Grammar Mastery: Parts of Speech, Tenses & Subject-Verb Concord 📚

### The Eight Pillars of the English Language: 1. **Noun**: Naming word (*Abuja, student, integrity*). 2. **Pronoun**: Replaces a noun (*he, she, they, whom*). 3. **Verb**: Action or state of being (*study, inspire, is, become*). 4. **Adjective**: Modifies a noun (*diligent, vibrant, Nigerian*). 5. **Adverb**: Modifies verb, adjective, or adverb (*diligently, very, yesterday*). 6. **Preposition**: Shows relationship of time/place (*under, between, among, in*). 7. **Conjunction**: Joins words or clauses (*and, but, because, although*). 8. **Interjection**: Expresses sudden emotion (*Hurray!, Alas!, Wow!*).