The same idea sounds different in a text to a friend and a letter to your Principal. Knowing when to switch — and how to disagree without sounding rude — is what this chapter builds.
Formal language avoids short forms and casual words — it is used for teachers, strangers and official letters.
| Informal | Formal |
|---|---|
| Hi! | Dear Sir/Madam, |
| I wanna go. | I would like to go. |
| Can't make it. | I am unable to attend. |
| Thanks a ton! | Thank you very much. |
You can disagree without being rude — the right phrase softens it every time.
💭 Giving an opinion
In my opinion... / I think that... / I believe...
✅ Agreeing
I completely agree. / That's a good point.
🙅 Disagreeing politely
I'm afraid I disagree, because... / I see your point, but...
😐 Blunt disagreement (avoid!)
You're wrong. / That's stupid.
A letter to a friend or relative follows a simple, friendly structure.
| Part | Example |
|---|---|
| Greeting | Dear Riya, |
| Body | the news, questions or story you want to share |
| Closing | Yours lovingly, / With love, |
| Signature | your first name |
12 IEO-style questions on formal/informal language, opinions and letters. 🍀