Present
I lighten
you lighten
he lightens
we lighten
you lighten
they lighten

Perfect
I have lightened
you have lightened
he has lightened
we have lightened
you have lightened
they have lightened

Past
I lightened
you lightened
he lightened
we lightened
you lightened
they lightened

Pluperfect
I had lightened
you had lightened
he had lightened
we had lightened
you had lightened
they had lightened

Future
I will lighten
you will lighten
he will lighten
we will lighten
you will lighten
they will lighten

Future perfect
I will have lightened
you will have lightened
he will have lightened
we will have lightened
you will have lightened
they will have lightened

Present
I lighten
you lighten
he lighten
we lighten
you lighten
they lighten

Present
I have lightened
you have lightened
he have lightened
we have lightened
you have lightened
they have lightened

Imperfect
I lightened
you lightened
he lightened
we lightened
you lightened
they lightened

Pluperfect
I had lightened
you had lightened
he had lightened
we had lightened
you had lightened
they had lightened

Present
I would lighten
you would lighten
he would lighten
we would lighten
you would lighten
they would lighten

Perfect
I would have lightened
you would have lightened
he would have lightened
we would have lightened
you would have lightened
they would have lightened

you lighten
we Let's lighten
you lighten

Present
I am lightening
you are lightening
he is lightening
we are lightening
you are lightening
they are lightening

Perfect
I have been lightening
you have been lightening
he has been lightening
we have been lightening
you have been lightening
they have been lightening

Past
I was lightening
you were lightening
he was lightening
we were lightening
you were lightening
they were lightening

Pluperfect
I had been lightening
you had been lightening
he had been lightening
we had been lightening
you had been lightening
they had been lightening

Future
I will be lightening
you will be lightening
he will be lightening
we will be lightening
you will be lightening
they will be lightening

Future perfect
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

Present
I would be lightening
you would be lightening
he would be lightening
we would be lightening
you would be lightening
they would be lightening

Perfect
I would have been lightening
you would have been lightening
he would have been lightening
we would have been lightening
you would have been lightening
they would have been lightening