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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

that didn't

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "that didn't" is correct and usable in written English.
It can be used to refer to something that did not occur or was not successful in a previous context. Example: "I thought the plan would work, but that didn't happen."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"Fortunately, that didn't happen".

News & Media

Independent

Obviously, that didn't materialize.

So that didn't quite count.

News & Media

The New York Times

Entrances that didn't seem visible".

News & Media

The New York Times

Competitors that didn't failed.

News & Media

Forbes

And those that didn't.

News & Media

Forbes

That didn't".

News & Media

The New York Times

That didn't stop her.

But that didn't work.

News & Media

The New York Times

But that didn't last.

That didn't fly.

Show more...

Expert writing Tips

Best practice

Use "that didn't" to clearly and concisely indicate that a particular action or event did not occur or was unsuccessful. It is suitable for both formal and informal writing.

Common error

Avoid using "that didn't" when the subject requires a different auxiliary verb. For instance, don't use it with plural subjects that require "didn't" to be replaced by something else.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

91%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "that didn't" functions as a negative indicator, expressing the non-occurrence or failure of an action or event. As Ludwig AI suggests, it's a grammatically sound and common way to negate a statement. The examples provided showcase its broad applicability across different contexts.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Science

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "that didn't" is a grammatically correct and widely used phrase to express the non-occurrence or failure of an action or event. Ludwig AI confirms its appropriateness and the examples showcase its diverse applications, particularly in news and media. While more formal alternatives exist, its neutral register allows for versatile usage. Remember to consider the context and choose the most fitting expression, keeping in mind the potential for more descriptive or formal options like "that did not" or "that failed to".

FAQs

How can I rephrase "that didn't" to sound more formal?

For a more formal tone, you can use phrases like "that did not", "that failed to", or "that proved unsuccessful" depending on the context.

Is it grammatically correct to use "that didn't" in academic writing?

Yes, "that didn't" is grammatically correct. However, in academic writing, it might be preferable to use a more formal alternative such as "that did not" or "that was not the case" to maintain a professional tone.

What's the difference between "that didn't work" and "that didn't work out"?

"That didn't work" generally means something was ineffective. "That didn't work out" implies a plan or situation did not resolve as hoped, often suggesting a more involved or long-term process.

Can I use "that didn't" in negative sentences?

Yes, "that didn't" is inherently negative. It is used to indicate that something did not occur or was not true. For example, "That didn't matter" means the thing in question had no importance.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

91%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: