Basic Concepts
In a nutshell: The rules of grammar and usage help you write and speak clearly and correctly.
## Understanding English Grammar
Grammar and usage are the foundation of clear communication. On the ACT English test, you'll encounter questions about subject-verb agreement, pronoun usage, verb tense, and modifiers. It's important to know the rules and recognize common mistakes.
### Key Grammar Concepts
- **Subject-Verb Agreement:** The subject and verb must agree in number.
- **Verb Tenses:** Use the correct tense for actions in the sentence.
- **Pronouns:** Ensure pronouns agree in number and have clear antecedents.
- **Modifiers:** Place descriptive words and phrases near the words they modify.
### Why Grammar Matters
Mastery of grammar ensures that your writing is understood and respected, whether you're composing an essay, sending a professional email, or posting on social media.
### Quick Grammar Tips
- Read sentences carefully to spot errors.
- Trust your ear—if something sounds off, check the rule.
- Break complex sentences into simpler parts.
Examples
- The team *runs* every morning. (Correct subject-verb agreement)
- She gave *her* book to Marcus. (Correct pronoun use)
Key terms
- Modifier
- A word or phrase that describes or gives more information about another word.
- Antecedent
- The noun that a pronoun replaces.