Commas With Parenthetical Information on the SAT® and ACT® Exams

Commas With Parenthetical Information on the SAT® and ACT® Exams
Learn how to identify commas with parenthetical information so you can ace grammar on the SAT and ACT.
Commas With Parenthetical Information on the SAT® and ACT® Exams
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Important SAT Update: Transition to Digital SAT
Effective December 3, 2023, the traditional paper-and-pencil format of the SAT has been discontinued. Starting in 2024, all students are required to take the Digital SAT, ushering in substantial changes in duration, format, material coverage, and question types. This shift to the Digital SAT represents a departure from traditional testing methods. It is crucial for students, educators, and test-takers to acquaint themselves with the new examination structure. Read more about the Digital SAT here.

Both the SAT and ACT exams test whether students know that a pair of commas can set off parenthetical (extra, nonessential) information from the rest of the sentence. Doing so indicates that the information is nonessential and could be removed from the sentence without changing its meaning.

Occasionally, that extra information interrupts introductory information and the independent clause.

With friends around her, celebrating her award, she was happy.

Mostly, the SAT and ACT exams test your understanding of parenthetical information that interrupts the subject and predicate (main verb and all the information included with it). That extra information can be fit into a variety of categories:

  • Definitions
That blue jean material, or cotton denim, would be good for making a pillow
  • Prepositional phrase
My friend, along with her family, invited me to celebrate Thanksgiving with them.
  • Noun phrase
Most guys, my brother in particular, are protective of their sisters.
  • Participle phrase
His identity, once known, was revealed by the FBI.
  • Clause (subject and verb).
The key to effective teaching, educators believe, is to interest students in the subject.

When parenthetical information appears on the SAT and ACT exams, the sentences usually already contain one comma before or after the parenthetical information. That comma helps you recognize that there needs to be another comma, not a different punctuation mark, on the other side of the parenthetical information.

The SAT and ACT exams try to distract students by removing the other comma, putting the comma in the wrong spot, or replacing the comma with another punctuation mark.

The best choice, under the circumstances is to not say anything.

If you need more practice with comma and other punctuation questions, use the released tests provided by the College Board and ACT or practice online with exam-like questions at websites like UWorld .

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