I could deserve you could deserve he could deserve we could deserve you could deserve they could deserve
V-ing form
I could be deserving you could be deserving he could be deserving we could be deserving you could be deserving they could be deserving
Perfect
I could have deserved you could have deserved he could have deserved we could have deserved you could have deserved they could have deserved
V-ing perfect
I could have been deserving you could have been deserving he could have been deserving we could have been deserving you could have been deserving they could have been deserving
Negation
Simple form
I couldn't deserve you couldn't deserve he couldn't deserve we couldn't deserve you couldn't deserve they couldn't deserve
V-ing form
I couldn't be deserving you couldn't be deserving he couldn't be deserving we couldn't be deserving you couldn't be deserving they couldn't be deserving
Perfect
I couldn't have deserved you couldn't have deserved he couldn't have deserved we couldn't have deserved you couldn't have deserved they couldn't have deserved
V-ing perfect
I couldn't have been deserving you couldn't have been deserving he couldn't have been deserving we couldn't have been deserving you couldn't have been deserving they couldn't have been deserving
Interrogative form
Simple form
could I deserve? could you deserve? could he deserve? could we deserve? could you deserve? could they deserve?
V-ing form
could I be deserving? could you be deserving? could he be deserving? could we be deserving? could you be deserving? could they be deserving?
Perfect
could I have deserved? could you have deserved? could he have deserved? could we have deserved? could you have deserved? could they have deserved?
V-ing perfect
could I have been deserving? could you have been deserving? could he have been deserving? could we have been deserving? could you have been deserving? could they have been deserving?
Interro-negative form
Simple form
couldn't I deserve? couldn't you deserve? couldn't he deserve? couldn't we deserve? couldn't you deserve? couldn't they deserve?
V-ing form
couldn't I be deserving? couldn't you be deserving? couldn't he be deserving? couldn't we be deserving? couldn't you be deserving? couldn't they be deserving?
Perfect
couldn't I have deserved? couldn't you have deserved? couldn't he have deserved? couldn't we have deserved? couldn't you have deserved? couldn't they have deserved?
V-ing perfect
couldn't I have been deserving? couldn't you have been deserving? couldn't he have been deserving? couldn't we have been deserving? couldn't you have been deserving? couldn't they have been deserving?