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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 think back to when
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I think back to when" is correct and usable in written English.
You can use it when reflecting on past events or memories. Example: "I think back to when we first met and how much has changed since then."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(5)
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
I think back to when I taught in Boston with the nonprofit Citizen Schools extended learning day program.
Academia
I think back to when I was so young and innocent.
News & Media
"I think back to when I walked in a group in the past," he wrote.
News & Media
"When I think back to when we first started... it's crazy to think about what everyone has gone on to do.
News & Media
I think back to when I sat around here in 1994 and laid out an agenda and talked about what we were going to do.
News & Media
"When I look at that landing pier now, I think back to when I arrived here all those years ago," Nakao said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
36 human-written examples
I thought back to when I was a 17-year-old student in the recreation room at art college and heard John sing "Twist and Shout" on the record player, and how I was blown away by his directness.
News & Media
Stealing a glance at his blocky, tear-stained profile, I thought back to when I was fifteen and a girl in my junior high died of leukemia, or " 'Love Story' disease," as it was often referred to then.
News & Media
Puzzled as to why, I thought back to when I accepted all of my awards online and realized one of the boxes had been grayed out.
News & Media
I thought back to when I first met him.
News & Media
It hit me hard -- I thought back to when I was a kid playing in pools with similar toys.
News & Media
Expert writing Tips
Best practice
Use "I think back to when" to introduce a personal anecdote or reflection, adding depth and context to your writing. Start with this phrase to set the stage for a story or memory that illustrates a point you're making.
Common error
While generally acceptable, excessively using "I think back to when" in formal or academic writing can make your work sound too informal or anecdotal. Consider using more formal alternatives like "In retrospect" or "Upon reflection" to maintain a professional tone.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I think back to when" functions as an introductory phrase to a clause expressing a recollection or reminiscence. According to Ludwig AI, it is a correct and usable phrase in written English. Examples show it used to set the stage for personal anecdotes or reflections.
Frequent in
News & Media
62%
Academia
14%
Science
24%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "I think back to when" serves as a common and grammatically sound way to introduce a past recollection or anecdote, a sentiment confirmed by Ludwig AI. Its usage spans across various contexts, from News & Media to Academia. While versatile, it's advisable to use it judiciously in formal writing to avoid sounding too informal. Alternatives like "I recall when" or "looking back to when" can offer similar meaning with slightly different nuances. Understanding its function and purpose allows for more effective and impactful communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I recall when
Direct substitution using 'recall' instead of 'think back', creating a more concise expression.
I remember when
Using 'remember' provides a slightly more direct and simple way to express the same idea.
I reflect on the time when
Replaces 'think back' with 'reflect on the time', adding a touch more formality and contemplation.
Looking back to when
Shifts the perspective to a more visual and retrospective viewpoint.
When I reminisce about
Introduces a feeling of nostalgia or fond memory to the act of remembering.
My memories of when
Focuses on the memories themselves rather than the act of thinking back.
As I think about the past
Offers a broader and less specific way to refer to past events.
In retrospect, I recall
Adds a layer of hindsight and analysis to the act of remembering.
If I cast my mind back to
Uses a more evocative and descriptive way of expressing remembering.
I bring to mind the time when
Emphasizes the act of consciously summoning a memory.
FAQs
What does "I think back to when" mean?
It means to recall or remember a past event, time, or experience. It's often used to introduce a personal memory or reflection.
What can I say instead of "I think back to when"?
You can use alternatives like "I recall when", "I remember when", or "looking back to when" depending on the context.
Is it grammatically correct to start a sentence with "I think back to when"?
Yes, it is grammatically correct. It introduces a dependent clause that provides context or background information.
How can I use "I think back to when" effectively in writing?
Use it to transition into a relevant personal anecdote or memory that supports your main point. Ensure the memory is clear and contributes meaningfully to your overall message.
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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