to sign
Regular verb: sign - signed- signed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I sign
you sign
she signs
we sign
you sign
they sign 	I'msigning
you'resigning
she'ssigning
we'resigning
you'resigning
they'resigning	I signed
you signed
she signed
we signed
you signed
they signed	Iwassigning
youweresigning
shewassigning
weweresigning
youweresigning
theyweresigning	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've signed
you've signed
she's signed
we've signed
you've signed
they've signed	I'vebeen signing
you'vebeen signing
she'sbeen signing
we'vebeen signing
you'vebeen signing
they'vebeen signing	I'd signed
you'd signed
she'd signed
we'd signed
you'd signed
they'd signed	I'd been signing
you'd been signing
she'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
she'll sign
we'll sign
you'll sign
they'll sign 	I'll be signing
you'll be signing
she'll be signing
we'll be signing
you'll be signing
they'll be signing	I'll have signed
you'll have signed
she'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
she'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
she'd sign
we'd sign
you'd sign
they'd sign 	I'd be signing
you'd be signing
she'd be signing
we'd be signing
you'd be signing
they'd be signing	I'd have signed
you'd have signed
she'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
she'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