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
before then
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'before then' is correct and is usable in written English.
It is used to refer to a time that is prior to a specific point in the past. For example, "I hadn't seen him in years before then."
✓ Grammatically correct
News & Media
Science
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
Plenty can happen before then.
News & Media
It was over long before then.
News & Media
There is one deadline looming before then.
News & Media
But his contribution began long before then.
News & Media
"I had written four novels before then.
News & Media
Credit Suisse had moved before then.
News & Media
I had never seen it before then.
News & Media
What did you do before then?
News & Media
And the other thing is, something could happen before then.
News & Media
But never before then.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
He practiced civil law for 13 years before then-Gov.
News & Media
Expert writing Tips
Best practice
Use "before then" to clearly establish a sequence of events, ensuring the reader understands the temporal order. For example, "The meeting is scheduled for Friday; before then, please submit your reports."
Common error
Avoid using "before then" without explicitly stating or implying the point in time to which it refers. For example, instead of saying "I went to the store before then", specify "I went to the store before the movie started."
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "before then" functions as an adverbial phrase of time, modifying a verb or clause to indicate when an action occurred in relation to a specific point in the past. It sets up a temporal sequence. Ludwig AI confirms it follows standard grammar rules.
Frequent in
News & Media
79%
Science
14%
Formal & Business
7%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the adverbial phrase "before then" is a versatile tool for establishing temporal relationships within written and spoken English. According to Ludwig AI, the phrase adheres to standard grammar and is considered correct. With a neutral register, it appears most frequently in the context of News & Media, but can also be found in Science and other domains. It's important to use "before then" with a clear reference point to avoid ambiguity, and it can be effectively replaced with alternatives such as "prior to that time" or "previously" to add variety to your writing. It is a common phrase, it appears in a wide range of contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
before that
Slightly less formal and more direct.
prior to that time
More formal and emphasizes the temporal precedence.
previously
A single-word adverb that conveys the same meaning more concisely.
earlier
A shorter, more general term indicating precedence.
in the past
A broader term, not necessarily immediately preceding the reference point.
up until that point
Emphasizes the duration leading to the reference point.
heretofore
A more archaic and formal synonym.
in advance of that
Highlights the preparation or anticipation.
aforementioned
Refers specifically to something already mentioned.
antecedently
A formal term indicating chronological order.
FAQs
How can I use "before then" in a sentence?
Use "before then" to refer to a time preceding a specific point already mentioned. For example, "The deadline is Friday; "before then", submit your reports."
What's a more formal alternative to "before then"?
A more formal alternative is "prior to that time", which is often used in professional or academic contexts.
How does "before then" differ from "afterwards"?
"Before then" indicates something happened earlier, while "afterwards" indicates something happened later. They are opposite in meaning.
Can "before then" be used at the beginning of a sentence?
Yes, "before then" can be used at the beginning of a sentence to emphasize the temporal order, like in "Before then, we need to finalize the budget."
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested