The 50 Most Common English Mistakes With Clear Examples.
Learning English is a long journey, and making mistakes is a natural and necessary part of the process. However, some mistakes appear again and again among English learners of all levels. Understanding these common errors, and why they happen, can dramatically improve accuracy, confidence, and fluency.
This article breaks down the 50 most common English mistakes, grouped by category, with clear explanations and corrected examples you can immediately apply in the classroom or real life.
1. Using the Wrong Verb Tense
Yesterday I go to school.
Yesterday I went to school.
Explanation: Past time expressions require the past simple tense.
2. Forgetting the Third Person “-s”
She work very hard.
She works very hard.
Explanation: In the present simple, verbs add -s for he, she, and it.
3. Confusing Present Perfect and Past Simple
I have seen him yesterday.
I saw him yesterday.
Explanation: Use past simple with finished time expressions like yesterday.
4. Using “Is” Instead of “Are”
There is many students here.
There are many students here.
Explanation: Match the verb with the real subject, not the word “there.”
I don’t know nothing.
I don’t know anything.
Explanation: Standard English uses only one negative per clause.
6. Incorrect Question Formation
You like pizza?
Do you like pizza?
Explanation: English questions usually require an auxiliary verb.
7. Forgetting the Auxiliary Verb
She not understand.
She does not understand.
Explanation: Negatives in the present simple require do / does.
8. Confusing “Much” and “Many”
How much people are there?
How many people are there?
Explanation:
Much → uncountable nouns
Many → countable nouns
9. Incorrect Use of Comparatives
This is more better.
This is better.
Explanation: Do not combine more with comparative adjectives.
10. Using Adjectives Instead of Adverbs
She sings beautiful.
She sings beautifully.
Explanation: Adverbs describe verbs; adjectives do not.
B. Article Mistakes (a / an / the)
11. Missing Articles
I am teacher.
I am a teacher.
Explanation: Singular countable nouns require an article.
12. Using “A” Instead of “An”
A apple
An apple
Explanation: Use an before vowel sounds, not letters.
13. Overusing “The”
I like the music.
I like music.
Explanation: Do not use the when speaking generally.
14. Forgetting “The” with Superlatives
She is best student.
She is the best student.
15. Using Articles with Uncountable Nouns
A advice
Some advice
16. Confusing “In,” “On,” and “At” (Time)
In Monday
On Monday
17. Confusing “In” and “At” (Place)
I am at Lima.
I am in Lima.
18. Using the Wrong Preposition After Verbs
Listen music
Listen to music
19. Using Prepositions Unnecessarily
Discuss about the problem
Discuss the problem
20. Confusing “For” and “Since”
I lived here since five years.
I have lived here for five years.
D. Word Choice & Vocabulary Errors
21. Confusing “Make” and “Do”
Do a mistake
Make a mistake
22. Confusing “Say” and “Tell”
She said me the truth.
She told me the truth.
23. Confusing “Fun” and “Funny”
The movie was very fun.
The movie was very funny.
24. Using False Friends
I am sensible. (meaning “sensitive”)
I am sensitive.
25. Confusing “Borrow” and “Lend”
Can you borrow me a pen?
Can you lend me a pen?
Always I eat breakfast.
I always eat breakfast.
27. Run-On Sentences
I was tired I went home.
I was tired, so I went home.
Because I was late.
I missed the bus because I was late.
29. Missing Subjects
Is raining.
It is raining.
30. Incorrect Use of “Very”
Very I like it.
I like it very much.
F. Plural & Countability Errors
31. Pluralizing Uncountable Nouns
Informations
Information
32. Forgetting Plural “-s”
Two dog
Two dogs
33. Using “Much” with Countable Nouns
Much apples
Many apples
34. Confusing “Few” and “Little”
Few water
Little water
35. Using “One of” Incorrectly
One of the student
One of the students
G. Pronunciation & Spelling Mistakes
36. Silent Letters
Listen (pronounced “lis-ten”)
“Lis-É™n”
37. Confusing Homophones
Their is a problem.
There is a problem.
38. Incorrect Stress
pho-TO-graph
PHO-to-graph
39. Adding Extra Vowels
Eschool
School
40. Confusing “-ed” Endings
I walk-ed (/walk-ed/)
/walk-t/
H. Advanced & Fluency Errors
41. Overusing Passive Voice
The homework was done by me.
I did the homework.
42. Literal Translation from L1
I have 20 years.
I am 20 years old.
43. Overusing Fillers
Like, you know, like…
Clear, direct speech
Strong rain
Heavy rain
45. Mixing Formal and Informal Language
Dear Sir, what’s up?
Dear Sir, I hope you are well.
I. Common Communication Errors
46. Using “Please” Incorrectly
Please can you close the door?
Could you please close the door?
Give me that.
Could you give me that, please?
48. Confusing “Hope” and “Wish”
I wish you come tomorrow.
I hope you come tomorrow.
49. Incorrect Tag Questions
You like it, isn’t it?
You like it, don’t you?
Not speaking at all
Speaking, correcting, improving
Explanation: Mistakes are essential for progress.
Final Thoughts
Mastering English is not about avoiding mistakes—it’s about recognizing patterns, understanding why errors happen, and actively correcting them. This list can be used as:
A classroom worksheet source
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