to stiff
Regular verb: stiff - stiffed- stiffed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I stiff
you stiff
he stiffs
we stiff
you stiff
they stiff 	I'mstiffing
you'restiffing
he'sstiffing
we'restiffing
you'restiffing
they'restiffing	I stiffed
you stiffed
he stiffed
we stiffed
you stiffed
they stiffed	Iwasstiffing
youwerestiffing
hewasstiffing
wewerestiffing
youwerestiffing
theywerestiffing	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've stiffed
you've stiffed
he's stiffed
we've stiffed
you've stiffed
they've stiffed	I'vebeen stiffing
you'vebeen stiffing
he'sbeen stiffing
we'vebeen stiffing
you'vebeen stiffing
they'vebeen stiffing	I'd stiffed
you'd stiffed
he'd stiffed
we'd stiffed
you'd stiffed
they'd stiffed	I'd been stiffing
you'd been stiffing
he'd been stiffing
we'd been stiffing
you'd been stiffing
they'd been stiffing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll stiff
you'll stiff
he'll stiff
we'll stiff
you'll stiff
they'll stiff 	I'll be stiffing
you'll be stiffing
he'll be stiffing
we'll be stiffing
you'll be stiffing
they'll be stiffing	I'll have stiffed
you'll have stiffed
he'll have stiffed
we'll have stiffed
you'll have stiffed
they'll have stiffed	I'll have been stiffing
you'll have been stiffing
he'll have been stiffing
we'll have been stiffing
you'll have been stiffing
they'll have been stiffing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd stiff
you'd stiff
he'd stiff
we'd stiff
you'd stiff
they'd stiff 	I'd be stiffing
you'd be stiffing
he'd be stiffing
we'd be stiffing
you'd be stiffing
they'd be stiffing	I'd have stiffed
you'd have stiffed
he'd have stiffed
we'd have stiffed
you'd have stiffed
they'd have stiffed	I'd have been stiffing
you'd have been stiffing
he'd have been stiffing
we'd have been stiffing
you'd have been stiffing
they'd have been stiffing	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to stiff 	 	stiff
Let's stiff
stiff 	 	

Participle 	
Present 	Past 	 	 	
stiffing	stiffed