had been testing

USAGE SUMMARY

The phrase "had been testing" is correct and usable in written English.
It is typically used to describe an action that was ongoing in the past before another action occurred. Example: "She had been testing the software for several weeks before the final release."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

49 human-written examples

The buildup had been testing, with the national state of emergency lending an understandable edginess.

The Guardian - Sport

The device was the one the DeBakey team had been testing on calves.

The New York Times - Health

The team had been testing a new engine, and it failed, he explained.

The New Yorker

For the last few years, Jesse, like Shirlina, had been testing his limits, particularly in school.

The New York Times

Colgate had been testing an antibacterial agent it wanted to add to toothpaste, Mr. Staple said.

The New York Times - Science

Johnson & Johnson had been testing a controlled-release form of Topamax in obese patients with Type 2 diabetes.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

11 human-written examples

I had been tested at school.

The New Yorker

The clergy council had been tested before.

The New York Times

What precisely had been tested?

The Guardian

She had been tested and found wanting.

The New Yorker

No subject had been tested previously.

Plosone

Expert writing Tips

Best practice

Use "had been testing" to indicate an action that was ongoing in the past before another event or a specific time. For example, "The company had been testing the new software for six months before its official release."

Common error

Avoid using "had been testing" when the context requires a simpler past tense. For instance, instead of "They had been testing the product and then they launched it", consider "They tested the product and then launched it" if the duration isn't crucial.

Linguistic Context

The phrase "had been testing" functions as a past perfect continuous verb phrase. It indicates an action that was in progress over a period of time that ended before another point in the past. As shown by Ludwig, it describes a process of experimentation or evaluation that took place before a subsequent event.

Expression frequency: Very common

Frequent in

News & Media

64%

TechCrunch

14%

The New York Times

10%

Less common in

The Guardian

6%

Forbes

2%

Science

2%

Ludwig's WRAP-UP

In summary, the phrase "had been testing" is a past perfect continuous verb phrase used to describe an action that was in progress before a specific point in the past. Ludwig AI confirms its grammatical correctness and frequent usage across various contexts. It appears most commonly in news and media, highlighting experiments, evaluations, and trials across diverse fields. While grammatically sound, it's important to use it accurately to convey the intended meaning, particularly in relation to the timing of events. Alternatives such as "was evaluating" or "was experimenting with" can be used depending on the nuance you want to express.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

was experimenting with

Emphasizes the exploratory and trial-and-error nature of the activity.

was evaluating

Focuses on the assessment aspect rather than the experimentation itself.

had been running trials on

Implies a more structured and controlled testing process.

was trialing

A more formal term for testing, often used in business or scientific contexts.

had been piloting

Refers to a small-scale, preliminary test of a new system or product.

was assessing

Highlights the measurement and judgment aspect of the testing process.

had been assessing the effectiveness of

Focuses specifically on evaluating how well something works.

was putting through its paces

Emphasizes a thorough and comprehensive evaluation of performance.

was checking

Implies a simpler, more basic form of testing or verification.

was trying out

A more informal way of saying testing, suggesting a less rigorous approach.

FAQs

How is "had been testing" used in a sentence?

The phrase "had been testing" indicates a continuous action in the past, completed before another action or point in time. For example, "The engineers "had been testing" the bridge's structural integrity for months before the grand opening".

What are some alternatives to "had been testing"?

Depending on the context, you can use alternatives like "was evaluating", "was experimenting with", or "was trialling".

What's the difference between "had been testing" and "tested"?

"Had been testing" implies a continuous action over a period in the past, while "tested" indicates a completed action. For example, "They "had been testing" the engine for weeks" emphasizes the duration, whereas "They "tested" the engine" simply states that the test occurred.

Is it correct to say "has been testing" instead of "had been testing"?

The choice depends on the timeline. "Has been testing" refers to a continuous action that started in the past and continues to the present, while "had been testing" refers to an action completed in the past before another action occurred. For example, "The lab "has been testing" samples since yesterday" versus "The lab "had been testing" samples before the audit".