he has undergone operation vs he had undergone operation

Both phrases are correct, but they are used in different contexts. "He has undergone operation" is used to indicate that the operation was recently completed and the effects are still relevant in the present. On the other hand, "he had undergone operation" is used to indicate that the operation was completed in the past and is not necessarily relevant to the present.

Last updated: March 31, 2024

he has undergone operation

This phrase is correct and commonly used in English.

This phrase is used to indicate that the operation was recently completed and the effects are still relevant in the present.

Examples:

He has undergone an operation and is now recovering at home.
She has undergone surgery and is expected to make a full recovery.

Alternatives:

He underwent an operation.
He has had an operation.
He has undergone surgery.
He has had surgery.

he had undergone operation

This phrase is correct and commonly used in English.

This phrase is used to indicate that the operation was completed in the past and is not necessarily relevant to the present.

Examples:

He had undergone an operation before he started experiencing complications.
By the time he arrived at the hospital, he had already undergone surgery.

Alternatives:

He had an operation.
He had undergone surgery.
He underwent an operation.
He has undergone an operation.

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he has undergone operation vs he had undergone operation