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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
when he did
Grammar usage guide and real-world examplesUSAGE SUMMARY
"when he did" is grammatically correct and can be used in written English.
It is often used to indicate a specific point in time when something happened or was done. Example: "John had been struggling with the math problem for hours, but when he finally did solve it, he felt a sense of accomplishment."
✓ Grammatically correct
News & Media
Alternative expressions(1)
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 think they won the title when he did that.
News & Media
And when he did, he got great laughter and applause.
News & Media
When he did, I would pull away.
News & Media
"When he did, everybody fell in line.
News & Media
When he did, he was pleasantly surprised.
News & Media
When he did, that was that".
News & Media
He was five when he did it".
News & Media
He scowled when he did.
News & Media
When he did, he played for time.
News & Media
I remember when he did this before.
News & Media
"When he did that, it was awesome.
News & Media
Expert writing Tips
Best practice
Use "when he did" to clearly indicate a sequence of events, ensuring the context makes the repeated action or verb clear to avoid ambiguity.
Common error
Avoid using "when he did" if the implied verb is not immediately obvious from the preceding sentence; rephrase to make the action explicit, preventing confusion for the reader.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "when he did" functions as an elliptical clause, acting as an adverbial modifier indicating the timing of a subsequent event or action. Ludwig AI confirms its grammatical correctness and common usage. It relies on context to imply the verb.
Frequent in
News & Media
90%
Encyclopedias
1%
Science
1%
Less common in
Formal & Business
0%
Academia
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "when he did" serves as a compact way to express the timing of an action in relation to a prior event, as verified by Ludwig. It is commonly used in neutral to informal contexts, particularly within news and media. Ludwig AI confirms that the phrase is grammatically sound and widely accepted. To ensure clarity, use it when the implied verb is clear from the context, avoiding potential ambiguity. Alternatives like "upon his doing so" or "after he had done so" can be used for variations in formality or emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the instant he did
Highlights the immediacy of the action.
the moment he acted
Focuses on the instance of action.
at the moment he did
Emphasizes the specific moment the action occurred.
after he had done so
Uses a past perfect tense to emphasize the completion of the action.
upon his doing so
Replaces "when" with "upon" and uses a more formal grammatical structure.
once he performed it
Replaces "did" with "performed", adding a layer of formality.
following his action
Focuses on the action itself as a precursor.
as soon as he executed it
Uses "executed" to specify a task and "as soon as" to indicate immediacy.
on the occasion that he did
Emphasizes the specific event or occasion.
subsequent to his doing it
A more formal and somewhat redundant version.
FAQs
How can I use "when he did" in a sentence?
Use "when he did" to refer back to an action or event previously mentioned. For example, "He hesitated at first, but "when he did", he succeeded."
What are some alternatives to "when he did"?
Alternatives include "upon his doing so", "after he had done so", or "the instant he did", depending on the desired level of formality and emphasis.
Is it correct to use "when he did it" instead of "when he did"?
While "when he did it" is grammatically correct, ""when he did"" is often preferred when the 'it' is already clear from the context. Using "when he did" can make your writing more concise.
What's the difference between "when he did" and "when he was doing it"?
"When he did" implies a completed action, while "when he was doing it" implies an action in progress. The choice depends on whether you want to emphasize the completion or the process of the action.
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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
4.6/5
Expert rating
Real-world application tested