Plain-English grammar, one guide at a time.
Detailed grammar guides for real editing decisions — punctuation, word choice, sentence structure, spelling, and professional writing.
Academic Writing Words for Precise Claims
A precision guide for academic word choice, including imply/infer, e.g./i.e., allude/elude, and stronger alternatives to vague intensifiers.
Similar-Sounding Words That Change Meaning
A writing guide for similar-sounding words such as bemused/amused, elicit/illicit, envy/jealousy, and poisonous/venomous.
Action and State Verbs
A verb-focused writing hub for action verbs, state verbs, gerunds, infinitives, lay/lie, breath/breathe, and tense choices.
Business Email Vocabulary for Clear Workplace Writing
A practical workplace writing hub for choosing precise business email words, fixing tone mismatches, and editing requests, updates, and follow-ups.
Commonly Misspelled Word Combinations
A spelling-focused hub for word combinations such as lose/loose, where/were, a lot/allot, and apostrophe pairs in public copy.
Core Sentence Rules for Stronger English
A sentence-structure pillar page covering subjects, verbs, agreement, fragments, run-ons, modifiers, articles, clauses, and parallel structure.
English Punctuation Marks as Editing Signals
A punctuation pillar page for commas, semicolons, colons, apostrophes, quotation marks, hyphens, and boundary decisions in English writing.
Exact Homophones: Same Sound, Different Meaning
A homophone decision guide for words that sound the same but carry different meanings, including to/too/two, weather/whether, and principal/principle.
Modal Verbs for Ability, Permission, and Certainty
Learn modal verbs for ability, permission, obligation, probability, advice, polite requests, and conditional meaning with examples.
Movement and Direction Words in English
A direction-focused writing hub for emigrate/immigrate, farther/further, into/in to, and other movement words in practical English.
Possessives and Contractions With Apostrophes
A practical apostrophe hub for its/it's, your/you're, their/there/they're, whose/who's, possessive forms, and contraction tests.
Prepositions and Spacing in English Word Pairs
A spacing and preposition hub for a lot, any time, every day, into/in to, login/log in, setup/set up, and related patterns.
Pronoun Cases for Clear Sentence Roles
A practical pronoun case hub for I/me, who/whom, whoever/whomever, relative clauses, and subject/object roles in polished essays, reports, and emails.
Quantity and Comparison Wording
A practical guide to quantity and amount wording, including fewer/less, between/among, count nouns, mass nouns, and group comparisons.
Time and Progression Words for Clear Sequence
A sequence-focused writing hub for then/than, passed/past, tense consistency, and time markers that guide readers through events.
Active vs Passive Voice: Choosing Emphasis
Active vs Passive Voice: Discover when to use each voice to strengthen your writing. Learn real-world editing strategies for business, academic,...
Affect vs Effect: The Complete Guide
Master the difference between affect and effect with examples, rules, and a free grammar checker. Affect is usually a verb; effect is usually a noun.
Continually vs Continuously: Stop Confusing Them
Continually vs Continuously: Learn to distinguish repeated actions from unbroken duration. Master the grammatical differences with memory tricks...
Fewer vs Less: The Edited Default and Its Exceptions
Fewer vs less: use fewer as the edited default for counts and less for amounts, while accounting for accepted count-noun uses of less.
Historic vs Historical: What's the Difference?
Historic vs Historical: Learn how to choose between these commonly confused adjectives with definitions, memory tricks, usage notes, and clear...
Hyphen, En Dash, and Em Dash: The Complete Guide
Learn when a hyphen joins words, an en dash marks a range or relationship, and an em dash marks a break in a sentence, with clear examples.
In vs On vs At for Time and Place
Choose in, on, or at for time and place with a practical scope-and-specificity guide, common idioms, and documented checker limits.
Its vs It's: What's the Difference?
Its vs it's: IT'S always means 'it is' or 'it has' (it's raining). ITS shows possession with no apostrophe (the cat licked its paw).
Run-On Sentences: Fix Comma Splices and Fused Sentences
Run-on sentences: Learn to identify and fix fused sentences and comma splices. Use periods, semicolons, or conjunctions to separate complete thoughts.
Subject-Verb Agreement: Rules & Tricky Cases Explained
Subject-verb agreement: Singular subjects need singular verbs, plural subjects need plural verbs. Master tricky cases like collective nouns and...
Their vs There vs They're: The Simple Rule
Their shows possession, there marks place or existence, and they're expands to they are. Use three sentence-job tests and documented checker limits.
Your vs You’re: The Simple Rule
Your vs you're: YOUR shows possession (your book). YOU'RE is 'you are' (you're welcome). Expand the contraction to check: Does 'you are' work?
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Focused Grammar Guides
Use these focused guides when a single high-frequency grammar decision is blocking an edit.
Subject-Verb Agreement
Match the verb to the true subject, not the nearest noun.
Run-On Sentences
Fix comma splices, fused sentences, and long clauses that need clearer joining logic.
Affect vs Effect
Separate influence from result in reports, analysis, policy summaries, and everyday writing.
Their vs There vs They're
Choose the right form for ownership, location, existence, or they are.
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