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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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based on a true

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "based on a true" is not correct as it is incomplete.
It is typically used in the context of storytelling, films, or literature to indicate that a narrative is inspired by real events or people. Example: "The movie is based on a true story about a heroic rescue mission."

⚠ May contain grammatical issues

News & Media

Academia

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The one that's based on a true story?

Based on a true story.

It's based on a true story.

So this is all based on a true story?

I assume it's based on a true story?

"But it was based on a true story".

("Down to Truck" is based on a true story).

News & Media

The New Yorker

(The drama is based on a true story).

News & Media

The New Yorker

Perhaps this is based on a true story.

News & Media

The New York Times

"Medal of Honor Rag" is based on a true story.

News & Media

The New York Times

"The Mirror Crack'd" was based on a true story.

News & Media

The New Yorker
Show more...

Expert writing Tips

Best practice

Always complete the phrase with a noun (e.g., "story", "event", "case") to ensure grammatical correctness.

Common error

Avoid using "based on a true" without specifying what it's based on. This omission makes the phrase grammatically incorrect. Instead, use the complete, correct phrase "based on a true story" or "based on a true account".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

"Based on a true" functions as an incomplete adjectival phrase. It aims to modify a noun, indicating the origin or foundation of something in reality. However, without the noun, the phrase is grammatically incomplete, as Ludwig AI also identifies.

Expression frequency: Very common

Frequent in

News & Media

66%

Academia

18%

Wiki

5%

Less common in

Formal & Business

0%

Science

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, while the phrase "based on a true" appears frequently in various sources, particularly in News & Media, it is grammatically incorrect because it's incomplete. As Ludwig AI points out, it requires a noun to follow (e.g., "story", "event"). To ensure correct usage, always complete the phrase (for example by using the expression "based on a true story") or consider alternatives like "inspired by true events" or "drawn from real life". Despite its common occurrence, grammatical accuracy should be prioritized in formal writing.

FAQs

What is the correct way to use the phrase "based on a true"?

The phrase "based on a true" is incomplete and grammatically incorrect. It needs to be followed by a noun, such as "story", "event", or "account". For example, you should say "based on a true story" rather than just "based on a true".

What phrases can I use instead of "based on a true story"?

You can use alternatives such as "inspired by true events", "drawn from real life", or "based on actual events".

Is there a difference between "based on a true story" and "inspired by a true story"?

Yes, "based on a true story" implies a more direct and faithful retelling of actual events, while "inspired by a true story" suggests creative license and fictionalization based on real events.

Why is "based on a true" considered grammatically incorrect?

The phrase "based on a true" is incomplete because it lacks a noun to specify what is being based upon. Grammatically, it requires a noun to function correctly, such as "story", "event", or "account". Omitting this noun leaves the phrase dangling and nonsensical.

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Source & Trust

84%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: