Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could deserve deserve you could deserve deserve she could deserve deserve we could deserve deserve you could deserve deserve they could deserve deserve
V-ing form
I could be deserve deserving you could be deserve deserving she could be deserve deserving we could be deserve deserving you could be deserve deserving they could be deserve deserving
Perfect
I could have deserve deserved you could have deserve deserved she could have deserve deserved we could have deserve deserved you could have deserve deserved they could have deserve deserved
V-ing perfect
I could have been deserve deserving you could have been deserve deserving she could have been deserve deserving we could have been deserve deserving you could have been deserve deserving they could have been deserve deserving
Negation
Simple form
I couldn't deserve deserve you couldn't deserve deserve she couldn't deserve deserve we couldn't deserve deserve you couldn't deserve deserve they couldn't deserve deserve
V-ing form
I couldn't be deserve deserving you couldn't be deserve deserving she couldn't be deserve deserving we couldn't be deserve deserving you couldn't be deserve deserving they couldn't be deserve deserving
Perfect
I couldn't have deserve deserved you couldn't have deserve deserved she couldn't have deserve deserved we couldn't have deserve deserved you couldn't have deserve deserved they couldn't have deserve deserved
V-ing perfect
I couldn't have been deserve deserving you couldn't have been deserve deserving she couldn't have been deserve deserving we couldn't have been deserve deserving you couldn't have been deserve deserving they couldn't have been deserve deserving
Interrogative form
Simple form
could I deserve deserve? could you deserve deserve? could she deserve deserve? could we deserve deserve? could you deserve deserve? could they deserve deserve?
V-ing form
could I be deserve deserving? could you be deserve deserving? could she be deserve deserving? could we be deserve deserving? could you be deserve deserving? could they be deserve deserving?
Perfect
could I have deserve deserved? could you have deserve deserved? could she have deserve deserved? could we have deserve deserved? could you have deserve deserved? could they have deserve deserved?
V-ing perfect
could I have been deserve deserving? could you have been deserve deserving? could she have been deserve deserving? could we have been deserve deserving? could you have been deserve deserving? could they have been deserve deserving?
Interro-negative form
Simple form
couldn't I deserve deserve? couldn't you deserve deserve? couldn't she deserve deserve? couldn't we deserve deserve? couldn't you deserve deserve? couldn't they deserve deserve?
V-ing form
couldn't I be deserve deserving? couldn't you be deserve deserving? couldn't she be deserve deserving? couldn't we be deserve deserving? couldn't you be deserve deserving? couldn't they be deserve deserving?
Perfect
couldn't I have deserve deserved? couldn't you have deserve deserved? couldn't she have deserve deserved? couldn't we have deserve deserved? couldn't you have deserve deserved? couldn't they have deserve deserved?
V-ing perfect
couldn't I have been deserve deserving? couldn't you have been deserve deserving? couldn't she have been deserve deserving? couldn't we have been deserve deserving? couldn't you have been deserve deserving? couldn't they have been deserve deserving?