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Writing: page 2

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When do words before a noun need a hyphen?

A hyphen can show that two or more words work together as a single description before a noun: a well-lit hallway. The same phrase often needs no hyphen after the noun: The hallway is well lit. Check your dictionary or style guide for established compounds and exceptions rather than joining every adjacent adjective automatically.

Do I always need a comma before and?

No. A comma usually separates two complete clauses joined by and: I measured the opening, and Sam cut the board. It is not normally needed when the same subject simply has two actions: I measured the opening and cut the board. Lists follow their own punctuation conventions, so identify the structure instead of placing a comma before every and.

Do I need quotation marks around a paraphrase?

No, if you have genuinely expressed the source’s meaning in your own wording rather than copied its language. You still need appropriate attribution or citation when using someone else’s ideas in source-based writing. Keep quotation marks for exact borrowed words. Changing a few words inside an otherwise copied sentence is not a reliable substitute for either accurate quotation or independent paraphrasing.

Does a period go inside or outside closing quotation marks?

In standard American prose, commas and periods normally go inside the closing quotation marks: Lena said, “The shelves are ready.” Other marks follow different rules, and citation formats can change the placement of a sentence’s final punctuation. Follow the style expected for the document rather than assuming the American convention applies to every language or publishing system.

Source checks for these answers: September 22, 2026. Product instructions and local requirements can vary.