical material is part of another sentence, place the period outside the closing parenthesis sometimes the parenthetical material is part of a longer sentence part that will be set off by a comma, colon, or semicolon.
If the words inside the parentheses aren't a complete sentence, the period, question mark, or exclamation point that ends the sentence goes after the parenthesis: squiggly likes chocolate (and nuts. Proper placement of the period with parentheses if the parenthetical is itself an entire sentence, the period is placed inside the closing parenthesis their house was the largest one on the block (it also happened to be the ugliest) proper placement of the period with quotation marks.
Place the period logically when parentheses are involved in the first example, the period goes outside because the single sentence ends after the parentheses in the second example, it goes inside because it belongs to the second sentence.
Parentheses, brackets, and braces the exclamation point would go inside the closing parenthesis and then a period would go outside: “i ate the whole box of donuts (i can’t believe it)” that works, but i often recommend making the sentence inside parentheses a complete sentence on its own that follows the first sentence make sure. Parentheses parentheses (always used in pairs) allow a writer to provide additional information the parenthetical material might be a single word, a fragment, or multiple complete sentences whatever the material inside the parentheses, it must not be grammatically integral to the surrounding sentence if it is, the sentence must be recast. Parentheses (always used in pairs) allow a writer to provide additional information the parenthetical material might be a single word, a fragment, or multiple complete sentences whatever the material inside the parentheses, it must not be grammatically integral to the surrounding sentence.