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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
remember when
Grammar usage guide and real-world examplesUSAGE SUMMARY
"remember when" is a correct and usable phrase in written English.
It can be used to refer to a specific event or time in the past. For example, "Remember when we went to the amusement park last summer?".
✓ Grammatically correct
News & Media
Wiki
Encyclopedias
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
58 human-written examples
Remember when?
News & Media
Remember when that happened?
News & Media
'I remember when you played.
News & Media
"Remember when Optik was shot?
News & Media
Remember when Gmail came out?
News & Media
Remember when… Georgia beat Tonga?
News & Media
Remember when Britain was Great?
News & Media
Remember when Google went public?
News & Media
Remember when Alabama seemed vulnerable?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
But remember- when all else fails.
Wiki
"…remember when we snorkeled that shipwreck?
News & Media
Expert writing Tips
Best practice
Use "remember when" to initiate a conversation about shared experiences or to evoke a sense of nostalgia. It's most effective when used with people who share the same memories.
Common error
Avoid using "remember when" in formal or academic writing where a more objective or analytical tone is required. It is typically better suited for conversational or narrative contexts.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "remember when" functions primarily as an interrogative phrase used to prompt recollection of a past event or period. Ludwig AI confirms its usability. It invites shared reminiscence and can initiate conversation.
Frequent in
News & Media
40%
Wiki
25%
Encyclopedias
15%
Less common in
Academia
5%
Formal & Business
5%
Science
5%
Ludwig's WRAP-UP
The phrase "remember when" is a very common and grammatically correct interrogative phrase used to prompt memories of past events. As Ludwig AI highlights, it serves to invite shared reminiscence and spark conversations, primarily in informal contexts such as news media, wikis, and encyclopedias. While generally appropriate for casual exchanges, it should be used cautiously in more formal writing. Alternatives such as "do you recall when" or "can you reminisce about the time when" may be more suitable for professional or academic settings. In essence, "remember when" is a potent tool for evoking nostalgia and fostering connection through shared memories, but its use should be guided by an awareness of context and audience.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
do you recall when
Replaces "remember" with "recall", creating a slightly more formal tone.
do you recollect when
Similar to "recall when", but slightly less common.
can you think back to when
Emphasizes the act of mentally returning to a past time.
back when
A more concise way to refer to a past time.
do you reminisce about the time when
Uses "reminisce" to emphasize the nostalgic aspect of remembering.
in those days
Refers to a specific period in the past.
do you have any memories of when
Focuses on the existence of memories related to a particular time.
what do you remember about when
Transforms the phrase into a direct question about specific memories.
how about the time when
Offers a more casual way to prompt someone's memory.
those were the days when
Evokes a sense of nostalgia, often used to idealize the past.
FAQs
How can I use "remember when" in a sentence?
You can use "remember when" to start a question about a past event, like "Remember when we first met?" or "Remember when that song was popular?" It's often used to initiate a conversation about shared memories.
What's a more formal alternative to "remember when"?
In more formal settings, you might use phrases like "do you recall when...?" or "can you recollect the time when...?" These alternatives, like "do you recall when", maintain a similar meaning but sound more professional.
Is it appropriate to use "remember when" in business communication?
Generally, "remember when" is too informal for most business communication. However, it could be appropriate in internal communications among long-time colleagues to build rapport, but use it sparingly.
What's the difference between "remember when" and "I remember when"?
"Remember when" is typically used as a question to prompt someone else's memory, while "I remember when" is a statement expressing your own recollection. For example, "Remember when we went to that concert?" versus "I remember when that concert was announced."
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested