have been improved

USAGE SUMMARY

"have been improved" is correct and usable in written English.
You can use it when referring to something that has been improved, usually in the past. For example: "Teaching methods at our school have been improved in recent years."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Routes leading into Croatia have been improved.

Encyclopedia Britannica

How could the interaction have been improved?

The New York Times

It couldn't have been improved.

The New York Times

Internal controls have been improved since then.

The Guardian - Business

A couple of Apple's apps have been improved too.

The Guardian - Tech

Jessica Lynch -- seem to have been improved by editing.

The New York Times

Could this excellent book have been improved in any way?

Nature

There is more glass, and the aerodynamics have been improved.

The New York Times - Sports

The two committee contributions responses have been improved as well.

The New York Times

The Rhine and Neckar have been improved as waterways.

Encyclopedia Britannica

Overall the Cryotherapy approaches have been improved, and the tools used to apply Cryotherapy have been improved.

The New York Times

Expert writing Tips

Best practice

Use "have been improved" to clearly communicate that a specific element, process, or system has undergone positive change or enhancement. Be specific about what "has been improved" and, if possible, how.

Common error

Avoid stating that something "has been improved" without providing context or details. Instead of saying "The system has been improved", specify "The system's security features have been improved with the implementation of multi-factor authentication".

Linguistic Context

The phrase "have been improved" functions as a verb phrase in the present perfect passive voice. It indicates that a subject has undergone a process of enhancement or positive change, with the results of that change still relevant or evident. As confirmed by Ludwig AI, this usage aligns with standard English grammar.

Expression frequency: Very common

Frequent in

News & Media

42%

Science

25%

Academia

18%

Less common in

Encyclopedias

6%

Formal & Business

6%

Wiki

1%

Ludwig's WRAP-UP

In summary, "have been improved" is a versatile and grammatically sound phrase used to communicate that something has undergone positive change. As Ludwig AI confirms, its usage is correct in written English. It’s most frequently found in news, science, and academic writing, emphasizing the advancements made. When using the phrase, be sure to specify what has been enhanced to provide clarity. Alternatives include phrases like "have been enhanced" or "have progressed", depending on the nuance you wish to convey.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

have been enhanced

Replaces "improved" with a synonym emphasizing augmentation or intensification.

have been enhanced

Replaces "improved" with a synonym emphasizing augmentation or intensification.

have progressed

Focuses on the advancement or development aspect of improvement.

have advanced

Highlights the forward movement and development involved.

have become better

A more straightforward way of expressing improvement, suitable for informal contexts.

have shown betterment

More formal way of saying something has improved.

have undergone refinement

Emphasizes the process of fine-tuning and polishing.

have experienced growth

Implies an increase in quality or capability through development.

have evolved positively

Highlights the gradual and beneficial transformation.

have seen advancements

Highlights the forward movement and development involved.

FAQs

How can I use "have been improved" in a sentence?

Use "have been improved" to indicate that something has undergone positive changes or enhancements. For example: "The software's user interface "has been improved" for better accessibility".

What are some alternatives to "have been improved"?

You can use alternatives such as "have been enhanced", "have progressed", or "have advanced" depending on the context.

Is it correct to say "have been improved" or should I use another tense?

"Have been improved" is grammatically correct in the present perfect passive voice. Use it when referring to something that was improved in the past and is still relevant now. For example, "Our customer service policies "have been improved", resulting in higher customer satisfaction".

What is the difference between "have been improved" and "are improved"?

"Have been improved" indicates a past action with present relevance (present perfect), while "are improved" describes a current state (present simple). For example: "The roads have been improved (recently)" versus "The roads are improved (now compared to before)".