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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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had underwent

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "had underwent" is not correct in English.
The correct form is "had undergone." You can use "had undergone" to describe an action that was completed in the past before another past action. Example: "She had undergone surgery before she started her recovery process."

⚠ May contain grammatical issues

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

In the group of children, 9 children had underwent laparotomies, 2 had underwent two laparotomies and 3 had underwent three laparotomies.

At the age of 10 months old while his weight was 4.8 kg, the infant had underwent a laparoscopic surgery for repair of the gastrointestinal anomalies; the baby was transferred to the operating room with a 3.5-mm endotracheal tube (ETT) inserted into the trachea.

Out of 120 patients, USG was positive in 114 patients, and foreign body was retrieved from 108 patients, and in six patients for whom USG was falsely positive, five had underwent at least one previous surgical exploration, whereas among the six patients in whom USG was negative, foreign body was retrieved in one patient who had chronic discharge near ankle region.

One hundred and twenty patients underwent surgical exploration; among them 114 patients had a positive USG, and foreign body was retrieved from 108 patients, and in the rest of six patients in whom USG was positive, five had underwent at least one previous exploration.

The number of synonymous substitutions/site/year revealed that class REM IX genes had underwent a duplication event about 4 to 14 million years ago, corroborating the hypotheses mentioned before that specific class of REM genes result from recent duplication events (Table S6).

Science

Plosone

Furthermore, postoperative severe airway complications were not observed in the patients who had underwent the blind repositioning of DLTs.> -wrap-foot> Vareexpressedpressed as number of patients.

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Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

Recently it had undergone some financial strain.

News & Media

The New York Times

Since then, Osama had undergone a transformation.

News & Media

The New Yorker

The couple had undergone genetic testing beforehand.

News & Media

The New York Times

Clearly Tralin had undergone a transfor­mation.

Coincidentally, Ms. Bonaro had undergone one, too.

News & Media

The New York Times
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Expert writing Tips

Best practice

Always use "had undergone" instead of "had underwent". This is the grammatically correct past perfect form of the verb 'undergo'.

Common error

Avoid using "had underwent" because it incorrectly mixes the auxiliary verb 'had' with the base form of 'undergo'. Remember to use the past participle 'undergone' with 'had' to form the past perfect tense.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

2.2/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "had underwent" is an incorrect form of the past perfect tense. The correct form uses the past participle 'undergone'. The incorrect usage is highlighted by Ludwig, which identifies it as grammatically flawed.

Expression frequency: Uncommon

Frequent in

Science

43%

News & Media

29%

Academia

28%

Less common in

Encyclopedias

0%

Wiki

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, the phrase "had underwent" is a grammatically incorrect construction. The correct past perfect form is "had undergone". While Ludwig's analysis of various sources reveals that "had underwent" appears in some contexts (including scientific and news media), it is not considered standard English. As Ludwig AI points out, the use of the base form 'underwent' with 'had' is a grammatical error. To ensure clarity and accuracy in writing, always opt for "had undergone" or other suitable alternatives like "had experienced" or "had gone through".

FAQs

What is the correct form, "had underwent" or "had undergone"?

The correct form is "had undergone". "Had underwent" is grammatically incorrect.

How can I use "had undergone" in a sentence?

"Had undergone" is used to describe an action completed before another action in the past. Example: 'She had undergone surgery before she started her recovery process.'

What are some alternatives to "had undergone"?

Depending on the context, you can use alternatives like "had experienced", "had gone through", or "had been subjected to".

Is "had underwent" ever acceptable in writing?

No, "had underwent" is not considered acceptable in standard English writing. Always use "had undergone" instead.

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Source & Trust

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Authority and reliability

2.2/5

Expert rating

Real-world application tested

Most frequent sentences: