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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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that have failed

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "that have failed" is correct and usable in written English.
It can be used to refer to things, processes, or individuals that did not succeed or meet expectations. Example: "The projects that have failed will be reviewed to understand the reasons behind their lack of success."

✓ Grammatically correct

News & Media

Science

Formal & Business

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

There have been stores that have failed, like Wunderkind.

News & Media

The New York Times

"These are in patients that have failed everything.

News & Media

The Guardian

Those retailers that have failed to keep up have suffered.

News & Media

The New York Times

Thus, progesterone has joined the numerous neuroprotective candidates that have failed in clinical trials.

The number of large wind power schemes that have failed is growing.

Reconstructive surgery usually requires a prosthetic implant to replace or augment tissues that have failed.

The car industry is littered with examples of marriages that have failed.

News & Media

The Economist

But there's an equally long list of vital innovations that have failed to catch on.

News & Media

The New Yorker

Second, we also consider a wider exit of other countries that have failed the euro test.

News & Media

The Economist

Governments are unconvincingly shoring up expensive welfare states that have failed to match their promise.

News & Media

The Economist

It has been public utilities, not private companies, that have failed the poor.

News & Media

The Economist
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Expert writing Tips

Best practice

When using the phrase "that have failed", ensure the subject it modifies is clearly defined to avoid ambiguity. For instance, specify "the strategies that have failed" rather than just "those that have failed".

Common error

Avoid using "that has failed" when referring to multiple subjects. The correct form, "that have failed", reflects the plural nature of the subjects being described.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "that have failed" functions as a relative clause, modifying a noun or pronoun by providing additional information about it. Ludwig examples show its ability to specify and describe subjects that experienced unsuccessful outcomes.

Expression frequency: Very common

Frequent in

News & Media

52%

Science

30%

Formal & Business

10%

Less common in

Encyclopedias

3%

Reference

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "that have failed" functions as a relative clause, effectively pinpointing entities marked by their lack of success. Ludwig AI analysis shows that this grammatically sound expression commonly appears in news, scientific, and business contexts, maintaining a neutral register. Alternatives such as "that didn't succeed" or "that were unsuccessful" offer similar meanings with slight variations in tone. When employing this phrase, guarantee accurate subject-verb agreement and clarity in defining the subject to maintain a professional and error-free writing style.

FAQs

What's a simpler way to say "that have failed"?

You can use simpler alternatives like "that didn't succeed" or "that didn't work" depending on the context.

When is it appropriate to use "that have failed"?

It is appropriate to use "that have failed" when you want to describe multiple entities (projects, attempts, systems) that didn't achieve their intended outcome or meet expectations. Ensure correct subject-verb agreement.

How does "that have failed" differ from "that failed"?

"That failed" implies a completed action in the past, while "that have failed" suggests a process or ongoing situation that has resulted in failure up to the present. The latter requires a plural subject.

What are some formal alternatives to "that have failed"?

For a more formal tone, consider alternatives like "that were unsuccessful" or "that proved ineffective". The best choice will depend on the specific nuance you wish to convey.

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Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: