shall lengthen
Verbo regular: lengthen - lengthened- lengthened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'll lengthen
you'll lengthen
he'll lengthen
we'll lengthen
you'll lengthen
they'll lengthen 	I'll be lengthening
you'll be lengthening
he'll be lengthening
we'll be lengthening
you'll be lengthening
they'll be lengthening	I'll have lengthened
you'll have lengthened
he'll have lengthened
we'll have lengthened
you'll have lengthened
they'll have lengthened	I'll have been lengthening
you'll have been lengthening
he'll have been lengthening
we'll have been lengthening
you'll have been lengthening
they'll have been lengthening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shan't lengthen
you shan't lengthen
he shan't lengthen
we shan't lengthen
you shan't lengthen
they shan't lengthen 	I shan't be lengthening
you shan't be lengthening
he shan't be lengthening
we shan't be lengthening
you shan't be lengthening
they shan't be lengthening	I shan't have lengthened
you shan't have lengthened
he shan't have lengthened
we shan't have lengthened
you shan't have lengthened
they shan't have lengthened	I shan't have been lengthening
you shan't have been lengthening
he shan't have been lengthening
we shan't have been lengthening
you shan't have been lengthening
they shan't have been lengthening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I lengthen?
shall you lengthen?
shall he lengthen?
shall we lengthen?
shall you lengthen?
shall they lengthen? 	shall I be lengthening?
shall you be lengthening?
shall he be lengthening?
shall we be lengthening?
shall you be lengthening?
shall they be lengthening? 	shall I have lengthened?
shall you have lengthened?
shall he have lengthened?
shall we have lengthened?
shall you have lengthened?
shall they have lengthened? 	shall I have been lengthening?
shall you have been lengthening?
shall he have been lengthening?
shall we have been lengthening?
shall you have been lengthening?
shall they have been lengthening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shan't I lengthen?
shan't you lengthen?
shan't he lengthen?
shan't we lengthen?
shan't you lengthen?
shan't they lengthen? 	shan't I be lengthening?
shan't you be lengthening?
shan't he be lengthening?
shan't we be lengthening?
shan't you be lengthening?
shan't they be lengthening? 	shan't I have lengthened?
shan't you have lengthened?
shan't he have lengthened?
shan't we have lengthened?
shan't you have lengthened?
shan't they have lengthened? 	shan't I have been lengthening?
shan't you have been lengthening?
shan't he have been lengthening?
shan't we have been lengthening?
shan't you have been lengthening?
shan't they have been lengthening?