will tiff
Regular verb: tiff - tiffed- tiffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll tiff
you'll tiff
he'll tiff
we'll tiff
you'll tiff
they'll tiff 	I'll be tiffing
you'll be tiffing
he'll be tiffing
we'll be tiffing
you'll be tiffing
they'll be tiffing	I'll have tiffed
you'll have tiffed
he'll have tiffed
we'll have tiffed
you'll have tiffed
they'll have tiffed	I'll have been tiffing
you'll have been tiffing
he'll have been tiffing
we'll have been tiffing
you'll have been tiffing
they'll have been tiffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I won't tiff
you won't tiff
he won't tiff
we won't tiff
you won't tiff
they won't tiff 	I won't be tiffing
you won't be tiffing
he won't be tiffing
we won't be tiffing
you won't be tiffing
they won't be tiffing	I won't have tiffed
you won't have tiffed
he won't have tiffed
we won't have tiffed
you won't have tiffed
they won't have tiffed	I won't have been tiffing
you won't have been tiffing
he won't have been tiffing
we won't have been tiffing
you won't have been tiffing
they won't have been tiffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I tiff?
will you tiff?
will he tiff?
will we tiff?
will you tiff?
will they tiff? 	will I be tiffing?
will you be tiffing?
will he be tiffing?
will we be tiffing?
will you be tiffing?
will they be tiffing? 	will I have tiffed?
will you have tiffed?
will he have tiffed?
will we have tiffed?
will you have tiffed?
will they have tiffed? 	will I have been tiffing?
will you have been tiffing?
will he have been tiffing?
will we have been tiffing?
will you have been tiffing?
will they have been tiffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
won't I tiff?
won't you tiff?
won't he tiff?
won't we tiff?
won't you tiff?
won't they tiff? 	won't I be tiffing?
won't you be tiffing?
won't he be tiffing?
won't we be tiffing?
won't you be tiffing?
won't they be tiffing? 	won't I have tiffed?
won't you have tiffed?
won't he have tiffed?
won't we have tiffed?
won't you have tiffed?
won't they have tiffed? 	won't I have been tiffing?
won't you have been tiffing?
won't he have been tiffing?
won't we have been tiffing?
won't you have been tiffing?
won't they have been tiffing?