Then vs Than: What's the Difference? Complete English Grammar Guide with Rules, Examples & Common Mistakes
Many English learners confuse Then and Than because they look and sound similar. However, these two words have completely different meanings and grammatical functions. Using the wrong one can change the meaning of your sentence and make your writing appear less professional.
Whether you're preparing for the IELTS, TOEFL, PTE, competitive examinations, academic writing, business communication, or simply improving your everyday English, understanding the difference between Then and Than is essential.
📖 What You'll Learn
- ✅ Meaning of Then
- ✅ Meaning of Than
- ✅ Grammar rules explained simply
- ✅ More than 80 real-life examples
- ✅ Common mistakes learners make
- ✅ IELTS Writing & Speaking tips
- ✅ Academic English usage
- ✅ Business English examples
- ✅ Practice exercises
- ✅ Quiz with answers
- ✅ Frequently Asked Questions
Understanding Then
Then is mainly an adverb. It refers to time, sequence, order, or what happens next.
Simple Definition
Then means:
- After that
- Next
- At that time
- In the following step
Examples of Then
I finished my homework, then I watched television.
Wash your hands, then eat dinner.
She smiled and then walked away.
Complete Step One, then continue to Step Two.
Back then, smartphones didn't exist.
I'll call you, and then we'll discuss the project.
Understanding Than
Unlike Then, Than is a conjunction (and sometimes a preposition). It is used when making comparisons.
Simple Definition
Than means:
- Compared with
- In comparison to
- Rather than
- Different from
Examples of Than
My brother is taller than me.
Gold is more valuable than silver.
She speaks English better than I do.
Walking is healthier than driving short distances.
This phone costs less than that one.
He knows more grammar than I expected.
Quick Comparison
| Then | Than |
|---|---|
| Refers to time | Used for comparison |
| Means "next" | Means "compared with" |
| Usually an adverb | Usually a conjunction |
| Sequence of events | Comparing people or things |
Grammar Rules for Then and Than
Although Then and Than differ by only one letter, they belong to different parts of speech and perform completely different grammatical functions. Understanding these functions will help you avoid one of the most common English grammar mistakes.
Rule 1 — Use Then for Time or Sequence
Use Then whenever something happens after another event.
First finish your homework, then go outside.
Mix the ingredients, then bake the cake.
She answered the phone and then left the office.
Rule 2 — Use Than for Comparisons
Whenever two people, objects, ideas, or quantities are being compared, use Than.
John is taller than David.
This road is wider than the old one.
She studies more than her brother.
Sentence Structures
Using THEN
- First..., then...
- After..., then...
- Do A, then B.
- Back then...
- Until then...
Using THAN
- More than
- Less than
- Better than
- Older than
- Rather than
Common Mistakes
❌ Incorrect
She is smarter then her sister.
✅ Correct
She is smarter than her sister.
❌ Incorrect
Wash your hands than eat dinner.
✅ Correct
Wash your hands then eat dinner.
Memory Tricks
Remember THEN
Think of the letter E in Then as standing for Event or Next Event.
If the sentence talks about time or order, use Then.
Remember THAN
Think of the letter A in Than as standing for Comparison.
Whenever you compare two things, choose Than.
IELTS & Academic Writing Tips
- ✅ Use than after comparative adjectives like better, worse, larger, smaller, faster, slower, higher, lower, stronger, weaker.
- ✅ Use then to describe processes, stages, historical events, experiments, or sequences.
- ✅ Task 1 process diagrams frequently require then.
- ✅ Task 2 comparison essays often require than.
- ✅ Mixing these words is considered a grammar error and may lower your IELTS writing score.
Quick Summary
| THEN | THAN |
|---|---|
| Time | Comparison |
| Next | Compared with |
| Sequence | Contrast |
| Adverb | Conjunction / Preposition |
Real-Life Examples of Then vs Than
Understanding grammar rules becomes much easier when you see them used in real conversations and practical situations. The following examples demonstrate how native English speakers correctly use Then and Than in everyday communication.
Everyday Conversation Examples
Using THEN
- I'll finish work, then I'll meet you.
- Brush your teeth, then go to bed.
- She smiled, then walked away.
- Open the app, then click Continue.
- First study Chapter 1, then Chapter 2.
- Back then, life was much simpler.
- We'll eat dinner and then watch a movie.
- Complete the form, then submit it.
- I was younger then.
- Until then, stay safe.
Using THAN
- My house is bigger than yours.
- She works harder than anyone else.
- This laptop is cheaper than that one.
- Walking is healthier than driving.
- English is easier than many people think.
- Today is warmer than yesterday.
- He arrived earlier than expected.
- I know more grammar than last year.
- Reading is better than scrolling social media.
- Nothing is more important than honesty.
IELTS Writing Examples
The government should first improve public transportation, then invest in electric vehicles.
Students who read regularly usually achieve higher examination scores than those who rarely read.
The experiment was conducted in three stages. Researchers collected data first, then analyzed the results.
Renewable energy is more sustainable than fossil fuels.
Business English Examples
THEN
- Review the report, then email it to the client.
- Finish today's meeting, then begin tomorrow's planning.
- Sign the contract, then submit the payment.
- Interview the candidates, then make your decision.
- Update the software, then restart your computer.
THAN
- Our company performed better than last year.
- This solution is more cost-effective than the previous one.
- Sales increased faster than expected.
- Customer satisfaction is higher than before.
- Hiring experienced staff is better than constant training.
Academic English Examples
- The researchers collected the samples, then examined them under a microscope.
- The second method proved more accurate than the first.
- Participants completed the questionnaire, then attended an interview.
- Urban populations are growing faster than rural populations.
- The results were reviewed, then published in an international journal.
- The new algorithm is significantly faster than older models.
Advanced Grammar Patterns
Pattern 1
Do something, then do something else.
Example: Mix the flour, then add the eggs.
Pattern 2
Comparative adjective + than + noun.
Example: My car is faster than yours.
Pattern 3
More / Less + adjective + than
Examples
- More expensive than
- Less interesting than
- More useful than
- Less difficult than
- More reliable than
Mistakes You Should Never Make
- ❌ She is smarter then me.
- ✅ She is smarter than me.
- ❌ Finish your homework than go outside.
- ✅ Finish your homework then go outside.
- ❌ Gold is more valuable then silver.
- ✅ Gold is more valuable than silver.
- ❌ Open the file than print it.
- ✅ Open the file then print it.
Mistakes You Should Never Make
- ❌ She is smarter then me.
- ✅ She is smarter than me.
- ❌ Finish your homework than go outside.
- ✅ Finish your homework then go outside.
- ❌ Gold is more valuable then silver.
- ✅ Gold is more valuable than silver.
- ❌ Open the file than print it.
- ✅ Open the file then print it.
Multiple Choice Quiz
1. Which sentence is correct?
- A. She is taller then me.
- B. She is taller than me.
- C. She is then taller me.
- D. She taller than.
2. Which word refers to time?
- A. Than
- B. Then
- C. Both
- D. Neither
3. Which sentence is correct?
- A. Eat dinner than watch TV.
- B. Eat dinner then watch TV.
- C. Than eat dinner.
- D. Then than TV.
4. "Better ______ expected."
- A. Then
- B. Than
- C. Both
- D. None
5. Which word is used for comparisons?
- A. Then
- B. Than
- C. Both
- D. Neither
Quiz Answers
Exercise Answers
- Then
- Than
- Then
- Than
- Then
- Than
- Then
- Than
- Then
- Than
MCQ Answers
1. B
2. B
3. B
4. B
5. B
Frequently Asked Questions (FAQs)
Is "Then" ever used for comparison?
No. Then refers to time, sequence, or what happens next. It should never replace Than in comparative sentences.
Can "Than" begin a sentence?
Generally, no. "Than" usually follows comparative adjectives or adverbs such as better, more, less, taller, faster, bigger, and similar words.
Why do learners confuse Then and Than?
Because the words look and sound similar. However, their meanings and grammar functions are completely different.
Will using the wrong word affect IELTS Writing?
Yes. Using Then instead of Than (or vice versa) is considered a grammar mistake and may reduce your Grammatical Range and Accuracy score.
How can I remember the difference quickly?
Remember this simple trick:
- 🔵 Then = Time
- 🟢 Than = Comparison
Key Takeaways
- ✅ Then refers to time, order, or sequence.
- ✅ Than is used for comparisons.
- ✅ Never use Then after comparative adjectives.
- ✅ Never use Than when describing the next step in a process.
- ✅ Mastering these words improves your English grammar, IELTS Writing, academic writing, business communication, and everyday conversations.
- ✅ Regular practice with real-life examples is the fastest way to remember the difference permanently.