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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
which I then
Grammar usage guide and real-world examplesUSAGE SUMMARY
'which I then' is correct and usable in written English.
You can use it when referring to a previous action or event that happened before the present. For example: "I had planned to go on a holiday, which I then cancelled after hearing the news of the pandemic."
✓ Grammatically correct
News & Media
Science
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
59 human-written examples
For example, in 2010 'koe123' wrote on an online testicular cancer forum: im 26 this yr, early last year i was diagnosed with stage II seminoma which i then went thru 4xBEP [a chemotherapy regimen] and completed it.
Science
(TC-Cancer.com, 2011, emphasis added) im 26 this yr, early last year i was diagnosed with stage II seminoma which i then went thru 4xBEP [a chemotherapy regimen] and completed it.
Science
Which I then delivered, in summary form.
News & Media
Which I then discovered had quicksand in it," she recalls.
News & Media
I use it to fill tomatoes, which I then roast.
News & Media
"The museum gave me a disk of it," says Hockney, "which I then digitally cleaned".
News & Media
They executed the sequences, which I then moved around like pieces in a puzzle.
News & Media
Ridley made a number of unsubstantiated claims which I then rebutted in the WSJ.
News & Media
"Which I then had to sublet out because we couldn't afford it," she said.
News & Media
The result is what I affectionately term 'word vomit' – from which I then remove as many words as possible.
News & Media
The Independent, for which I then worked, took huge pride in putting words otherwise omitted on every possible page.
News & Media
Expert writing Tips
Best practice
Use "which I then" to clearly indicate a sequence of actions where one immediately follows another, ensuring smooth narrative flow.
Common error
Avoid using "which I then" repeatedly in close succession, as it can make your writing sound monotonous. Vary your sentence structure by using alternatives like "subsequently" or "thereafter".
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which I then" functions as a relative clause, connecting a preceding statement with a subsequent action or event. As Ludwig AI confirms, it serves to add additional information about what followed a particular action. Many examples illustrate this function in context.
Frequent in
News & Media
65%
Science
25%
Formal & Business
5%
Less common in
Academia
3%
Encyclopedias
1%
Wiki
1%
Ludwig's WRAP-UP
In summary, "which I then" is a grammatically sound and frequently employed phrase used to describe a sequence of events where one action immediately follows another. As Ludwig AI confirms, it is correct and usable in written English, particularly in news and media contexts. While suitable for both formal and informal settings, it's important to avoid overuse and consider alternative phrasing for stylistic variation. The phrase functions as a relative clause, providing additional detail about a prior action. It's a versatile connector that adds clarity and chronological order to narratives.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that I subsequently
Replaces "which" with "that" and "then" with "subsequently", indicating a following action.
that I afterward
Replaces "which" with "that" and "then" with "afterward", changing the specific word choice while maintaining meaning.
what I later
Uses "what" instead of "which" and "later" instead of "then", implying a time difference.
what I thereafter
Uses "what" instead of "which" and replaces "then" with the more formal "thereafter."
and I proceeded to
Restructures the sentence to use "and I proceeded to", indicating a direct continuation of action.
and I went on to
Similar to the previous alternative, but using "went on to" to show a continuation of action.
leading me to
Indicates that the first action directly resulted in the second action.
whereupon I
Replaces the entire phrase with the single word "whereupon", a more formal construction.
following which I
Emphasizes the sequence of events, indicating the subsequent action.
after which I
Specifies that the second action occurred immediately after the first.
FAQs
How can I use "which I then" in a sentence?
Use "which I then" to connect a clause that provides additional information about a previous action, indicating what you did immediately afterward. For example, "I completed the project, "which I then" submitted to my manager".
What are some alternatives to "which I then"?
You can use alternatives like "subsequently", "afterward", or "thereafter" to vary your writing and avoid repetition.
Is "which I then" formal or informal?
"Which I then" is generally considered neutral in tone and can be used in both formal and informal contexts, although more formal alternatives exist for strictly professional writing.
What's the difference between "which I then" and "which I subsequently"?
While both indicate a sequence of events, ""which I then"" implies a more immediate succession, whereas "which I subsequently" can suggest a slightly longer delay between the actions.
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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