English verb conjugation
TO SIGN

Regular verb: sign - signed - signed

Indicative

Present	Present continuous	Preterite	Preterite continuous
I sign you sign he signs we sign you sign they sign	I'm signing you're signing he's signing we're signing you're signing they're signing	I signed you signed he signed we signed you signed they signed	I was signing you were signing he was signing we were signing you were signing they were signing
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
I've signed you've signed he's signed we've signed you've signed they've signed	I've been signing you've been signing he's been signing we've been signing you've been signing they've been signing	I'd signed you'd signed he'd signed we'd signed you'd signed they'd signed	I'd been signing you'd been signing he'd been signing we'd been signing you'd been signing they'd been signing
Future	Future continuous	Future perfect	Future perfect continuous
I'll sign you'll sign he'll sign we'll sign you'll sign they'll sign	I'll be signing you'll be signing he'll be signing we'll be signing you'll be signing they'll be signing	I'll have signed you'll have signed he'll have signed we'll have signed you'll have signed they'll have signed	I'll have been signing you'll have been signing he'll have been signing we'll have been signing you'll have been signing they'll have been signing

Conditional

Present	Present continuous	Past	Past continuous
I'd sign you'd sign he'd sign we'd sign you'd sign they'd sign	I'd be signing you'd be signing he'd be signing we'd be signing you'd be signing they'd be signing	I'd have signed you'd have signed he'd have signed we'd have signed you'd have signed they'd have signed	I'd have been signing you'd have been signing he'd have been signing we'd have been signing you'd have been signing they'd have been signing

Infinitive

Imperative

Infinitive		Imperative
to sign		sign Let's sign sign

Participle

Present	Past
signing	signed