Grammar Mistakes to avoid

Common Grammar Mistakes You Should Avoid

We’ve all been there — typing fast, speaking confidently, or writing an essay, only to realize we’ve made a grammar mistake that completely changes the meaning. Don’t worry, it happens to everyone — even native speakers! But the good news is that once you know the most common grammar mistakes and how to fix them, you’ll sound more professional and confident in your English communication.

In this blog post, we’ll explore the most frequent grammar slip-ups people make in English — from incorrect verb tenses to confusing words that sound the same. We'll also give you examples and quick tips so you can avoid them in your daily conversations and writing.


1. Mixing Up “Your” and “You’re”

This is one of the most common grammar mistakes, even among fluent English speakers.

“Your” shows possession, while “You’re” means you are.

  • Your book is on the table.
  • You’re book is on the table.
  • You’re going to love this movie!
  • Your going to love this movie!
Question for you: Have you ever accidentally used “your” instead of “you’re”? 😅

2. Confusing “Its” and “It’s”

This one’s sneaky! “It’s” is short for “it is” or “it has,” while “its” shows ownership.

  • ✅ It’s a beautiful day. (It is)
  • ✅ The dog wagged its tail. (Possession)
  • ❌ The cat chased it’s toy.

Tip: If you can replace the word with “it is,” use it’s. Otherwise, use its.

Question for you: Can you think of a sentence that uses “it’s” correctly?

3. Using “Then” Instead of “Than”

This is another classic mix-up. “Then” is used for time or sequence, while “than” is used for comparisons.

  • ✅ I’ll call you then. (time)
  • ✅ She’s taller than me. (comparison)
  • ❌ He’s faster then me. ❌

To remember: If you’re comparing two things, use than. If you’re talking about what happens next, use then.


4. Misusing “There,” “Their,” and “They’re”

These three words sound the same but have very different meanings:

  • There – refers to a place or existence (There is a cat outside.)
  • Their – shows possession (Their car is red.)
  • They’re – means “they are” (They’re going to the park.)

A great way to remember: Replace “they’re” with “they are.” If it still makes sense, you’re correct.

Question for you: Which of these three confuses you the most — there, their, or they’re?

5. Apostrophe Confusion

People often add apostrophes when they’re not needed — or forget them when they are! Apostrophes show possession or form contractions, not plurals.

  • ✅ The student’s book (belongs to one student)
  • ✅ The students’ classroom (belongs to multiple students)
  • ❌ The student’s are happy. ❌

Remember: Never use an apostrophe just to make a word plural.


6. Incorrect Verb Tenses

Using the wrong tense can make your writing confusing. Many learners mix up the past and present tenses.

  • ❌ I have saw that movie.
  • ✅ I have seen that movie.
  • ❌ She didn’t went to school.
  • ✅ She didn’t go to school.

Tip: After “did,” always use the base form of the verb (not the past tense).


7. Double Negatives

Double negatives make your sentence confusing and incorrect in standard English.

  • ❌ I don’t need no help. ❌
  • ✅ I don’t need any help. ✅

When you use one negative word (like “don’t”), you shouldn’t use another negative word (“no” or “nothing”) in the same sentence.


8. Misplacing Commas

Commas help structure your sentences, but too many or too few can completely change the meaning!

  • ❌ Let’s eat kids! ❌
  • ✅ Let’s eat, kids! ✅

A comma can save lives — literally. Use them carefully!


Final Tips to Improve Your Grammar

  • Read English books, blogs, or news daily to notice how grammar is used naturally.
  • Use grammar apps like Grammarly or LanguageTool to correct mistakes.
  • Listen to podcasts and repeat sentences to improve sentence structure.
  • Keep a “grammar diary” to note your common errors and fixes.

Consistency is key! The more you expose yourself to correct grammar, the easier it becomes to use it confidently.


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💬 What’s one grammar mistake you’ll fix after reading this? Comment below!

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