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 couldn't relent relent you couldn't relent relent he couldn't relent relent we couldn't relent relent you couldn't relent relent they couldn't relent relent
V-ing form
I couldn't be relent relenting you couldn't be relent relenting he couldn't be relent relenting we couldn't be relent relenting you couldn't be relent relenting they couldn't be relent relenting
Perfect
I couldn't have relent relented you couldn't have relent relented he couldn't have relent relented we couldn't have relent relented you couldn't have relent relented they couldn't have relent relented
V-ing perfect
I couldn't have been relent relenting you couldn't have been relent relenting he couldn't have been relent relenting we couldn't have been relent relenting you couldn't have been relent relenting they couldn't 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
couldn't I relent relent? couldn't you relent relent? couldn't he relent relent? couldn't we relent relent? couldn't you relent relent? couldn't they relent relent?
V-ing form
couldn't I be relent relenting? couldn't you be relent relenting? couldn't he be relent relenting? couldn't we be relent relenting? couldn't you be relent relenting? couldn't they be relent relenting?
Perfect
couldn't I have relent relented? couldn't you have relent relented? couldn't he have relent relented? couldn't we have relent relented? couldn't you have relent relented? couldn't they have relent relented?
V-ing perfect
couldn't I have been relent relenting? couldn't you have been relent relenting? couldn't he have been relent relenting? couldn't we have been relent relenting? couldn't you have been relent relenting? couldn't they have been relent relenting?