have been developed

USAGE SUMMARY

"have been developed" is a correct and usable phrase in written English.
You can use it when referring to something that has been created or progressed over a period of time. For example: "Advanced methods of communication have been developed in recent years."

✓ Grammatically correct

Science

Encyclopedias

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Many hybrids have been developed.

Encyclopedia Britannica

Various synchronization techniques have been developed.

Encyclopedia Britannica

Several forms of gates have been developed.

Encyclopedia Britannica

Hybrids without prickles have been developed.

Encyclopedia Britannica

Cities-within-cities have been developed.

The New Yorker

New lightweight composite materials have been developed.

The Economist

Many different schemes have been developed.

Encyclopedia Britannica

Several techniques have been developed.

The New York Times - Science

Almost 4,000 horticultural varieties have been developed.

Encyclopedia Britannica

No specific figures have been developed.

The New York Times

A couple of prototypes have been developed.

Columbia University

Expert writing Tips

Best practice

Use "have been developed" to describe processes, technologies, or ideas that have been created or improved over time. It is particularly useful in scientific, technical, and formal writing contexts.

Common error

Avoid replacing the passive construction "have been developed" with an active construction if the actor is unknown or irrelevant. The passive voice emphasizes the object that has been developed, rather than who developed it.

Linguistic Context

The phrase "have been developed" functions as a passive construction within a sentence. Ludwig AI confirms its correct usage in indicating that something has undergone a process of creation, improvement, or evolution.

Expression frequency: Very common

Frequent in

Science

54%

Encyclopedias

12%

News & Media

18%

Less common in

Academia

2%

Formal & Business

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "have been developed" is a grammatically sound and frequently used expression indicating that something has been created or has progressed over time. As validated by Ludwig AI, this passive construction serves to emphasize the object of development rather than the actor, and is commonly found in scientific, encyclopedic, and news contexts. While versatile, it's important to consider alternative phrases like "have been created" or "have been established" to suit the specific nuances of your writing. Be mindful to avoid misusing active voice when the actor is unknown or irrelevant to maintain clarity and focus on the subject matter.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

have been created

Focuses more on the act of creation, implying something entirely new has come into existence.

have been established

Suggests something has been set up or founded, often implying a formal or institutional context.

have been formed

Implies a process of taking shape or coming into being, often in a more natural or less deliberate way.

have been designed

Emphasizes the planning and intention behind the development of something.

have been implemented

Focuses on the practical application or execution of a plan or idea.

have been introduced

Highlights the act of bringing something new into use or circulation.

have been pioneered

Suggests innovative or groundbreaking development in a particular field.

have emerged

Indicates a gradual appearance or rise to prominence, often from less defined beginnings.

have evolved

Implies a process of gradual change and adaptation over time.

have advanced

Highlights progress and improvement in a particular area.

FAQs

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

The phrase "have been developed" is used to indicate that something has been created or improved over time. For example, "New software applications "have been developed" to improve data analysis."

What is a synonym for "have been developed"?

Alternatives to "have been developed" include "have been created", "have been established", or "have been designed", depending on the specific context.

Is it better to use active or passive voice with "have been developed"?

The choice depends on the context. Passive voice, as in "have been developed", is useful when the actor is unknown or less important than the object. Active voice is better when you want to emphasize who or what did the developing.

What's the difference between "have been developed" and "are being developed"?

"Have been developed" indicates that something is complete, while "are being developed" suggests it is currently in progress. For example, "New vaccines "have been developed"" means the development is finished, whereas "New vaccines "are being developed"" implies the process is ongoing.