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

has reduced

Grammar usage guide and real-world examples

USAGE SUMMARY

"has reduced" is a correct and usable part of a sentence in written English.
It is a form of the verb "reduce" which means "to make something smaller or less in amount, degree, or size". For example: "The new public transport system has reduced commute times for workers in the city."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"It certainly has reduced it".

News & Media

The New York Times

"The government has reduced spending.

News & Media

The New York Times

It has reduced prosperity.

News & Media

The Guardian

The downturn has reduced tourist arrivals.

News & Media

The Economist

Deutsche has reduced its proprietary-trading activities.

News & Media

The Economist

No gun ban has reduced murder rates.

News & Media

The New York Times

Meanwhile, Colgate has reduced packaging.

News & Media

The Guardian

Why has reduced consumption been rejected?

And that swelling has reduced somewhat".

Polifka has reduced broccoli to powder.

The banks' appetite for risk has reduced.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

When using "has reduced", ensure the context clearly indicates what has been diminished and the extent of the reduction. For example, "The company has reduced its carbon emissions by 20%."

Common error

Avoid using "has reduced" without specifying what is being reduced. For instance, instead of saying "The program has reduced", specify "The program has reduced the error rate."

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

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "has reduced" functions as a verb phrase, specifically the present perfect tense, indicating that an action of diminishing or lessening has been completed at some point in the past and has relevance to the present. According to Ludwig AI, the phrase is grammatically correct.

Expression frequency: Very common

Frequent in

News & Media

78%

Academia

10%

Science

12%

Less common in

Ludwig's WRAP-UP

The phrase "has reduced" is a versatile and grammatically sound verb phrase used to express the action of diminishing or lessening something. Ludwig AI confirms its correctness and widespread usage. Its neutral register and presence across diverse sources—including News & Media, Academia, and Science—underscore its adaptability in both formal and informal communication. Common alternatives include "has decreased", "has lessened", and "has diminished", offering nuanced ways to convey similar meanings. When employing "has reduced", ensure clarity by specifying what has been diminished to maintain precision in your writing.

FAQs

How do I use "has reduced" in a sentence?

The phrase "has reduced" indicates that something has been made smaller or less. For example: "The new policy "has reduced unemployment"", or "Technology "has reduced travel time"".

What are some alternatives to "has reduced"?

Depending on the context, you can use phrases like "has decreased", "has lessened", or "has diminished" to convey a similar meaning.

Is it correct to say "has been reduced" instead of "has reduced"?

Yes, "has been reduced" is also correct, but it employs a passive voice, where the subject receives the action. "Has reduced" is active voice, where the subject performs the action. For example: "The company has reduced costs" (active) vs. "Costs have been reduced by the company" (passive).

What's the difference between "has reduced" and "reduced"?

"Has reduced" is the present perfect tense, indicating an action completed at some point in the past that has a continuing effect. "Reduced" can be the simple past tense or a past participle. For example: "The team has reduced errors this quarter" (present perfect) vs. "The team reduced errors last quarter" (simple past).

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

84%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: