shall checkmate
Regular verb: checkmate - checkmated- checkmated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll checkmate
you'll checkmate
she'll checkmate
we'll checkmate
you'll checkmate
they'll checkmate 	I'll be checkmating
you'll be checkmating
she'll be checkmating
we'll be checkmating
you'll be checkmating
they'll be checkmating	I'll have checkmated
you'll have checkmated
she'll have checkmated
we'll have checkmated
you'll have checkmated
they'll have checkmated	I'll have been checkmating
you'll have been checkmating
she'll have been checkmating
we'll have been checkmating
you'll have been checkmating
they'll have been checkmating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't checkmate
you shan't checkmate
she shan't checkmate
we shan't checkmate
you shan't checkmate
they shan't checkmate 	I shan't be checkmating
you shan't be checkmating
she shan't be checkmating
we shan't be checkmating
you shan't be checkmating
they shan't be checkmating	I shan't have checkmated
you shan't have checkmated
she shan't have checkmated
we shan't have checkmated
you shan't have checkmated
they shan't have checkmated	I shan't have been checkmating
you shan't have been checkmating
she shan't have been checkmating
we shan't have been checkmating
you shan't have been checkmating
they shan't have been checkmating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I checkmate?
shall you checkmate?
shall she checkmate?
shall we checkmate?
shall you checkmate?
shall they checkmate? 	shall I be checkmating?
shall you be checkmating?
shall she be checkmating?
shall we be checkmating?
shall you be checkmating?
shall they be checkmating? 	shall I have checkmated?
shall you have checkmated?
shall she have checkmated?
shall we have checkmated?
shall you have checkmated?
shall they have checkmated? 	shall I have been checkmating?
shall you have been checkmating?
shall she have been checkmating?
shall we have been checkmating?
shall you have been checkmating?
shall they have been checkmating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I checkmate?
shan't you checkmate?
shan't she checkmate?
shan't we checkmate?
shan't you checkmate?
shan't they checkmate? 	shan't I be checkmating?
shan't you be checkmating?
shan't she be checkmating?
shan't we be checkmating?
shan't you be checkmating?
shan't they be checkmating? 	shan't I have checkmated?
shan't you have checkmated?
shan't she have checkmated?
shan't we have checkmated?
shan't you have checkmated?
shan't they have checkmated? 	shan't I have been checkmating?
shan't you have been checkmating?
shan't she have been checkmating?
shan't we have been checkmating?
shan't you have been checkmating?
shan't they have been checkmating?