shall 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 shan't tiff
you shan't tiff
he shan't tiff
we shan't tiff
you shan't tiff
they shan't tiff 	I shan't be tiffing
you shan't be tiffing
he shan't be tiffing
we shan't be tiffing
you shan't be tiffing
they shan't be tiffing	I shan't have tiffed
you shan't have tiffed
he shan't have tiffed
we shan't have tiffed
you shan't have tiffed
they shan't have tiffed	I shan't have been tiffing
you shan't have been tiffing
he shan't have been tiffing
we shan't have been tiffing
you shan't have been tiffing
they shan't have been tiffing	

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

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