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 was not

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "that was not" is correct and usable in written English.
You can use it after a noun or verb to indicate that something is not true. For example: The statement she made was not accurate.

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Sorry, that was not correct.

News & Media

The New York Times

That was not easy.

That was not surprising.

News & Media

The New York Times

"That was not ideal".

News & Media

The New York Times

That was not unusual.

News & Media

The New York Times

That was not weird.

News & Media

The New York Times

That was not exceptional.

News & Media

The Economist

That was not funny.

News & Media

The New York Times

That was not deliberate.

News & Media

The New Yorker

That was not open.

That was not good.

News & Media

Independent
Show more...

Expert writing Tips

Best practice

Use "that was not" to politely disagree or correct a statement. It provides a clear negation without being overly aggressive.

Common error

Avoid using "that was not" in overly complex sentences where a simpler negation would suffice. Clarity is key; ensure the negation directly relates to the intended subject.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

95%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The primary grammatical function of "that was not" is to negate a statement or idea expressed in the past. As confirmed by Ludwig AI, it is used to indicate that something is incorrect, untrue, or did not occur as suggested. The phrase follows standard grammatical rules.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Formal & Business

0%

Science

0%

Academia

0%

Ludwig's WRAP-UP

In summary, the phrase "that was not" is a very common and grammatically correct way to negate a statement or idea in the past. According to Ludwig AI, it's perfectly acceptable in written English. Predominantly found in news and media sources, it serves to correct inaccuracies or express disagreement. For alternative expressions, consider using "it wasn't" or "that is not", depending on the specific context and desired level of formality. When using "that was not", ensure the negation directly relates to the intended subject for maximum clarity.

FAQs

How can I use "that was not" in a sentence?

Use "that was not" after stating something to clarify that it is incorrect or untrue. For example, "The information presented "that was not" accurate."

What can I say instead of "that was not"?

You can use alternatives like "it wasn't", "that is not", or "it did not" depending on the context.

Which is correct, "that was not" or "that weren't"?

"That was not" is correct when referring to a singular subject. "That weren't" is grammatically incorrect.

What's the difference between "that was not" and "that is not"?

"That was not" refers to something in the past, while "that is not" refers to something in the present.

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Real-world application tested

Most frequent sentences: