I could reopen you could reopen she could reopen we could reopen you could reopen they could reopen
V-ing form
I could be reopening you could be reopening she could be reopening we could be reopening you could be reopening they could be reopening
Perfect
I could have reopened you could have reopened she could have reopened we could have reopened you could have reopened they could have reopened
V-ing perfect
I could have been reopening you could have been reopening she could have been reopening we could have been reopening you could have been reopening they could have been reopening
Negation
Simple form
I could not reopen you could not reopen she could not reopen we could not reopen you could not reopen they could not reopen
V-ing form
I could not be reopening you could not be reopening she could not be reopening we could not be reopening you could not be reopening they could not be reopening
Perfect
I could not have reopened you could not have reopened she could not have reopened we could not have reopened you could not have reopened they could not have reopened
V-ing perfect
I could not have been reopening you could not have been reopening she could not have been reopening we could not have been reopening you could not have been reopening they could not have been reopening
Interrogative form
Simple form
could I reopen? could you reopen? could she reopen? could we reopen? could you reopen? could they reopen?
V-ing form
could I be reopening? could you be reopening? could she be reopening? could we be reopening? could you be reopening? could they be reopening?
Perfect
could I have reopened? could you have reopened? could she have reopened? could we have reopened? could you have reopened? could they have reopened?
V-ing perfect
could I have been reopening? could you have been reopening? could she have been reopening? could we have been reopening? could you have been reopening? could they have been reopening?
Interro-negative form
Simple form
could I not reopen? could you not reopen? could she not reopen? could we not reopen? could you not reopen? could they not reopen?
V-ing form
could I not be reopening? could you not be reopening? could she not be reopening? could we not be reopening? could you not be reopening? could they not be reopening?
Perfect
could I not have reopened? could you not have reopened? could she not have reopened? could we not have reopened? could you not have reopened? could they not have reopened?
V-ing perfect
could I not have been reopening? could you not have been reopening? could she not have been reopening? could we not have been reopening? could you not have been reopening? could they not have been reopening?