Avoid These 20 Common Grammar Mistakes That Make You Look Unprofessional

Written By Dave Spencer

Writing professionally requires attention to detail, especially when it comes to grammar. Small mistakes can tarnish your credibility and make you appear less competent. This guide will help you identify and avoid 20 common grammar mistakes – let’s go!

Misplacing Commas

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Commas can make or break a sentence. They’re tiny but mighty. In fact, the BBC tells us that comma errors have been known to cost companies millions! For instance, “Let’s eat, Grandma” is quite different from “Let’s eat Grandma.” Correctly placing commas avoids confusion and ensures your writing flows smoothly.

Subject-Verb Agreement Errors

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Mixing up subjects and verbs can really throw off your readers. Picture this: “The team are winning” sounds off compared to “The team is winning.” Matching singular subjects with singular verbs and plural subjects with plural verbs is crucial. It’s a simple rule that keeps your sentences clear and your meaning precise.

Confusing “Its” and “It’s”

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“Its” shows possession, while “it’s” means “it is.” Mixing these up is a common mistake, but it’s an easy one to fix. Here’s a quick trick: If you can replace it with “it is” in your sentence, then “it’s” the right choice. Otherwise, use “its.” This helps keep your writing sharp and professional.

Apostrophe Mistakes

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Apostrophes can be tricky, especially when showing possession or creating contractions. Think of “the dog’s toy” versus “the dogs’ toy.” The first means one dog’s toy, and the second means a toy belonging to multiple dogs. Double-check your apostrophe placement to convey the right meaning and avoid any mix-ups.

Misusing Homophones

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Words like “there,” “their,” and “they’re” sound alike but mean different things. Misusing them can make your writing look careless. Always choose the correct word: “there” for location, “their” for possession, and “they’re” as a contraction of “they are.” If you get these right, you’ll keep your writing looking clear and professional.

Dangling Modifiers

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If you use modifiers, they must be placed next to the word they describe. “Walking to work, the rain drenched me” suggests the rain was walking. Instead, write, “Walking to work, I got drenched by the rain.” This clarifies who was walking and what happened, avoiding confusing imagery. Dangling modifiers can be a nightmare!

Misplaced Modifiers

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Another factor of modifiers is that they should be near the words they modify. Consider “She almost drove her kids to school every day.” This sounds like she rarely drove them. As an alternative, say, “She drove her kids to school almost every day.” It’s only a small change, but it will make your sentences clear and keep your meaning intact.

Pronoun Errors

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You’ll have to match your pronouns to their antecedents in number and gender. If you say, “Everyone brought their book” instead of “Everyone brought his or her book,” it can lead to confusion. Although “they” is becoming accepted for singular use, ensure clarity in your context.

Misusing Semicolons

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Semicolons link closely related independent clauses. They shouldn’t replace commas. “I have a big test tomorrow; I can’t go out tonight” is correct, while “I have a big test tomorrow; and I can’t go out tonight” is not. Use semicolons correctly to show relationships between ideas without confusing your readers.

Inconsistent Tenses

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Texts that jump between past, present, and future tenses can confuse readers. If you start a story in the past tense, keep it there unless there’s a reason to switch. Consistency in tense helps readers follow along and understand the timeline of events you’re describing.

Redundant Phrases

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There’s certainly such a thing as too many words and redundant phrases can make your writing seem bloated. Phrases like “advance planning” or “end result” include unnecessary words. Alternatively, use “planning” or “result.” Every word should add value, not just take up space.

Faulty Parallelism

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Keeping your structure parallel will ensure that similar parts of a sentence are grammatically alike. “She likes reading, to swim, and jogging” feels awkward. Instead, write, “She likes reading, swimming, and jogging.” That’ll keep things more readable and more professional.

Adverb and Adjective Confusion

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An adverb modifies a verb, an adjective, or another adverb, while an adjective modifies a noun. So, if you say, “He runs quick” instead of “He runs quickly,” that would be a mistake. Ensure you use adverbs and adjectives correctly to make your descriptions accurate and your writing polished.

Double Negatives

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Any kind of double negatives will likely confuse your meaning. Phrases like “I don’t need no help” are incorrect and hard to understand. You could try saying, “I don’t need any help.” as an alternative. That will make your intent clear and your writing straightforward.

Misusing Quotation Marks

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Many people misuse quotation marks, especially with punctuation. In American English, periods and commas go inside the quotation marks, like this: “He said, ‘Hello.'” Misusing them can make your writing look unprofessional. Proper quotation mark usage ensures your sentences are clear and correctly punctuated.

Preposition Problems

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A preposition shows the relationships between words. Using the wrong one can change the meaning. For instance, “She is good in math” should be “She is good at math.” Using these prepositions correctly ensures your sentences convey the right relationships and are easily understood.

Sentence Fragments

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An incomplete thought that leaves readers hanging is called a ‘sentence fragment.’ Every sentence needs a subject and a verb to be complete. Rather than writing “Because I was late,” try “I was late because I missed the bus,” making your sentences clearer.

Overusing Passive Voice

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“The report was written by Jane” is less direct than “Jane wrote the report.” That’s an example of the passive voice. Using an active voice makes your sentences more transparent and more engaging. It helps your writing sound more confident and assertive.

Capitalization Mistakes

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Proper capitalization keeps your writing looking clean and professional. On the other hand, incorrect capitalization can make your writing look sloppy. Only capitalize proper nouns and the first word of a sentence. Avoid capitalizing job titles and seasons unless they’re part of a proper noun.

Misusing Colons and Semicolons

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Colons introduce lists or explanations, while semicolons link related independent clauses. Mixing them up can confuse readers. Use semicolons to connect ideas, like “I have a meeting tomorrow; I need to prepare.” Use colons for lists, like “She bought three things: apples, oranges, and bananas.”

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