shall lighten
Regular verb: lighten - lightened- lightened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll lighten
you'll lighten
she'll lighten
we'll lighten
you'll lighten
they'll lighten 	I'll be lightening
you'll be lightening
she'll be lightening
we'll be lightening
you'll be lightening
they'll be lightening	I'll have lightened
you'll have lightened
she'll have lightened
we'll have lightened
you'll have lightened
they'll have lightened	I'll have been lightening
you'll have been lightening
she'll have been lightening
we'll have been lightening
you'll have been lightening
they'll have been lightening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't lighten
you shan't lighten
she shan't lighten
we shan't lighten
you shan't lighten
they shan't lighten 	I shan't be lightening
you shan't be lightening
she shan't be lightening
we shan't be lightening
you shan't be lightening
they shan't be lightening	I shan't have lightened
you shan't have lightened
she shan't have lightened
we shan't have lightened
you shan't have lightened
they shan't have lightened	I shan't have been lightening
you shan't have been lightening
she shan't have been lightening
we shan't have been lightening
you shan't have been lightening
they shan't have been lightening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I lighten?
shall you lighten?
shall she lighten?
shall we lighten?
shall you lighten?
shall they lighten? 	shall I be lightening?
shall you be lightening?
shall she be lightening?
shall we be lightening?
shall you be lightening?
shall they be lightening? 	shall I have lightened?
shall you have lightened?
shall she have lightened?
shall we have lightened?
shall you have lightened?
shall they have lightened? 	shall I have been lightening?
shall you have been lightening?
shall she have been lightening?
shall we have been lightening?
shall you have been lightening?
shall they have been lightening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I lighten?
shan't you lighten?
shan't she lighten?
shan't we lighten?
shan't you lighten?
shan't they lighten? 	shan't I be lightening?
shan't you be lightening?
shan't she be lightening?
shan't we be lightening?
shan't you be lightening?
shan't they be lightening? 	shan't I have lightened?
shan't you have lightened?
shan't she have lightened?
shan't we have lightened?
shan't you have lightened?
shan't they have lightened? 	shan't I have been lightening?
shan't you have been lightening?
shan't she have been lightening?
shan't we have been lightening?
shan't you have been lightening?
shan't they have been lightening?