English verb conjugation
TO UNDERSIGN

Regular verb: undersign - undersigned - undersigned

Indicative

Present	Present continuous	Preterite	Preterite continuous
I undersign you undersign he undersigns we undersign you undersign they undersign	I'm undersigning you're undersigning he's undersigning we're undersigning you're undersigning they're undersigning	I undersigned you undersigned he undersigned we undersigned you undersigned they undersigned	I was undersigning you were undersigning he was undersigning we were undersigning you were undersigning they were undersigning
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
I've undersigned you've undersigned he's undersigned we've undersigned you've undersigned they've undersigned	I've been undersigning you've been undersigning he's been undersigning we've been undersigning you've been undersigning they've been undersigning	I'd undersigned you'd undersigned he'd undersigned we'd undersigned you'd undersigned they'd undersigned	I'd been undersigning you'd been undersigning he'd been undersigning we'd been undersigning you'd been undersigning they'd been undersigning
Future	Future continuous	Future perfect	Future perfect continuous
I'll undersign you'll undersign he'll undersign we'll undersign you'll undersign they'll undersign	I'll be undersigning you'll be undersigning he'll be undersigning we'll be undersigning you'll be undersigning they'll be undersigning	I'll have undersigned you'll have undersigned he'll have undersigned we'll have undersigned you'll have undersigned they'll have undersigned	I'll have been undersigning you'll have been undersigning he'll have been undersigning we'll have been undersigning you'll have been undersigning they'll have been undersigning

Conditional

Present	Present continuous	Past	Past continuous
I'd undersign you'd undersign he'd undersign we'd undersign you'd undersign they'd undersign	I'd be undersigning you'd be undersigning he'd be undersigning we'd be undersigning you'd be undersigning they'd be undersigning	I'd have undersigned you'd have undersigned he'd have undersigned we'd have undersigned you'd have undersigned they'd have undersigned	I'd have been undersigning you'd have been undersigning he'd have been undersigning we'd have been undersigning you'd have been undersigning they'd have been undersigning

Infinitive

Imperative

Infinitive		Imperative
to undersign		undersign Let's undersign undersign

Participle

Present	Past
undersigning	undersigned