READY TO PASTE: THREE-MINUTE SAT GRAMMAR CHECK Comma or semicolon? Try one original sentence, explain the two clauses, then check a changed sentence. PeakSAT's free three-minute activity includes a student handout and separate teacher key. No student account is needed. Start the activity: https://www.peaksat.com/resources/sat-grammar-bellringer For teachers: show the first question for 45 seconds, discuss the reason for 60 seconds, and use the fresh check for 75 seconds. Ask students to identify clause structure rather than the sound of a pause. Source: PeakSAT. Reviewed October 19, 2026. You may reproduce this original activity in classroom, library, school newsletter and nonprofit advising materials with credit to PeakSAT. A signup, endorsement or followed link is not required. This is a teaching resource, not an official College Board question or a score-improvement claim.