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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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had been investigating until

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "had been investigating until" is correct and usable in written English.
It can be used to indicate that an investigation was ongoing up to a certain point in time. Example: "The detectives had been investigating until they found the crucial piece of evidence that changed everything."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

Former chancellors like Mr. Fernandez and Dr. Crew complained that they often did not know what Mr. Stancik had been investigating until after the information was released to the press.

News & Media

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

She heard nothing about the case from hospice officials and didn't learn it had been investigated until she was contacted by Kaiser Health News.

News & Media

Huffington Post

Decade-old reviews of studies addressing urbanization and malaria by Keiser and others, 11 Tatem and Hay, 7 Hay and others, 3 and Utzinger and Keiser 6 summarized various research projects where this issue had been investigated until then.

Nanocluster generation during PLD has been investigated until recently [24].

In this article, integration of a LiBr/water absorption chiller in a CHP site has been investigated until its cooling demand is satisfied.

This is in line with the claim, that every unisexual flower that has been investigated until now showed a certain degree of initial hermaphroditic characteristics [ 34].

Meanwhile, Elections Canada had been investigating.

News & Media

The Guardian

has been investigating him since last year.

News & Media

The New Yorker

The E.P.A. has been investigating the practice.

News & Media

The New Yorker

"I've been investigating everything," she says.

News & Media

Forbes

Genetic variation in PTPN22 has been investigated in autoimmune diseases, but until recently the role of PTPN22 modulation at the mRNA or protein level had not been considered.

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Expert writing Tips

Best practice

When using the phrase "had been investigating until", ensure the context clearly indicates the endpoint or condition that halted the investigation. This provides clarity and avoids ambiguity about the investigation's status.

Common error

Avoid using "had been investigating until" when the investigation is still ongoing. The 'until' implies a termination or change in the investigation's status, so ensure this aligns with the actual context.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

81%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "had been investigating until" functions as a verb phrase indicating a past continuous action that continued up to a specific point in time. As noted by Ludwig, it's a grammatically correct way to express this idea. The examples provided by Ludwig showcase its usage in various contexts, primarily in news and scientific articles.

Expression frequency: Uncommon

Frequent in

Science

35%

News & Media

57%

Encyclopedias

8%

Less common in

Formal & Business

0%

Reference

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "had been investigating until" is a grammatically sound way to describe an investigation that was ongoing and then stopped at a certain point. Ludwig's examples and the grammatical analysis confirm its correct usage, primarily in neutral to formal contexts like news and scientific articles. While not extremely common, the phrase serves to provide a clear timeline, indicating the duration and endpoint of the investigative activity. When using this phrase, make sure the context clearly defines what marked the end of the investigation. As noted by Ludwig, alternatives like "had been probing until" or "had been examining until" can offer subtle variations in meaning.

FAQs

How can I use "had been investigating until" in a sentence?

Use "had been investigating until" to indicate that an investigation was underway and continued up to a specific point in time. For example, "The detectives "had been investigating until" they found the crucial piece of evidence".

What are some alternatives to "had been investigating until"?

You can use alternatives such as "had been probing until", "had been examining until", or "was under investigation until" depending on the nuance you wish to convey.

Is it correct to say "had been investigating until"?

Yes, "had been investigating until" is grammatically correct. It uses the past perfect continuous tense to show an action that was in progress before another point in the past.

What's the difference between "had been investigating until" and "had investigated until"?

"Had been investigating until" implies a continuous action up to a certain point. "Had investigated until" (though less common) would suggest that the investigation was completed multiple times up to that point, but is grammatically less conventional. The continuous form is generally preferred when describing an ongoing inquiry.

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Source & Trust

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Most frequent sentences: