Grammar & Mechanics
Free 8th grade grammar & mechanics worksheets. Grade 8 grammar and mechanics aligned to Common Core L.8.1-L.8.6. Nine weeks covering verbals, active and passive voice, verb moods, advanced punctuation, sentence variety, context clues, figurative language, and academic vocabulary.
What's Included
- 5 practice worksheets
- Full answer keys
- Common Core aligned (L.8.1, L.8.2, L.8.3, L.8.4, L.8.5, L.8.6)
- Print-ready PDF format
All Weeks
Grammar & Mechanics
Grammar & Mechanics
Grammar & Mechanics
Grammar & Mechanics
Grammar & Mechanics
Grammar & Mechanics
Grammar & Mechanics
Grammar & Mechanics
Grammar & Mechanics
About Grammar & Mechanics
By eighth grade, the grammar conversation changes. The basic rules — subject-verb agreement, comma placement, complete sentences — are mostly settled (or should be). What’s left is the part that makes writing actually good rather than merely correct: choosing the right tool for the rhetorical job. Active voice or passive? Subjunctive or indicative? Em dash, colon, or comma? These aren’t right-or-wrong questions. They’re style questions, and they’re what separate middle school writers from high school ones.
This program walks through that territory across nine weeks. Week 1 starts with verbals — gerunds, participles, and infinitives — the verb forms that pretend to be other parts of speech. Eighth graders need to recognize them because they show up constantly in formal writing and they’re the basis for understanding more complex sentence structures. Week 2 takes on active and passive voice: how to tell them apart, how to convert between them, and when each one is the better choice. Most writing teachers say “always use active,” but that’s not quite right — passive has its uses, and eighth graders need to learn to choose deliberately.
Week 3 covers verb moods, including the subjunctive, which English-speaking kids tend to overlook entirely. “If I were you” vs “if I was you” — the difference is mood, and it matters in formal contexts. Week 4 moves into advanced punctuation: em dashes, ellipses, and colons. These are the marks that fourth and fifth graders don’t really use but eighth graders should be experimenting with. Week 5 is about sentence variety and rhythm — combining short sentences, breaking up long ones, using coordination and subordination for effect.
The second half of the program shifts toward vocabulary and word choice. Week 6 covers context clues and Greek/Latin affixes, which together give your child a way to decode almost any unfamiliar word. Week 7 is figurative language at a higher level — not just identifying metaphors and similes but analyzing what they do for the writing. Personification, hyperbole, irony, allusion. The week also takes on connotation versus denotation, which is essentially the difference between what a word means and what it makes the reader feel. Week 8 covers academic and domain-specific vocabulary, the formal register your child needs for essay writing and high school content reading.
Week 9 is integration — a cumulative week that pulls from all the previous weeks. The worksheets don’t just review; they ask your child to evaluate and create, combining multiple skills in a single task. This is where the program goes from teaching grammar to building writing instincts.
The whole thing is aligned to Common Core Language standards L.8.1 through L.8.6 and is built for serious eighth graders — students preparing for high school English, homeschoolers wanting rigorous practice, or classroom teachers looking to extend beyond the textbook. Full answer keys for every worksheet, with explanations that go past “the answer is C” into why one choice is better than another.