The English language is full of rules and exceptions, which makes it a challenge for many learners. Understanding and avoiding the most common mistakes can significantly improve your accuracy and confidence in English. In this article, we will analyse the ten most frequent mistakes English learners make and provide solutions to help you avoid them.
1. Using the Present Perfect instead of the Past Simple
One of the most common mistakes concerns the use of the Present Perfect and the Past Simple. The Present Perfect is used for actions that have a result or relevance in the present, whereas the Past Simple refers to actions that happened in the past and are finished.[4][5]
Example:
- Wrong: I have seen him yesterday.
- Correct: I saw him yesterday.
Comparison table:
| Use | Present Perfect | Past Simple |
|---|---|---|
| Time frame | Indefinite past connected to the present | Specific time in the past |
| Example | I have been to London before. | I went to London last year. |
2. Its and It’s
Another common mistake is confusing its (possessive) and it’s (contraction of “it is/it has”).
Example:
- Wrong: The dog wagged it’s tail.
- Correct: The dog wagged its tail.
Summary table:
| Word | Use | Example |
|---|---|---|
| It’s | Contraction of it is / it has | It’s going to rain today. |
| Its | Possessive | The cat licked its paw. |
3. Using Much instead of Many
Much is used with uncountable nouns, while many is used with countable nouns. This mistake is very common among learners who confuse the idea of countable and uncountable nouns.
Example:
- Wrong: How much apples do you have?
- Correct: How many apples do you have?
Table:
| Word | Use | Example |
|---|---|---|
| Much | With uncountable nouns | How much sugar is there? |
| Many | With countable nouns | How many books do you have? |
4. Incorrect use of Who and Whom
Who is used as a subject, while whom is used as an object. Although whom is less common in everyday speech, using it correctly is important in formal writing.
Example:
- Wrong: Whom is coming to the party?
- Correct: Who is coming to the party?
Summary table:
| Word | Function | Example |
|---|---|---|
| Who | Subject | Who is going to the meeting? |
| Whom | Object | To whom did you give the book? |
5. Overusing Adverbs
Overusing adverbs can make your writing sound clumsy or overly complicated. Often, adverbs are unnecessary when the main verb is already strong.
Example:
- Wrong: She ran quickly.
- Correct: She sprinted.
6. Using Fewer instead of Less
Fewer is used with countable nouns, while less is used with uncountable nouns.
Example:
- Wrong: There are less cars on the road today.
- Correct: There are fewer cars on the road today.
Table:
| Word | Use | Example |
|---|---|---|
| Fewer | With countable nouns | Fewer students attended the class. |
| Less | With uncountable nouns | Less water was available. |
7. Double negatives
In English, double negatives are considered incorrect in standard grammar. If you use two negative forms in the same sentence, the meaning can become confusing or unintentionally positive.
Example:
- Wrong: I don’t have no money.
- Correct: I don’t have any money.
8. Incorrect placement of the apostrophe
The apostrophe is a frequent source of confusion. It is used to show possession or to form contractions, and placing it incorrectly changes the meaning of the sentence.
Example:
- Wrong: The books’ cover is torn. (for one book)
- Correct: The book’s cover is torn.
9. Confusing Then and Than
Then is used to show time or sequence, while than is used in comparisons.
Example:
- Wrong: She is taller then me.
- Correct: She is taller than me.
Table:
| Word | Use | Example |
|---|---|---|
| Then | Sequence of events | First we went to the park, then to the café. |
| Than | Comparisons | He is stronger than his brother. |
10. Incorrect use of Homophones
Homophones are words that sound the same but have different spelling and meaning. A very common error is confusing their, there and they’re.[11][1]
Example:
- Wrong: Their going to the park.
- Correct: They’re going to the park.
Table:
| Word | Use | Example |
|---|---|---|
| Their | Possessive | Their house is big. |
| There | Location / existence | The book is over there. |
| They’re | Contraction of they are | They’re going to the cinema tonight. |
Conclusion
Grammar mistakes are not something bad; they are part of the learning process. The key to success is practice and attention to detail. By recognising and avoiding these common mistakes, you can improve your English and gain more confidence in both written and spoken communication. If you are looking for a more structured way to learn English grammar, the courses we offer can help you overcome any obstacle and reach the level you want.



