10 Common Grammar Mistakes to Look for When Editing
I still remember the first manuscript I edited as a young book editor – it was riddled with common grammar mistakes to look for when editing that completely derailed the story. The author had a great idea, but the execution was marred by pesky errors that made it difficult to follow. As I delved into the world of editing, I realized that these mistakes were not unique to that one manuscript, but rather a ubiquitous challenge that many writers face. It’s a frustrating truth that even the most talented writers can fall prey to grammatical errors that undermine their work.
As someone who has spent years refining manuscripts into bestsellers, I want to share my expertise with you. In this article, I’ll guide you through the process of identifying and correcting common grammar mistakes to look for when editing, providing you with practical advice and real-world examples to help you refine your writing. You’ll learn how to tame those pesky errors and transform your rough draft into a polished, engaging story that captivates your readers. By the end of this guide, you’ll be equipped with the knowledge and skills to confidently edit your work and take your writing to the next level.
Table of Contents
Guide Overview: What You'll Need

Total Time: 1 hour 15 minutes
Estimated Cost: $0 – $0
Difficulty Level: Easy
Tools Required
- Grammar Guide (online or printed)
- Red Pen (for marking mistakes)
Supplies & Materials
- Style Book (e.g., Chicago Manual of Style)
- Dictionary (for verifying word meanings)
Step-by-Step Instructions
- 1. First, let’s start with the basics: verb tense consistency is crucial in maintaining a smooth narrative flow. To tackle this, go through your manuscript and identify all instances where you’ve switched between different verb tenses. Make a note of these transitions and assess whether they’re intentional or not. If not, revise them to ensure consistency throughout the story.
- 2. Next, we’re going to tackle subject-verb agreement. This might seem like a no-brainer, but trust me, it’s a common pitfall even experienced writers fall into. Go through each sentence and verify that the subject and verb agree in number. For instance, if your subject is a singular noun, ensure the verb is also in its singular form.
- 3. Now, let’s move on to pronoun clarity. Pronouns can be notoriously tricky, especially when it comes to maintaining clear antecedents. As you edit, make sure each pronoun clearly refers to a specific noun. If the reference is ambiguous, consider rephrasing the sentence to eliminate any confusion.
- 4. The fourth step involves examining your sentence structure. Varying your sentence length and structure is key to keeping your reader engaged. Look for instances where you’ve used too many short or simple sentences in a row, and consider combining some for better flow. Conversely, if you have sentences that are too long or convoluted, break them down for easier comprehension.
- 5. Another critical area to focus on is comma usage. Commas can significantly affect the meaning of a sentence, and incorrect usage can lead to confusion. Review your manuscript for common comma mistakes, such as missing or misplaced commas in lists, compound sentences, or introductory clauses.
- 6. Sixth, we need to address active vs. passive voice. While there’s a time and a place for passive voice, active voice generally makes for more engaging reading. Identify sections where you’ve used passive voice and consider rewriting them in active voice to improve the narrative’s dynamism.
- 7. Lastly, let’s not forget about modifier placement. Misplaced modifiers can alter the meaning of a sentence and lead to amusing, though incorrect, interpretations. Ensure that each modifier is placed as close as possible to the word it modifies to avoid any confusion. This might involve reordering the words in a sentence or adding punctuation for clarity.
Taming Grammar Mistakes

As we delve into the world of editing, it’s essential to understand that sentence structure best practices can make or break the flow of your story. A well-crafted sentence can convey complex ideas with ease, while a poorly constructed one can lead to confusion. To avoid this, I recommend breaking down long sentences into shorter, more manageable ones, allowing your reader to follow your narrative without getting lost.
When it comes to refining your writing, active voice vs passive voice is a crucial consideration. Using active voice can inject life into your prose, making it more engaging and dynamic. On the other hand, overusing passive voice can lead to a dull, monotonous tone. By applying subject verb agreement rules, you can ensure that your sentences are not only grammatically correct but also clear and concise.
To take your editing to the next level, consider utilizing grammar check tools for writers. These tools can help you identify common punctuation errors, such as misplaced commas or incorrect uses of semicolons. By leveraging these resources and applying editing tips for clarity, you can refine your writing, making it more polished and effective. Remember, the goal of editing is to enhance your story, not to overwhelm it with complexity.
Common Punctuation Errors to Watch
Now that we’ve tackled grammar, let’s dive into common punctuation errors that can trip up even the most seasoned writers. I’ve seen it time and time again: a well-crafted sentence, undermined by a misplaced comma or a missing apostrophe. To avoid this, let’s review the top punctuation pitfalls to watch out for.
Commas, in particular, can be tricky – are you using them to separate items in a list, or to set off a parenthetical phrase? Apostrophes are another common culprit, often misused in possessive nouns or contractions. By being mindful of these potential pitfalls, you can refine your punctuation and take your writing to the next level.
Mastering Subject Verb Agreement Rules
To ensure your writing flows smoothly, it’s essential to master subject-verb agreement rules. This means making sure the subject and verb in each sentence agree in number, either both being singular or plural. A simple mistake here can throw off the entire rhythm of your story. For instance, “The cat chase its tail” should be “The cat chases its tail” – a small correction that makes a big difference.
Let’s practice with some examples. Consider the sentence “The team are winning.” While it might sound correct, the subject “team” is a singular noun, so the verb should be “is,” resulting in “The team is winning.” By paying attention to these details, you’ll strengthen your writing and create a more immersive experience for your readers.
5 Essential Edits to Strengthen Your Writing
- Check for inconsistent verb tenses, as switching between past, present, and future can disrupt the narrative flow
- Watch for modifier mishaps, where adjectives or adverbs are misplaced, leading to confusing or unintentionally humorous sentences
- Ensure pronoun clarity, avoiding ambiguity by making sure it’s clear to which noun a pronoun refers, especially in sentences with multiple characters or objects
- Be mindful of comma splices and run-on sentences, using punctuation to guide the reader through your argument or story without confusion
- Verify the accuracy of homophones, such as ‘their’ vs ‘there’ or ‘affect’ vs ‘effect’, to maintain credibility and precision in your writing
Key Takeaways for a Polished Edit
By methodically reviewing your work for common grammar mistakes, you can significantly enhance the clarity and impact of your writing
Mastering the fundamentals of punctuation and subject-verb agreement is crucial for maintaining your narrative’s integrity and engaging your readers effectively
Remember, editing is not just about correcting errors, but also about refining your story’s arc and ensuring every element, from sentence structure to word choice, contributes to a compelling and cohesive whole
The Editing Epiphany
A single misplaced modifier can shatter the spell of your story, reminding us that even the smallest grammar mistake can have a profound impact on the narrative’s overall resonance.
Eleanor Bishop
Editing with Precision: A Path to Greatness

As we’ve journeyed through the world of common grammar mistakes, it’s clear that mastering the basics is essential for any writer. From taming grammar mistakes to mastering subject-verb agreement rules, and watching out for common punctuation errors, precision is key. By following these step-by-step guides and practicing your editing skills, you’ll be well on your way to transforming your rough drafts into polished prose. Remember, editing is not just about correcting mistakes, but about refining your ideas and clarifying your message.
So, as you continue on your writing journey, keep in mind that every great story is just a series of edits away from being truly remarkable. Don’t be afraid to take out your ‘red pen’ and get to work – with patience, dedication, and a keen eye for detail, you can turn your writing into a work of art that resonates with readers and leaves a lasting impression. By embracing the editing process and striving for excellence, you’ll unlock the full potential of your creativity and produce writing that truly shines.
Frequently Asked Questions
What are the most frequently overlooked grammar mistakes that can make or break a manuscript?
Let’s dive into the top grammar mistakes that can slip under the radar. I’ve seen it time and time again: a misplaced modifier, a dangling participle, or a subtle inconsistency in verb tense can throw off the entire narrative. These sneaky errors can make or break a manuscript, so it’s essential we tackle them head-on.
How can I effectively use grammar check tools without relying too heavily on automation?
To balance grammar check tools with human intuition, I recommend using them as a first pass to identify potential errors, then reviewing each suggested change carefully, considering the context and nuance of your writing. This hybrid approach will help you refine your work without sacrificing your unique voice.
Are there any grammar rules that are commonly misapplied even by experienced writers, and how can I avoid them?
Even seasoned writers can trip up on rules like dangling modifiers or incorrect comma usage. To avoid these missteps, take a step back and re-examine your sentence structure, asking yourself if each phrase is clearly connected and logically ordered. A careful read-aloud can also help you catch these sneaky errors.