Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could relent relent you could relent relent he could relent relent we could relent relent you could relent relent they could relent relent
V-ing form
I could be relent relenting you could be relent relenting he could be relent relenting we could be relent relenting you could be relent relenting they could be relent relenting
Perfect
I could have relent relented you could have relent relented he could have relent relented we could have relent relented you could have relent relented they could have relent relented
V-ing perfect
I could have been relent relenting you could have been relent relenting he could have been relent relenting we could have been relent relenting you could have been relent relenting they could have been relent relenting
Negation
Simple form
I could not relent relent you could not relent relent he could not relent relent we could not relent relent you could not relent relent they could not relent relent
V-ing form
I could not be relent relenting you could not be relent relenting he could not be relent relenting we could not be relent relenting you could not be relent relenting they could not be relent relenting
Perfect
I could not have relent relented you could not have relent relented he could not have relent relented we could not have relent relented you could not have relent relented they could not have relent relented
V-ing perfect
I could not have been relent relenting you could not have been relent relenting he could not have been relent relenting we could not have been relent relenting you could not have been relent relenting they could not have been relent relenting
Interrogative form
Simple form
could I relent relent? could you relent relent? could he relent relent? could we relent relent? could you relent relent? could they relent relent?
V-ing form
could I be relent relenting? could you be relent relenting? could he be relent relenting? could we be relent relenting? could you be relent relenting? could they be relent relenting?
Perfect
could I have relent relented? could you have relent relented? could he have relent relented? could we have relent relented? could you have relent relented? could they have relent relented?
V-ing perfect
could I have been relent relenting? could you have been relent relenting? could he have been relent relenting? could we have been relent relenting? could you have been relent relenting? could they have been relent relenting?
Interro-negative form
Simple form
could I not relent relent? could you not relent relent? could he not relent relent? could we not relent relent? could you not relent relent? could they not relent relent?
V-ing form
could I not be relent relenting? could you not be relent relenting? could he not be relent relenting? could we not be relent relenting? could you not be relent relenting? could they not be relent relenting?
Perfect
could I not have relent relented? could you not have relent relented? could he not have relent relented? could we not have relent relented? could you not have relent relented? could they not have relent relented?
V-ing perfect
could I not have been relent relenting? could you not have been relent relenting? could he not have been relent relenting? could we not have been relent relenting? could you not have been relent relenting? could they not have been relent relenting?