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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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had carried out

Grammar usage guide and real-world examples

USAGE SUMMARY

"had carried out" is correct and usable in written English.
It is a past perfect tense form of the verb "carry out", which means to complete or fulfill something. Example: The team had carried out the task as instructed.

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Hirst had carried out his task.

News & Media

The Guardian

The company said it had carried out a detailed investigation.

News & Media

The Guardian

My aunt had carried out the ritual without their consent.

It had carried out its task of mediation and conciliation.

News & Media

The Guardian

The Islamist group said it had carried out the attack.

News & Media

The Guardian

"Because the Chinese had carried out economic reforms more efficiently".

Police had carried out about 40 house searches overnight.

News & Media

The Guardian

Besides, we had carried out intensive theoretical research in the relevant topic.

COL.AMEN: Were you subsequently questioned as to whether you had carried out this order?

Local media suggested a former police intelligence officer had carried out the attack.

News & Media

The Guardian

Hamas neither confirmed nor denied that it had carried out the attack.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

When using "had carried out", ensure that the context clearly establishes a past perfect tense, indicating an action completed before another point in the past. For instance, "Before the audit began, the team had carried out a thorough review of the records."

Common error

Avoid using the simple past tense ("carried out") when the past perfect ("had carried out") is necessary to show the sequence of events. Using "carried out" without "had" can obscure the timeline, making it unclear which action occurred first. Instead of saying "The team carried out the review before the audit began", clarify the sequence by stating "The team had carried out the review before the audit began."

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "had carried out" functions as a past perfect verb phrase, indicating an action that was completed before another point in time. Ludwig's examples show it's used to describe completed tasks, investigations, attacks, and reforms. Ludwig AI confirms that it is correct and usable in written English.

Expression frequency: Very common

Frequent in

News & Media

79%

Academia

13%

Science

8%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "had carried out" is a past perfect verb phrase used to indicate that an action was completed before another point in time. Ludwig's analysis, together with numerous examples from diverse sources, confirms that it is both grammatically correct and widely used. As Ludwig AI highlights, its purpose is to establish a sequence of events in the past, often found in neutral to professional contexts like news reporting and academic research. Remember to use "had carried out" to clearly show the order of past actions, avoiding the common mistake of using the simple past tense when the past perfect is more appropriate.

FAQs

How is "had carried out" used in a sentence?

"Had carried out" indicates that an action was completed before another action in the past. For example, "The scientists had carried out the experiment before publishing the results."

What are some alternatives to "had carried out"?

You can use alternatives such as "had executed", "had performed", or "had undertaken" depending on the specific context.

When should I use "had carried out" versus "carried out"?

Use "had carried out" when you need to emphasize that an action was completed before another action in the past. Use "carried out" for simple past actions without needing to specify a sequence relative to another past event.

Is "had carried out" formal or informal?

"Had carried out" is suitable for both formal and informal contexts. Its appropriateness depends more on the surrounding vocabulary and sentence structure than on the phrase itself.

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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: