Undergo: undergo – underwent – undergone
Irregular verb, level B1.
Base form (V1)undergo
Past simple (V2)underwent
Past participle (V3)undergone
Meaning
Go through something hard or a change.
Examples for each form
Base form (V1)
The patient must undergo a test tomorrow.
Past simple (V2)
She underwent a long operation last year.
Past participle (V3)
He has undergone many changes this year.
Check yourself
Write the past simple and the past participle of undergo.
All three forms are different
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