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