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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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have been testing

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "have been testing" is correct and usable in written English.
You can use it to indicate something that has been happening for an extended period of time. For example: "We have been testing new recipes in the kitchen all week."

✓ Grammatically correct

News & Media

Science

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

Irish Museum Of Modern Art, to 21 Sep RC Farnborough's wind tunnels have been testing aircraft since 1917.

But the electronic verification system we have been testing since the mid-90s has two major problems: it doesn't prevent unauthorized workers from working and it erroneously prevents some U.S. citizens and legal immigrants from working.

News & Media

Huffington Post

Station astronauts powered up Robonaut 2 in August and have been testing it ever since.

News & Media

Huffington Post

Even so, efforts to improve linkage to care will become more critical given the increased demand on the health services from the change in ART-eligibility criteria (CD4 ≤ 350), and the increased numbers of people who have been testing since the introduction of the National Department of Health's National HIV campaign that started in 2010 [ 34].

So of course I clicked on the link and have been "testing" the game ever since.

News & Media

TechCrunch

The house would have been tested, and since the source of the poisons is the baby blanket, it would have been found immediately.

Broiler flocks have been tested for Salmonella since 1989 and for Campylobacter since the end of 1995.

More than 8,500 cattle have been tested since the department revamped its testing on June 1, Dr. Clifford said, and all but two have been negative on preliminary tests that take less than three hours.

News & Media

The New York Times

"It is clear that the Supreme Court will be tried in ways that few courts have been tested since the earliest days of the republic, when constitutional questions abounded".

News & Media

Huffington Post

Although some scanners have been tested in Israel since then, security officials continue to refuse to use the machines as a primary method of screening.

News & Media

Huffington Post

Many HIV medication adherence interventions have been tested since the introduction of antiretroviral therapies.

Show more...

Expert writing Tips

Best practice

Use "have been testing" to describe an ongoing process of evaluation or experimentation. It emphasizes the duration and continuity of the testing activity.

Common error

Avoid using simple past tense ("tested") when you want to emphasize the continuing nature of the testing process. "Tested" implies a completed action, while "have been testing" indicates an ongoing activity.

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

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The primary grammatical function of "have been testing" is to form the present perfect continuous tense. This tense indicates an action that started in the past, continues into the present, and may continue into the future. Ludwig AI confirms its correct usage.

Expression frequency: Very common

Frequent in

News & Media

35%

Science

35%

Formal & Business

10%

Less common in

Encyclopedias

5%

Wiki

5%

Reference

5%

Ludwig's WRAP-UP

In summary, "have been testing" is a grammatically sound phrase used to describe an ongoing process of evaluation or experimentation. Ludwig AI confirms its validity and provides numerous examples across diverse fields. Its neutral register makes it suitable for various writing contexts. Remember to use it when emphasizing the continuity of a testing process, and explore alternatives like "have been evaluating" or "have been experimenting with" for nuanced meanings.

FAQs

How do I use "have been testing" in a sentence?

Use "have been testing" to describe an action of evaluating something that started in the past and is still ongoing. For example, "We "have been testing" the software for the last six months."

What are some alternatives to "have been testing"?

You can use alternatives such as "have been evaluating", "have been assessing", or "have been experimenting with" depending on the specific context.

What is the difference between "have tested" and "have been testing"?

"Have tested" implies a completed action of testing at some point in the past, whereas ""have been testing"" suggests that the testing process began in the past and is still continuing.

Is "have been testing" formal or informal?

The phrase ""have been testing"" is suitable for both formal and informal contexts. Its appropriateness depends more on the surrounding vocabulary and sentence structure.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: