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 keep thinking about
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I keep thinking about" is correct and usable in written English.
You can use it when expressing that a particular thought or idea is persistently on your mind. Example: "I keep thinking about the conversation we had last week and how it changed my perspective."
✓ Grammatically correct
News & Media
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
58 human-written examples
I keep thinking about it.
News & Media
"I keep thinking about Stan," she said.
News & Media
But I keep thinking about chemical weapons.
News & Media
I keep thinking about what can happen.
News & Media
"I keep thinking about 'Dirty Dancing' — I don't know why.
News & Media
But now "Red" is what I keep thinking about.
News & Media
I keep thinking about the guy who took the $20.
News & Media
"I keep thinking about that shot," Lane said.
News & Media
I keep thinking about all those pairs walking around".
News & Media
And that's why I keep thinking about boiling frogs.
News & Media
I keep thinking about my aunts, uncles, and cousins.
News & Media
Expert writing Tips
Best practice
Use "I keep thinking about" to introduce a recurring thought, especially when explaining its impact or relevance to a current situation.
Common error
Avoid starting multiple consecutive sentences with "I keep thinking about". Vary your sentence structure to maintain reader engagement.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I keep thinking about" functions as a means of expressing persistent thought or reflection. As noted by Ludwig AI, it's a common way to introduce a topic that regularly occupies one's mind. Examples in Ludwig show its use in both personal anecdotes and broader reflections on events.
Frequent in
News & Media
85%
Wiki
5%
Science
3%
Less common in
Formal & Business
2%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, "I keep thinking about" is a commonly used phrase to express recurring thoughts or reflections. As Ludwig AI confirms, it is grammatically correct and appropriate for various contexts, primarily appearing in news and media. While versatile, it's important to avoid overuse and consider more formal alternatives like "I find myself pondering" in certain settings. The phrase serves to introduce subjects that frequently occupy one's mind, helping to explain motivations, actions, or concerns.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I can't stop thinking about
Emphasizes the inability to cease thinking about something.
It's always on my mind
Indicates that something is a frequent subject of thought.
My mind keeps returning to
Highlights the involuntary nature of the recurring thought.
I find myself pondering
Suggests a more intellectual or deliberate form of consideration.
I'm constantly reflecting on
Highlights the act of reviewing or considering something repeatedly.
I've been preoccupied with
Suggests that thoughts are dominating one's attention.
I mull over
Suggests a slow, careful process of thinking.
I'm engrossed in thought about
Implies a deep level of engagement with the subject of thought.
I dwell on
Indicates a prolonged period of thinking about something, often with a negative connotation.
I am haunted by the thought of
Implies a disturbing or unpleasant thought that keeps returning.
FAQs
How can I rephrase "I keep thinking about" to sound more formal?
For a more formal tone, consider using phrases like "I find myself pondering", "I am constantly reflecting on", or "I've been preoccupied with". These options offer a more detached and analytical perspective compared to the more personal "I keep thinking about".
What's the difference between "I keep thinking about" and "I can't stop thinking about"?
"I keep thinking about" indicates a recurring thought, while "I can't stop thinking about" suggests an inability to control or suppress the thought, often implying a stronger emotional attachment or urgency.
Is it grammatically correct to say "I keep thinking about"?
Yes, "I keep thinking about" is grammatically correct. The structure follows standard English grammar, using "keep" as an auxiliary verb indicating continuous action and "thinking about" as the main verb phrase.
When is it appropriate to use "I keep thinking about" in writing?
Use "I keep thinking about" when you want to express that a particular thought is persistently on your mind. It's suitable for expressing personal reflections, concerns, or fascinations in both informal and neutral contexts.
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