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he had undergone an operation vs he had underwent an operation

The correct phrase is "he had undergone an operation." The verb "undergo" is followed by the past participle "undergone" in this context. The phrase "he had underwent an operation" is incorrect.

Last updated: March 27, 2024 • 1623 views

he had undergone an operation

This phrase is correct and commonly used in English.

This phrase is used to indicate that someone has experienced or gone through a medical procedure or surgery in the past.

Examples:

  • He had undergone an operation to remove his appendix.
  • After he had undergone an operation, he needed time to recover.
  • She had undergone an operation on her knee last year.
  • The patient had undergone an operation to repair a heart valve.
  • They had undergone an operation to separate conjoined twins.
  • Anteo had undergone an operation on his tongue to reshape the spaces of his mouth to approximately coincide with the proportions of the singing apparatus of the starling.
  • Our colleague, Mr Brok, has undergone an operation.
  • How would you feel if you had undergone such an operation?
  • "Prepared fishery products" means unprocessed fishery products that have undergone an operation affecting their anatomical wholeness, such as gutting, heading, slicing, filleting, and chopping.
  • 'Prepared fishery products' means unprocessed fishery products that have undergone an operation affecting their anatomical wholeness, such as gutting, heading, slicing, filleting, and chopping.
  • 'prepared products' means any fishery product which has undergone an operation affecting its anatomical wholeness, such as gutting, heading, slicing, filleting, chopping, etc.;
  • 5. 'prepared products' means any fishery product which has undergone an operation affecting its anatomical wholeness, such as gutting, heading, slicing, filleting, chopping, etc.;
  • have not undergone operations there other than unloading and reloading.
  • -have not undergone operations other than unloading, reloading or any operation intended to keep them in good condition;
  • have not undergone operations other than unloading, reloading and any operation intended to keep them in good condition;
  • - they have not undergone any operations beyond what is necessary to preserve them in good condition while in that country.
  • Community goods which have undergone processing operations within a free zone;
  • -have not undergone operations other than unloading, reloading or any operation designed to keep them in good condition there;
  • - have not entered into commerce or been released for consumption, and - have not undergone operations other than loading, reloading or any other operation intended to keep them in good condition.
  • b) they have undergone normal tending operations.
  • have undergone a surgical operation or invasive procedure;
  • have undergone a surgical operation or invasive procedure;
  • We need to ensure that the cost of treatment following an operation undergone in a different Member State does not result in additional costs being charged to the healthcare professionals in the patient's Member State of affiliation, particularly in the case of emergency operations.
  • they have not undergone any operations beyond that necessary to preserve them in good condition while in that country.
  • (b) Community goods which have undergone processing operations within a free zone;

he had underwent an operation

This phrase is incorrect in English.

  • He recently underwent an operation for appendicitis and raced against a tremendous physical handicap.
  • In 2003, the patient underwent an operation to transplant hematopoietic stem cells from her two-year-old sister, as her illness was not responding to standard forms of treatment and she was at risk of dying.
  • 78-year-old Mykolas Burokevicius, who has been held in prison in Vilnius for 12 years for his political views and activities, underwent a complicated heart operation on 25 November.
  • which would have been applicable to the temporary export goods if they had been imported into the Member State concerned from the country where they underwent the processing operation or the last such operation.
  • amount to be deducted means: the import duties which would have been applicable to the temporary export goods if they had been imported into the customs territory of the Community from the country in which they underwent the processing operation or the last processing operation;
  • (h) amount to be deducted means: the import duties which would have been applicable to the temporary export goods if they had been imported into the customs territory of the Community from the country in which they underwent the processing operation or the last processing operation;
  • And about four or five months ago, he underwent an experimental procedure.
  • This painting underwent an extensive authentication process when it arrived here a year and a half ago.
  • This painting underwent an extensive authentication process when it arrived here a year and a half ago.
  • I, the undersigned, official veterinarian, hereby certify that the animals described above underwent an ante-mortem inspection at the above holding at.
  • It appears that the last time the vessel underwent an inspection as required in the European Union under the Paris Memorandum was in 1999.
  • Public health, education, transport, water and sewerage services underwent an accelerated worsening, such services being practically absent in many villages in the less developed countries of the European Union.
  • However, the new product types mentioned in the request underwent an additional process aimed at adding primary nutrients [9] other than N, i.e. P and/or K, whose presence transformed the product into a compound fertiliser [10].
  • Special Ops has an operation underway.
  • Clocked out as an operations chief.
  • An operation like that takes money.
  • Destroying an operation they likely took years to build.
  • - Your son needed an operation...
  • underwent an acidification process such that the pH was maintained at less than 6 to the core for at least one hour before drying, and
  • We just took him for an operation.

Alternatives:

  • he had undergone an operation
  • he underwent an operation
  • he has undergone an operation
  • he was undergoing an operation
  • he will undergo an operation

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