Master SAT Grammar and Punctuation

Find the subject and main verb, then choose the verb form a complete sentence needs: a main verb, or an “-ing”, “-ed” or “to” form that only describes.

30 min · 9 practice problems

Split the sentence at the blank, test whether each side can stand alone, and join two independent clauses with a period, a semicolon, or a comma plus a joining word like “and”.

30 min · 10 practice problems

Find the time clue in the passage (a date, “since”, “by the time”, “today” or the verbs around the blank) and choose the verb tense it calls for.

30 min · 9 practice problems

Learn where the apostrophe goes on SAT nouns: none on a plain plural, ’s for one owner, s’ for several, and ’s on plurals like “children”, with each noun tested on its own.

25 min · 9 practice problems

Set off extra information with a matching pair of commas, dashes or parentheses: find where it starts and ends, cross it out, and close it with the mark that opened it.

30 min · 9 practice problems

Learn when no mark belongs on the SAT: between a subject and its verb, before an object or a list, and before a “that” clause, with one routine for every question.

25 min · 8 practice problems

Match each verb to its true subject: cross out the phrases and extra information between them, find what a “which” or “that” clause describes, and choose singular or plural.

30 min · 10 practice problems

Find the noun a pronoun stands for, match “it” or “they” to its number, and expand “it’s” and “they’re” to tell a contraction from a possessive.

30 min · 10 practice problems

Decide whether a name or a “who” clause says which one and takes no commas, or adds extra information and takes a matching pair, as a “which” clause always does.

30 min · 9 practice problems

Put a colon only after a full sentence, before a list, a phrase or a second sentence that explains it, and separate list items with commas, or with semicolons when they hold commas.

30 min · 9 practice problems

Punctuate “however”, “though” and other transitions on the SAT: cover the word, test the clauses on each side, and put the period or semicolon on the side its meaning calls for.

30 min · 9 practice problems

Fix dangling and misplaced modifiers on the SAT: name who or what an opening phrase describes, then pick the choice that puts exactly that right after the comma.

30 min · 8 practice problems