Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
of course I do
Grammar usage guide and real-world examplesUSAGE SUMMARY
"of course I do" is a correct and usable phrase in written English.
You can use it to express agreement or acceptance to a statement or situation. For example, if a friend asked you if you wanted to go to the movies, you could reply, "Of course I do!".
✓ Grammatically correct
News & Media
Alternative expressions(20)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
MR: Of course, I do.
News & Media
Of course I do.
News & Media
"Of course I do," he said.
News & Media
"Of course I do," Don tells her.
News & Media
Do you moisturise? "Of course I do!
News & Media
Now, of course, I do not.
News & Media
Of course I do," Acta said.
News & Media
Of course, I do everything for money.
News & Media
But of course I do care".
News & Media
"Of COURSE, I do you arsehole.
News & Media
Of course I do, of course I do".
News & Media
Expert writing Tips
Best practice
When aiming for a more formal tone, consider using alternatives such as "certainly I do" or "indeed I do".
Common error
While "of course I do" is a valid expression, avoid using it excessively in conversation or writing. Overuse can make your responses sound repetitive or insincere. Vary your responses with alternatives like "absolutely", "certainly", or simply "yes" to maintain a natural and engaging tone.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "of course I do" serves as a strong affirmative response, indicating agreement, acceptance, or confirmation. Ludwig AI indicates it's a correct and usable phrase. It implies that the speaker's agreement is both obvious and natural.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "of course I do" is a commonly used and grammatically sound way to express agreement or affirmation. Ludwig AI confirms its usability in various contexts. While primarily found in news and media sources, its versatility makes it suitable for many everyday conversations. Alternatives such as "certainly I do" or "absolutely I do" can provide slight variations in tone and emphasis. Be mindful of overuse to maintain sincerity, and consider the context to ensure your response aligns appropriately with the level of formality required.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
certainly I do
Replaces "of course" with "certainly" offering a slightly more formal tone while retaining the meaning of affirmation.
absolutely I do
Uses "absolutely" instead of "of course", suggesting a stronger and more emphatic agreement.
indeed I do
Employs "indeed" to replace "of course", providing a more sophisticated and affirmative response.
sure I do
Substitutes "of course" with "sure", resulting in a more casual and informal affirmation.
I certainly do
Changes the word order, emphasizing the speaker's affirmation with a slightly more deliberate tone.
I definitely do
Replaces "of course" with "definitely", stressing a firm and unambiguous agreement.
I surely do
Uses "surely" for a slightly old-fashioned yet still affirmative and confident agreement.
I absolutely do
Shifts emphasis by placing "absolutely" after "I", highlighting the speaker's strong conviction.
without a doubt I do
Introduces a more emphatic and declarative tone, reinforcing the agreement by stating there is no doubt.
yes I do
Provides a simple and direct affirmative response, omitting the more elaborate "of course".
FAQs
How can I use "of course I do" in a sentence?
You can use "of course I do" to express agreement or acceptance to a statement or situation. For example, if someone asks, "Do you want to come to the party?", you could reply, "Of course I do!"
What are some alternatives to "of course I do"?
You can use alternatives like "certainly I do", "absolutely I do", or "indeed I do" depending on the context.
Is "of course I do" formal or informal?
"Of course I do" leans towards the informal side, though it's generally acceptable in neutral contexts. For more formal settings, consider alternatives like "certainly I do" or "indeed I do".
When should I avoid using "of course I do"?
Avoid using "of course I do" if the agreement isn't obvious or if you want to express a more nuanced response. Overusing it, particularly in situations where a simple "yes" suffices, can come across as condescending or insincere.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested