🔤Garbl’s Guide to Fixing Common Grammar Errors
Plain-language advice for clearer, more correct sentences
Introduction | Common Sentence Errors | Nouns | Pronouns | Verbs | Modifiers | Prepositions | Conjunctions | Glossary and Resources
Grammar is not most people’s idea of a good time.
Many of us got all the grammar instruction we wanted in school, then met it again while helping our children with homework, getting roped into editing a club newsletter, or trying to explain why we like a favorite author: “I know good writing when I see it.”
That is where grammar becomes useful. Not as a multiple-choice question. Not as a school essay. But as a tool to help us express ourselves and understand what we read.
What this guide covers
Grammar is about how words work together in sentences.
Grammar rules are a bit like traffic rules. They are not meant to force everyone onto the same road or punish writers for taking a different route. They help readers follow where a sentence is going, avoid confusion, and arrive at the meaning the writer intended.
This guide focuses on common grammar errors that can make writing unclear, awkward, or incorrect. It is not a complete grammar textbook. It does not try to explain every rule, exception, or technical term. And it is not meant to replace Garbl’s Editorial Style and Usage Guide.
Instead, this guide looks at common sentence-level grammar problems, such as:
incomplete sentences: Because the meeting lasted three hours.
subject-verb disagreement: The list of changes are long.
wrong pronoun forms: The director thanked Donna and I.
misplaced modifiers: Walking through the park, the monument came into view.
incorrectly joined sentences: The bill passed the House, the Senate has not voted.
The guide will cover other grammar problems, too. But the focus stays on common errors that affect clarity, correctness, consistency, and readability.
Some grammar choices are technically allowed but are still awkward enough to distract readers. This guide leaves room for those judgment calls. But it does not treat every preference, pet peeve, or disputed word choice as a grammar rule.
For questions mainly about word choice, capitalization, spelling, punctuation style, journalistic convention, or AP style, use Garbl’s Editorial Style and Usage Guide. For questions about how words function in sentences or how sentence parts fit together, use this guide.
Sections in this guide:
Grammar basics in plain language
Grammar terms can sound more complicated than they need to be. This guide uses them only when they help explain how a sentence works.
Here are some basic terms used throughout this guide:
Sentence
A sentence is a group of words that expresses a complete thought. A sentence usually has a subject and a verb.
Subject
The subject tells whom or what the sentence is about.
Verb
A verb tells what the subject does or what the subject is. Vote, decide, write, and run show action. Is, are, was, were, and seems show being or condition.
Noun
A noun names a person, place, thing, idea, action, or condition.
Pronoun
A pronoun takes the place of a noun. She, he, it, they, we, me, and them are pronouns.
Adjective
An adjective describes a noun or pronoun.
Adverb
An adverb describes a verb, an adjective, or another adverb.
Preposition
A preposition is a connecting word. It shows the relationship between a noun or pronoun and another word or idea in the sentence. Prepositions often start phrases that tell where, when, how, why, in what direction, or about what. In, on, by, for, from, with, and about are prepositions.
Conjunction
A conjunction joins words, phrases, or parts of a sentence. And, but, or, because, and although are conjunctions.
Modifier
A modifier describes, limits, or adds meaning to another word or group of words. Adjectives and adverbs are common modifiers.
Phrase
A phrase is a group of related words that does not express a complete thought by itself. A phrase can act like a noun, verb, adjective, or adverb.
Clause
A clause is a group of words with a subject and a verb. Some clauses can stand alone as complete sentences. Others need more words to complete the thought.
These terms are tools, not trophies. You do not need to memorize them all before using this guide. The goal is to understand enough grammar to make sentences clearer and easier to read.
When rules have exceptions
Grammar rules help readers follow what a sentence means. They are not meant to make every sentence sound the same.
Sometimes a writer may choose a sentence fragment, an unusual word order, or another nonstandard construction for emphasis, rhythm, or voice. That can work in commentary, fiction, headlines, captions, speeches, and informal writing.
But an exception should help the reader, not trip the reader. The more formal, official, technical, or instructional the writing is, the more useful standard grammar usually becomes.
A good test: If readers are likely to notice the choice more than the meaning, rewrite the sentence.
Introduction | Common Sentence Errors | Nouns | Pronouns | Verbs | Modifiers | Prepositions | Conjunctions | Glossary and Resources


