### 1. **Parts of Speech**
- **Nouns:** Names of people, places, things, or ideas (e.g., cat, city).
- **Verbs:** Action or state of being (e.g., run, is).
- **Adjectives:** Describe nouns (e.g., happy, blue).
- **Adverbs:** Modify verbs, adjectives, or other adverbs (e.g., quickly, very).
### 2. **Sentence Structure**
- **Simple...