Free Grammar Guides

52 practical English grammar articles — punctuation, common mistakes, writing tips, and rules. No textbook jargon, just clear examples.

Punctuation & Mechanics

Comma Before 'And': Oxford Comma Rules

When to use the serial comma, style guide positions, and the famous $5M lawsuit.

How to Use Commas: Complete Guide

8 comma rules with examples for every writing situation.

Apostrophe Rules: Possessive, Contraction & Plural

When to add 's, when to add just ', and the its/it's trap.

Semicolon Usage: Connecting Independent Clauses

How semicolons link related thoughts and separate complex list items.

Semicolon Usage Examples: 20 Real Sentences

Real-world examples showing semicolons in action across different writing contexts.

Semicolon vs Comma: When to Use Each

Side-by-side comparison with examples — never confuse them again.

Hyphen vs Dash: En Dash, Em Dash Explained

The three horizontal punctuation marks and when to use each one.

Oxford Comma Rules With Examples

Deep dive into serial comma usage across academic, journalistic, and business writing.

English Punctuation Guide: All 14 Marks

Period, comma, semicolon, colon, dash, hyphen, apostrophe, and more.

Common Grammar Mistakes & Confusing Words

Affect vs Effect: Simple Rule

Affect = verb (action), Effect = noun (result). Exceptions and memory tricks.

Affect vs Effect: In-Depth Grammar Guide

Extended guide with psychology and economics usage examples.

Its vs It's: The Apostrophe Trap

It's = it is. Its = possessive. The one exception to apostrophe-S possession.

Then vs Than: Time vs Comparison

Then = sequence/time. Than = comparison. Never confuse them again.

That vs Which: Restrictive vs Non-Restrictive

Essential vs extra information — the comma test and British vs American differences.

Who vs Whom: Subject vs Object Pronoun

The he/him substitution test — master this in 2 minutes.

Fewer vs Less: Countable vs Uncountable

Supermarket express lanes get this wrong. Here's the actual rule.

Lie vs Lay: The Trickiest Verb Pair

Lie (recline) vs lay (place). Conjugation tables and memory tricks.

Me vs I: Subject vs Object in Compound Phrases

"Between you and me" is correct. Here's why "between you and I" is wrong.

Common Confused Words: 50 Pairs

Accept/except, advice/advise, complement/compliment — complete reference.

Common Grammar Mistakes: Top 20 Errors

Subject-verb agreement, dangling modifiers, comma splices, and more.

Grammar Mistakes Native Speakers Make

Your/you're, there/their/they're, could of — mistakes fluent speakers keep making.

Common Writing Mistakes: Beyond Grammar

Wordiness, passive voice overuse, weak transitions — writing problems, not grammar errors.

Writing Skills & Style

Active vs Passive Voice: When to Use Each

Active voice for clarity, passive for diplomacy and scientific writing.

Parallel Structure: Lists That Flow

Keep verb forms, tenses, and phrase patterns consistent across list items.

Run-On Sentences: How to Fix Them

Period, semicolon, comma + conjunction — 4 ways to fix fused sentences.

Compound Sentences: Joining Independent Clauses

FANBOYS conjunctions, semicolons, and conjunctive adverbs explained.

Topic Sentences: The Anchor of Every Paragraph

How to write strong topic sentences that preview and structure your argument.

Transition Words Guide: 100+ Connectors

Addition, contrast, cause/effect, sequence, and conclusion transitions with examples.

Dangling Modifiers: Identify and Fix

"Walking down the street, the trees were beautiful" — who was walking? Fix ambiguous modifiers.

How to Improve English Writing: 12 Techniques

Read aloud, vary sentence length, cut filler words, use active verbs, and more.

Academic Writing Guide: Structure and Style

IMRaD structure, hedging language, citation integration, and formal register tips.

SEO Writing Guide: Rank Without Sacrificing Readability

Keyword placement, header hierarchy, meta descriptions, and writing for humans first.

Business Email Writing: Professional Communication

Subject lines, tone, structure, and closing conventions for professional emails.

Business Email Grammar Mistakes to Avoid

Common errors that undermine professional credibility in workplace communication.

Email Writing Etiquette: 20 Rules

Reply-all judgment, CC vs BCC, greeting formality, and subject line clarity.

Academic vs Business Writing: Key Differences

Formality level, paragraph length, citation needs, and audience expectations compared.

Proofreading Checklist: 15 Steps Before You Hit Send

Systematic proofreading process — spelling, grammar, consistency, formatting.

Grammar Fundamentals

Subject-Verb Agreement: The Core Rule

Singular subjects need singular verbs. Complex cases: collective nouns, either/or, indefinite pronouns.

English Verb Tenses Guide: All 12 Tenses

Simple, continuous, perfect, perfect continuous — past, present, future. With timelines.

English Articles: A, An, The Explained

Definite vs indefinite articles. When to use no article at all (zero article).

Conditional Sentences: Zero, First, Second, Third

If-clauses, would/could/might, mixed conditionals — all four types with examples.

Modal Verbs Guide: Can, Could, Should, Must, May, Might

Ability, permission, obligation, probability — modal verb meanings and usage.

Prepositions Guide: In, On, At, By, For, With

Time, place, and direction prepositions — the most common patterns and exceptions.

Gerunds vs Infinitives: Verb + -ing or to + Verb

"I enjoy swimming" vs "I want to swim" — which verbs take which form.

English Word Order: SVOMPT Explained

Subject-Verb-Object-Manner-Place-Time — the default English sentence structure.

English Spelling Rules: I Before E and Beyond

Common patterns, exceptions, and why English spelling is so inconsistent.

Language & Tools

American vs British English: Spelling, Vocabulary, Grammar

Color/colour, lift/elevator, collective noun agreement — the systematic differences.

English for Non-Native Speakers: Common Challenges

Article usage, phrasal verbs, countability — the hardest parts of English for ESL learners.

AI vs Human Writing: How to Tell the Difference

Patterns that signal AI-generated text and how to add human voice to your writing.

Best Free Grammar Checker Tools 2026

Comparison of free grammar checking tools — features, accuracy, and limitations.

Flesch Reading Score: Measure Readability

How the formula works, target scores by audience, and how to improve your score.

Words Instead of 'Very': 150 Stronger Alternatives

Very good → excellent. Very bad → terrible. A comprehensive weak-word replacement list.