https://www.khanacademy.org/ela/9th-and-10th-grade-grammar/xf006c25352e869bb:sentences-clauses-and-phrases-9/xf006c25352e869bb:mixed-practice-sentences-clauses-and-phrases-9/e/sentences-clauses-and-phrases-mixed-practice-9 2026-07-13T19:41:05.916442654Z Sentences, clauses, and phrases | Mixed practice Practice identifying and using different types of phrases and clauses; building different types of sentences; identifying and correcting fragments, run-ons, and comma splices; and using and punctuating restrictive and nonrestrictive elements. Amanda M. Leff exercise