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
I do too
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I do too" is a perfectly acceptable and commonly used phrase in written English.
It is used to agree with a previous statement. For example, if someone said, "I love chocolate," you could respond with, "I do too!".
✓ Grammatically correct
News & Media
Academia
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
50 human-written examples
Now I do, too.
News & Media
I do too.
News & Media
And I do, too".
News & Media
I do, too.
News & Media
Sometimes, I do, too".
News & Media
"Well, I do, too".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
10 human-written examples
I did too.
Academia
And I did too.
News & Media
So I did, too".
News & Media
I did, too.
News & Media
Yes, I did too.
News & Media
Expert writing Tips
Best practice
Use "I do too" to concisely express agreement with a previous statement. Ensure the context is clear to avoid ambiguity.
Common error
Avoid using "I do too" when the agreement is already implied or obvious from the conversation. Redundant agreement can make your writing sound repetitive.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "I do too" is as an affirmative response, indicating agreement with a previous statement. Ludwig AI confirms that the phrase is grammatically sound and frequently used.
Frequent in
News & Media
65%
Academia
20%
Formal & Business
5%
Less common in
Science
3%
Encyclopedias
1%
Wiki
1%
Ludwig's WRAP-UP
In summary, the phrase "I do too" is a common and grammatically correct way to express agreement. As confirmed by Ludwig AI, it is widely used across various contexts, particularly in news and media. While versatile, it's important to consider the context and desired level of formality. Alternatives such as "so do I" or "me too" may be more appropriate in certain situations. When using "I do too", ensure the agreement is not redundant and the context is clear to avoid ambiguity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
So do I
Inverts the subject and auxiliary verb for a slightly more formal tone.
Me too
A shorter, more informal expression of agreement.
Same here
Indicates that the same situation or feeling applies to the speaker.
That's how I feel too
Highlights the shared emotion or sentiment.
I feel the same way
Emphasizes the shared feeling or opinion.
I share that sentiment
Indicates a shared feeling or opinion, often used in more formal contexts.
I agree
A more direct and formal expression of agreement.
I'm of the same opinion
Expresses agreement in a more formal and structured way.
Likewise
A concise and somewhat formal way to express agreement or a similar sentiment.
I concur
A formal and emphatic way to express agreement.
FAQs
How can I use "I do too" in a sentence?
Use "I do too" to express agreement with a previous statement. For example, if someone says "I enjoy reading", you can respond with "I do too".
What are some alternatives to "I do too"?
Is "I do too" formal or informal?
"I do too" is generally considered informal. More formal alternatives include "so do I" or "I agree".
When should I avoid using "I do too"?
Avoid using "I do too" in highly formal writing or when a more specific response is required. In such cases, consider elaborating on your agreement or using a more sophisticated phrase.
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
4.6/5
Expert rating
Real-world application tested