Cool MateOf course vs Oh yes
When to use each in English, with meaning, register, and examples.
Of course
Top 1,000 (very common)
Oh yes
InformalTop 2,000 (common)
Most formal: Of courseMost common: Of course
| Of course | Oh yes | |
|---|---|---|
| Pronunciation | 🇬🇧 //əv kɔːs//🇺🇸 //əv kɔrs// | 🇬🇧 //əʊ jɛs//🇺🇸 //oʊ jɛs// |
| Meaning | Definitely, it's obvious. | An expression of agreement or excitement. |
| Example | Are you joining us for dinner tonight? Of course! | When she asked if we could go to the concert, I replied, 'Oh yes!' |
| Register | Neutral | Informal |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| Collocations | of course not, of course yes, of course you can, of course it is | Oh yes, indeed, Oh yes, please, Oh yes, that's right |
| Common mistakes | Using it in formal writing where a different expression is needed., Confusing it with other affirmations like 'certainly' or 'definitely'. | Using in formal writing or speeches., Confused with 'oh no' which expresses disagreement or disappointment., Overusing in serious discussions when a calmer response is needed. |
| Usage notes | Used in informal and formal situations to affirm something obvious. Avoid in highly formal writing. | Used in casual conversations to show enthusiasm or agreement. Not suitable for formal contexts. |
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Frequently asked questions: Of course vs Oh yes
What's the difference between Of course and Oh yes?
Of course: Definitely, it's obvious. Oh yes: An expression of agreement or excitement.
Which is more formal: Of course and Oh yes?
Of course is the most formal of these.
Which is more common: Of course and Oh yes?
Of course is the most common in everyday English.
Can you show an example of each?
Of course: Are you joining us for dinner tonight? Of course! Oh yes: When she asked if we could go to the concert, I replied, 'Oh yes!'
Can I use Of course and Oh yes interchangeably?
Not always. Of course and Oh yes are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.