Free Digital SAT grammar drills covering the conventions that show up most — sentence boundaries, agreement and structure, and transitions — each with a full explanation. Start below, no account required.
Standard English Conventions on the Digital SAT cluster into a small, learnable set of skills. Master these three and you've covered the grammar that actually moves your Reading and Writing score:
Sentence and clause boundaries — periods, semicolons, colons, and commas that separate (or wrongly join) independent clauses. Most “punctuation” misses on the SAT are really boundary mistakes.
Grammatical relationships inside the sentence: subject-verb agreement, pronoun usage, verb tense, and parallel structure. The trap almost always hides the subject far from its verb.
Connecting ideas with the right logical word — however, therefore, for example — between sentences and paragraphs. Read for the relationship, not just which word “sounds right.”
For the complete list, see our SAT Grammar Rules Guide.
Read the entire sentence or passage before you touch the choices — context decides which punctuation or transition is correct. Find the subject and verb in complex sentences first; agreement errors are among the most common. And look carefully at commas vs. periods — they look similar on screen and are easy to swap under time pressure.
When you want a mixed section set, try SAT Reading and Writing practice. Keep Math sharp with SAT Math practice.