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 thought so too
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I thought so too" is correct and usable in written English.
You can use it to agree with someone's opinion or thought. For example, "I think I'm going to start a new hobby." "I thought so too, why not try painting?".
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
that's what I was thinking
I feel the same way
My thoughts exactly
I share that opinion
You took the words right out of my mouth
I concur
I think so too
I was thinking that too
I had the same thought
I thought that too
I concur with that assessment
I was just thinking that
I was thinking the same thing
Same here
I agree
I was of the same mind
Likewise
my thoughts exactly
I'm of the same mind
I share that thought
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
24 human-written examples
COMMENT FROM JENJA: yes alex- i thought so too.
News & Media
Lori F.: OK, I thought so too, but just wanted to get your thoughts.
News & Media
I thought so too"?
News & Media
I thought so too, for a while.
News & Media
"I thought so too," Devin Harris said.
News & Media
"Clever!" "I thought so, too, at the time.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
36 human-written examples
I think so too.
News & Media
"I think so, too," Tavi said.
News & Media
"I think so, too," she says.
News & Media
"I think so, too," Sara said.
News & Media
JS: I think so too.
News & Media
Expert writing Tips
Best practice
Use "I thought so too" to express agreement with a statement, especially when the statement confirms a prior suspicion or expectation. It adds a sense of shared understanding.
Common error
Avoid using "I thought so too" in highly formal or academic writing. Opt for more sophisticated phrases like "I concur" or "I share that view" to maintain a professional tone.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
"I thought so too" serves primarily as an interjection phrase to express agreement or confirmation. Ludwig's examples demonstrate it's used when someone affirms a previously held belief or suspicion.
Frequent in
News & Media
71%
Science
6%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
3%
Ludwig's WRAP-UP
"I thought so too" is a common and grammatically correct phrase used to express agreement or confirmation, as affirmed by Ludwig. It indicates that the speaker shares the same thought or suspicion as the person they are responding to. While frequently found in news and media contexts, it's best to reserve this phrase for neutral to informal settings, opting for more formal alternatives like "I concur" in professional or academic writing. Remember, while it's acceptable, always consider the context and audience to ensure your language aligns with the situation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
My thoughts exactly
Directly indicates perfect agreement with the previous statement.
I feel the same way
Expresses an identical emotional or intellectual response.
That's what I was thinking
Indicates that the speaker had the same thought or idea.
That's exactly how I see it
Reinforces a shared perspective or understanding.
I agree with that assessment
Emphasizes agreement with a specific evaluation or judgment.
I share that opinion
Highlights a shared viewpoint or belief.
I was just about to say that
Highlights that the speaker was on the verge of expressing the same thought.
You took the words right out of my mouth
Emphasizes that someone has perfectly articulated what the speaker intended to say.
I concur
A more formal way to express agreement.
Indeed, I had the same idea
Confirms agreement and possession of an identical concept.
FAQs
How can I use "I thought so too" in a sentence?
Use "I thought so too" to express agreement or confirmation. For example, if someone says, "This plan seems risky", you can reply, "I thought so too; we should consider alternatives".
What are some alternatives to "I thought so too"?
You can use alternatives like "I agree with that assessment", "that's what I was thinking", or "I feel the same way" depending on the context.
Is it appropriate to use "I thought so too" in formal writing?
While grammatically correct, "I thought so too" is generally considered informal. In formal contexts, consider using phrases like "I concur" or "I share that opinion".
What's the difference between "I thought so too" and "I think so too"?
"I thought so too" implies you had the same thought previously, while "I think so too" indicates you are currently forming that opinion in agreement. "I thought so too" confirms a prior suspicion, whereas "I think so too" is more immediate agreement.
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