Grammar Essentials
Master parts of speech and sentence structure
English Grammar Fundamentals
Grammar is the system of rules for using language correctly. It includes parts of speech, sentence structure, and punctuation.
Parts of Speech
Noun: Person, place, thing, or idea (cat, London, happiness)
Verb: Action or state of being (run, sleep, is, become)
Adjective: Describes nouns (beautiful, tall, happy)
Adverb: Describes verbs, adjectives, or other adverbs (quickly, very, well)
Pronoun: Replaces nouns (he, she, it, they, who)
Preposition: Shows relationships (in, on, at, by, under)
Conjunction: Connects words or phrases (and, but, or, because)
Interjection: Expresses emotion (wow, ouch, hey)
Sentence Structure
Simple Sentence: One independent clause. "The cat sat."
Compound Sentence: Two independent clauses joined by conjunction. "The cat sat, and the dog played."
Complex Sentence: One independent and one dependent clause. "While the cat sat, the dog played."
Compound-Complex: Multiple independent and dependent clauses
Verb Tenses
Present Simple: "I walk" — habitual action
Present Continuous: "I am walking" — ongoing action
Past Simple: "I walked" — completed action
Past Continuous: "I was walking" — ongoing past action
Future Simple: "I will walk" — future action
Subject-Verb Agreement
The verb must match the subject in number (singular or plural)
- Correct: "The cat is playing" (singular)
- Incorrect: "The cat are playing"
- Correct: "The cats are playing" (plural)