shall stack
Verbo regular: stack - stacked- stacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'll stack
you'll stack
he'll stack
we'll stack
you'll stack
they'll stack 	I'll be stacking
you'll be stacking
he'll be stacking
we'll be stacking
you'll be stacking
they'll be stacking	I'll have stacked
you'll have stacked
he'll have stacked
we'll have stacked
you'll have stacked
they'll have stacked	I'll have been stacking
you'll have been stacking
he'll have been stacking
we'll have been stacking
you'll have been stacking
they'll have been stacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shan't stack
you shan't stack
he shan't stack
we shan't stack
you shan't stack
they shan't stack 	I shan't be stacking
you shan't be stacking
he shan't be stacking
we shan't be stacking
you shan't be stacking
they shan't be stacking	I shan't have stacked
you shan't have stacked
he shan't have stacked
we shan't have stacked
you shan't have stacked
they shan't have stacked	I shan't have been stacking
you shan't have been stacking
he shan't have been stacking
we shan't have been stacking
you shan't have been stacking
they shan't have been stacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I stack?
shall you stack?
shall he stack?
shall we stack?
shall you stack?
shall they stack? 	shall I be stacking?
shall you be stacking?
shall he be stacking?
shall we be stacking?
shall you be stacking?
shall they be stacking? 	shall I have stacked?
shall you have stacked?
shall he have stacked?
shall we have stacked?
shall you have stacked?
shall they have stacked? 	shall I have been stacking?
shall you have been stacking?
shall he have been stacking?
shall we have been stacking?
shall you have been stacking?
shall they have been stacking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shan't I stack?
shan't you stack?
shan't he stack?
shan't we stack?
shan't you stack?
shan't they stack? 	shan't I be stacking?
shan't you be stacking?
shan't he be stacking?
shan't we be stacking?
shan't you be stacking?
shan't they be stacking? 	shan't I have stacked?
shan't you have stacked?
shan't he have stacked?
shan't we have stacked?
shan't you have stacked?
shan't they have stacked? 	shan't I have been stacking?
shan't you have been stacking?
shan't he have been stacking?
shan't we have been stacking?
shan't you have been stacking?
shan't they have been stacking?