will stiff
Regular verb: stiff - stiffed- stiffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll stiff
you'll stiff
she'll stiff
we'll stiff
you'll stiff
they'll stiff 	I'll be stiffing
you'll be stiffing
she'll be stiffing
we'll be stiffing
you'll be stiffing
they'll be stiffing	I'll have stiffed
you'll have stiffed
she'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
she'll have been stiffing
we'll have been stiffing
you'll have been stiffing
they'll have been stiffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I won't stiff
you won't stiff
she won't stiff
we won't stiff
you won't stiff
they won't stiff 	I won't be stiffing
you won't be stiffing
she won't be stiffing
we won't be stiffing
you won't be stiffing
they won't be stiffing	I won't have stiffed
you won't have stiffed
she won't have stiffed
we won't have stiffed
you won't have stiffed
they won't have stiffed	I won't have been stiffing
you won't have been stiffing
she won't have been stiffing
we won't have been stiffing
you won't have been stiffing
they won't have been stiffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I stiff?
will you stiff?
will she stiff?
will we stiff?
will you stiff?
will they stiff? 	will I be stiffing?
will you be stiffing?
will she be stiffing?
will we be stiffing?
will you be stiffing?
will they be stiffing? 	will I have stiffed?
will you have stiffed?
will she have stiffed?
will we have stiffed?
will you have stiffed?
will they have stiffed? 	will I have been stiffing?
will you have been stiffing?
will she have been stiffing?
will we have been stiffing?
will you have been stiffing?
will they have been stiffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
won't I stiff?
won't you stiff?
won't she stiff?
won't we stiff?
won't you stiff?
won't they stiff? 	won't I be stiffing?
won't you be stiffing?
won't she be stiffing?
won't we be stiffing?
won't you be stiffing?
won't they be stiffing? 	won't I have stiffed?
won't you have stiffed?
won't she have stiffed?
won't we have stiffed?
won't you have stiffed?
won't they have stiffed? 	won't I have been stiffing?
won't you have been stiffing?
won't she have been stiffing?
won't we have been stiffing?
won't you have been stiffing?
won't they have been stiffing?