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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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Not until then

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "Not until then" is correct and usable in written English.
It can be used to indicate that something will only happen after a specific point in time or condition is met. Example: "I won't make a decision about the project not until then, when I have all the necessary information."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

45 human-written examples

Not until then.

News & Media

The New Yorker

"Not until then?" he asked.

News & Media

The New York Times

Not until then, European astronomers say, will they be able to talk about changes to the project.

Not until then did the court poet inform the emperor what he and Mozart had been up to.

Not until then was there "a new group of people without massive psychological scarring" from the 1929 crash.

News & Media

The New York Times

Not until then did the Danes truly believe that the fairytale of Wembley and France was more than just that.

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Human-verified similar examples from authoritative sources

Similar Expressions

11 human-written examples

It wasn't until then that I knew.

News & Media

Independent

Am I correct?" Well, he wasn't until then.

"It wasn't until then that I took myself seriously as an artist," she said.

News & Media

The New York Times

Remarkably, it wasn't until then that the dangers of tobacco began to become clear.

News & Media

The Guardian

Funnily enough, it wasn't until then that I realised that Marley was the theme holding them together.

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Expert writing Tips

Best practice

When using "Not until then", ensure the sentence structure is clear and unambiguous to avoid confusion about which event is dependent on the other.

Common error

Avoid inverting the subject and verb unnecessarily after "Not until then" if it doesn't begin the main clause. While inversion is grammatically correct at the beginning of a sentence, it is important to apply it correctly and avoid it inside the sentence to ensure clarity.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

90%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "Not until then" functions as an adverbial phrase, modifying the verb in the main clause to indicate a specific condition of time. Ludwig AI confirms its common usage as an adverbial phrase introducing a temporal restriction.

Expression frequency: Common

Frequent in

News & Media

40%

Science

30%

Wiki

10%

Less common in

Formal & Business

5%

Encyclopedias

5%

Social Media

5%

Ludwig's WRAP-UP

In summary, "Not until then" is a versatile adverbial phrase that indicates a temporal or conditional dependency. Ludwig AI confirms that it is grammatically correct and widely used across different contexts, particularly in news, scientific, and general writing. To ensure clarity, pay attention to sentence structure and avoid unnecessary subject-verb inversion. By keeping these points in mind, you can effectively use "Not until then" to convey precise timing and conditionality in your writing.

FAQs

What does "Not until then" mean?

The phrase "Not until then" indicates that something will happen only after a specific time or event has occurred. It emphasizes the condition that must be met before the subsequent action can take place.

How can I use "Not until then" in a sentence?

You can use "Not until then" to show a dependency between two events. For example: "The project cannot begin not until then, once the funding is secured."

What are some alternatives to "Not until then"?

Some alternatives include "only then", "not before that time", or "only at that point".

Is it correct to start a sentence with "Not until then"?

Yes, it is grammatically correct to start a sentence with "Not until then". However, be mindful of subject-verb inversion when using this construction. For instance, "Not until then did I understand the gravity of the situation."

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: