GrammarForge

Meet the townsfolk who each keep one rule of grammar — then practice it yourself.

Level 1

Revise the Sentence ✦ new on the web

Apply a grammar rule to actually improve a sentence — fix a run-on, pick a stronger verb, cut the wordiness — then see why the revision works.

Revise the Sentence →

Practice a skill

Five hands-on mechanics — the same ones in the iOS app. Tap, place, and build, with a hint whenever you get stuck.

Punctuation Missions Drop the right mark into the gap. · 14 challenges Style Editing Pick the strongest rewrite. · 14 challenges Clause Combining Join two ideas with the right conjunction. · 16 challenges Grammar Crimes Tap the word hiding the error. · 56 challenges Parts of Speech Sort Label every word’s part of speech. · 8 challenges Sentence Unscramble Tap the shuffled words into the right order to rebuild the sentence · 10 challenges Sentence Combining Turn choppy short sentences into one smooth one — and name the mistakes: comma splice, run-on, wrong connector · 12 challenges

Your look

Pick a colour + a friend. It's free, it's just for fun, and it stays on this device — no name, nothing saved anywhere else.

Colour
Friend

Play together

A two-player pass-and-play word game for the whole family.

Mad-Libs Co-op Take turns supplying a noun, a verb, an adjective… then read the silly story out loud together. Word Duel (pass-and-play) 2–4 players take turns on one device — same questions, highest first-try score wins. A quick grammar face-off.

Choose a kit

Each kit is a short round of questions with hints when you need them. Your progress stays on this device.

Mixed practice — revisit what you’ve learned A short round that shuffles questions from the kits you’ve played, brought back when they’re ready to review. Great for making it stick. Grammar Sprint — a calm speed round → Once you’ve mastered a few kits, race your OWN best on what you already know. Timer optional, no penalty for a miss. Grammar Quest — follow the map → A path through all 16 kits. Clear each stop, then move on — see how far you’ve come. For grown-ups — progress report → A private, on-device snapshot mapped to the grammar skill areas practiced. Export a CSV or print it — nothing leaves this device. Kit 1: Nouns, Verbs, Adjectives Sentence Diagramming · grades 4-5 · 25 questions Kit 2: Pronouns & Antecedent Agreement Grammar Crimes · grades 4-5 · 25 questions Kit 3: Subject-Verb Agreement Grammar Crimes · grades 6-7 · 25 questions Kit 4: Simple, Compound & Complex Sentences Clause Combining · grades 6-7 · 25 questions Kit 5: Commas & Semicolons Punctuation Missions · grades 6-7 · 25 questions Kit 6: Apostrophes: Possession & Contraction Punctuation Missions · grades 4-5 · 25 questions Kit 7: Verb Tense Consistency Style Editing · grades 6-7 · 25 questions Kit 8: Commonly Confused Words Style Editing · grades 6-7 · 25 questions Kit 9: Parallel Structure Clause Combining · grades 8-9 · 25 questions Kit 10: Modifiers: Dangling & Misplaced Grammar Crimes · grades 8-9 · 25 questions Kit 11: Critical Analysis & Evaluation Sentence Diagramming · grades 6-7 · 25 questions Kit 12: Integration & Review Sentence Diagramming · grades 7-8 · 25 questions Kit 13: Cross-Topic Connections Sentence Diagramming · grades 5-6 · 25 questions Kit 14: Real-World Applications Style Editing · grades 6-7 · 25 questions Kit 15: Misconceptions & Reasoning Grammar Crimes · grades 6-7 · 25 questions Kit 16: Advanced Synthesis Sentence Diagramming · grades 7-8 · 25 questions
GrammarForge mascot

Meet the cast — the characters who teach this

Each one stands for an idea you’ll practice. Tap a character to read their illustrated story and hear their audio drama.

Ensemble stories — the cast together

Explore all the stories →

📚 Books for GrammarForge

Read the story, print a workbook, or color the cast — free PDFs to read offline or print at home.

Browse all books →

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