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
then that
Grammar usage guide and real-world examplesUSAGE SUMMARY
'then that' is a correct and usable phrase in written English.
You can use 'then that' to refer back to a previous thought or idea in a sentence. For example: "I'm not sure about what to do next - then that means I have to make a decision."
✓ Grammatically correct
News & Media
Wiki
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
60 human-written examples
It's then that Capt.
News & Media
Then that happened.
News & Media
Then that wasn't enough.
News & Media
Then that happens.
News & Media
And then that was all".
News & Media
Then, that summer, everything changed.
News & Media
And then that was it.
News & Media
"But then that doesn't happen.
News & Media
And then that word: cancer.
News & Media
Then that wolf was shot.
News & Media
But then that is another issue.
News & Media
Expert writing Tips
Best practice
Use "then that" to create a smooth transition between events or ideas, ensuring clarity in your writing.
Common error
Avoid using "then that" excessively, as it can make your writing sound repetitive. Replace it with more specific transitions or rephrase the sentence for better clarity.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
"Then that" primarily functions as a transitional phrase, connecting ideas or events in a sequence. As Ludwig examples show, it often introduces a consequence or next step following a prior action or situation. The Ludwig AI analysis confirms its usability in written English.
Frequent in
News & Media
60%
Wiki
20%
Formal & Business
10%
Less common in
Science
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "then that" is a versatile transitional phrase widely used to connect ideas or events sequentially. Ludwig AI confirms its grammatical correctness and general usability. While prevalent in News & Media and informal contexts, it's essential to avoid overuse and consider more precise alternatives for formal writing. The expert rating highlights its consistent usage and source authority, making it a reliable addition to your writing toolkit.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
after that
Focuses on the temporal sequence, similar to "then that" but with a more direct indication of time passing.
subsequently
Implies a sequence of events, with a slightly more formal tone than "then that".
thereupon
Indicates something happening immediately after something else, carrying a more formal and literary tone compared to "then that".
at that point
Specifies a particular moment in time when something occurs, similar to "then that" in marking a transition.
following that
Highlights the chronological order, with a clearer emphasis on what comes next.
as a result
Shifts the focus to the consequence of a preceding event, implying causation more strongly than "then that".
consequently
Emphasizes the logical outcome or result of what was mentioned before, similar to "then that" but with stronger causation.
in that case
Introduces a conditional element, where something follows based on a particular situation or condition.
that being said
Signals a transition or contrast to a previous statement, used to introduce a new perspective.
with that in mind
Indicates that a previous consideration influences a subsequent action or thought, emphasizing the mental connection.
FAQs
How can I use "then that" in a sentence?
You can use "then that" to refer back to a previous thought or idea, indicating a sequence or consequence. For example, "I finished my work, "then that" meant I could relax."
What are some alternatives to "then that"?
Alternatives to "then that" include "after that", "subsequently", or "at that point", depending on the context.
Is it grammatically correct to start a sentence with "then that"?
While it's not always the most formal or elegant choice, starting a sentence with "then that" is generally acceptable, especially in informal writing or speech, to emphasize the sequence of events.
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested