English verb conjugation
SHALL TIFF

Regular verb: tiff - tiffed - tiffed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?