English verb conjugation
TO UNDERGO

Irregular verb: undergo - underwent - undergone

Indicative

Present	Present continuous	Preterite	Preterite continuous
I undergo you undergo he undergoes we undergo you undergo they undergo	I'm undergoing you're undergoing he's undergoing we're undergoing you're undergoing they're undergoing	I underwent you underwent he underwent we underwent you underwent they underwent	I was undergoing you were undergoing he was undergoing we were undergoing you were undergoing they were undergoing
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
I've undergone you've undergone he's undergone we've undergone you've undergone they've undergone	I've been undergoing you've been undergoing he's been undergoing we've been undergoing you've been undergoing they've been undergoing	I'd undergone you'd undergone he'd undergone we'd undergone you'd undergone they'd undergone	I'd been undergoing you'd been undergoing he'd been undergoing we'd been undergoing you'd been undergoing they'd been undergoing
Future	Future continuous	Future perfect	Future perfect continuous
I'll undergo you'll undergo he'll undergo we'll undergo you'll undergo they'll undergo	I'll be undergoing you'll be undergoing he'll be undergoing we'll be undergoing you'll be undergoing they'll be undergoing	I'll have undergone you'll have undergone he'll have undergone we'll have undergone you'll have undergone they'll have undergone	I'll have been undergoing you'll have been undergoing he'll have been undergoing we'll have been undergoing you'll have been undergoing they'll have been undergoing

Conditional

Present	Present continuous	Past	Past continuous
I'd undergo you'd undergo he'd undergo we'd undergo you'd undergo they'd undergo	I'd be undergoing you'd be undergoing he'd be undergoing we'd be undergoing you'd be undergoing they'd be undergoing	I'd have undergone you'd have undergone he'd have undergone we'd have undergone you'd have undergone they'd have undergone	I'd have been undergoing you'd have been undergoing he'd have been undergoing we'd have been undergoing you'd have been undergoing they'd have been undergoing

Infinitive

Imperative

Infinitive		Imperative
to undergo		undergo Let's undergo undergo

Participle

Present	Past
undergoing	undergone