French grammar rules by category

French Grammar Cheat Sheets, here are some icon ideas that could visually represent each category:

1. Adjectives & Adverbs: A pencil with a checklist or two arrows pointing to different objects (one larger or colored).
2. Articles: An open book or scroll with highlighted sections.
3. Common Mistakes: A warning triangle or exclamation mark inside a speech bubble.
4. Conjugation: A clock or a verb tree, showing different forms of a verb.
5. Everyday French: A speech bubble with "Bonjour!" inside.
6. Sentence Structure: A diagram showing the subject, verb, object in boxes or connected by arrows.
7. Numbers: A row of numbers (1, 2, 3) or a calculator.
8. Prepositions: A location pin or directional arrows around an object.
9. Pronouns: Two silhouettes or speech bubbles with personal pronouns.
10. Pronunciation: A soundwave or a megaphone.
11. Singular / Plural: One object turns into multiple objects (like a cat and multiple cats).
12. Tenses: A timeline or a clock moving from past to future.