will lighten
Regular verb: lighten - lightened- lightened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will lighten
you will lighten
he will lighten
we will lighten
you will lighten
they will lighten 	I will be lightening
you will be lightening
he will be lightening
we will be lightening
you will be lightening
they will be lightening	I will have lightened
you will have lightened
he will have lightened
we will have lightened
you will have lightened
they will have lightened	I will have been lightening
you will have been lightening
he will have been lightening
we will have been lightening
you will have been lightening
they will have been lightening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will not lighten
you will not lighten
he will not lighten
we will not lighten
you will not lighten
they will not lighten 	I will not be lightening
you will not be lightening
he will not be lightening
we will not be lightening
you will not be lightening
they will not be lightening	I will not have lightened
you will not have lightened
he will not have lightened
we will not have lightened
you will not have lightened
they will not have lightened	I will not have been lightening
you will not have been lightening
he will not have been lightening
we will not have been lightening
you will not have been lightening
they will not have been lightening	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I not lighten?
will you not lighten?
will he not lighten?
will we not lighten?
will you not lighten?
will they not lighten? 	will I not be lightening?
will you not be lightening?
will he not be lightening?
will we not be lightening?
will you not be lightening?
will they not be lightening? 	will I not have lightened?
will you not have lightened?
will he not have lightened?
will we not have lightened?
will you not have lightened?
will they not have lightened? 	will I not have been lightening?
will you not have been lightening?
will he not have been lightening?
will we not have been lightening?
will you not have been lightening?
will they not have been lightening?