shall underwithhold
Regular verb: underwithhold - underwithholded- underwithholded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll underwithhold
you'll underwithhold
he'll underwithhold
we'll underwithhold
you'll underwithhold
they'll underwithhold 	I'll be underwithholding
you'll be underwithholding
he'll be underwithholding
we'll be underwithholding
you'll be underwithholding
they'll be underwithholding	I'll have underwithholded
you'll have underwithholded
he'll have underwithholded
we'll have underwithholded
you'll have underwithholded
they'll have underwithholded	I'll have been underwithholding
you'll have been underwithholding
he'll have been underwithholding
we'll have been underwithholding
you'll have been underwithholding
they'll have been underwithholding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't underwithhold
you shan't underwithhold
he shan't underwithhold
we shan't underwithhold
you shan't underwithhold
they shan't underwithhold 	I shan't be underwithholding
you shan't be underwithholding
he shan't be underwithholding
we shan't be underwithholding
you shan't be underwithholding
they shan't be underwithholding	I shan't have underwithholded
you shan't have underwithholded
he shan't have underwithholded
we shan't have underwithholded
you shan't have underwithholded
they shan't have underwithholded	I shan't have been underwithholding
you shan't have been underwithholding
he shan't have been underwithholding
we shan't have been underwithholding
you shan't have been underwithholding
they shan't have been underwithholding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I underwithhold?
shall you underwithhold?
shall he underwithhold?
shall we underwithhold?
shall you underwithhold?
shall they underwithhold? 	shall I be underwithholding?
shall you be underwithholding?
shall he be underwithholding?
shall we be underwithholding?
shall you be underwithholding?
shall they be underwithholding? 	shall I have underwithholded?
shall you have underwithholded?
shall he have underwithholded?
shall we have underwithholded?
shall you have underwithholded?
shall they have underwithholded? 	shall I have been underwithholding?
shall you have been underwithholding?
shall he have been underwithholding?
shall we have been underwithholding?
shall you have been underwithholding?
shall they have been underwithholding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I underwithhold?
shan't you underwithhold?
shan't he underwithhold?
shan't we underwithhold?
shan't you underwithhold?
shan't they underwithhold? 	shan't I be underwithholding?
shan't you be underwithholding?
shan't he be underwithholding?
shan't we be underwithholding?
shan't you be underwithholding?
shan't they be underwithholding? 	shan't I have underwithholded?
shan't you have underwithholded?
shan't he have underwithholded?
shan't we have underwithholded?
shan't you have underwithholded?
shan't they have underwithholded? 	shan't I have been underwithholding?
shan't you have been underwithholding?
shan't he have been underwithholding?
shan't we have been underwithholding?
shan't you have been underwithholding?
shan't they have been underwithholding?