I could resolve you could resolve she could resolve we could resolve you could resolve they could resolve
V-ing form
I could be resolving you could be resolving she could be resolving we could be resolving you could be resolving they could be resolving
Perfect
I could have resolved you could have resolved she could have resolved we could have resolved you could have resolved they could have resolved
V-ing perfect
I could have been resolving you could have been resolving she could have been resolving we could have been resolving you could have been resolving they could have been resolving
Negation
Simple form
I couldn't resolve you couldn't resolve she couldn't resolve we couldn't resolve you couldn't resolve they couldn't resolve
V-ing form
I couldn't be resolving you couldn't be resolving she couldn't be resolving we couldn't be resolving you couldn't be resolving they couldn't be resolving
Perfect
I couldn't have resolved you couldn't have resolved she couldn't have resolved we couldn't have resolved you couldn't have resolved they couldn't have resolved
V-ing perfect
I couldn't have been resolving you couldn't have been resolving she couldn't have been resolving we couldn't have been resolving you couldn't have been resolving they couldn't have been resolving
Interrogative form
Simple form
could I resolve? could you resolve? could she resolve? could we resolve? could you resolve? could they resolve?
V-ing form
could I be resolving? could you be resolving? could she be resolving? could we be resolving? could you be resolving? could they be resolving?
Perfect
could I have resolved? could you have resolved? could she have resolved? could we have resolved? could you have resolved? could they have resolved?
V-ing perfect
could I have been resolving? could you have been resolving? could she have been resolving? could we have been resolving? could you have been resolving? could they have been resolving?
Interro-negative form
Simple form
couldn't I resolve? couldn't you resolve? couldn't she resolve? couldn't we resolve? couldn't you resolve? couldn't they resolve?
V-ing form
couldn't I be resolving? couldn't you be resolving? couldn't she be resolving? couldn't we be resolving? couldn't you be resolving? couldn't they be resolving?
Perfect
couldn't I have resolved? couldn't you have resolved? couldn't she have resolved? couldn't we have resolved? couldn't you have resolved? couldn't they have resolved?
V-ing perfect
couldn't I have been resolving? couldn't you have been resolving? couldn't she have been resolving? couldn't we have been resolving? couldn't you have been resolving? couldn't they have been resolving?