I could dethrone you could dethrone she could dethrone we could dethrone you could dethrone they could dethrone
V-ing form
I could be dethroning you could be dethroning she could be dethroning we could be dethroning you could be dethroning they could be dethroning
Perfect
I could have dethroned you could have dethroned she could have dethroned we could have dethroned you could have dethroned they could have dethroned
V-ing perfect
I could have been dethroning you could have been dethroning she could have been dethroning we could have been dethroning you could have been dethroning they could have been dethroning
Negation
Simple form
I could not dethrone you could not dethrone she could not dethrone we could not dethrone you could not dethrone they could not dethrone
V-ing form
I could not be dethroning you could not be dethroning she could not be dethroning we could not be dethroning you could not be dethroning they could not be dethroning
Perfect
I could not have dethroned you could not have dethroned she could not have dethroned we could not have dethroned you could not have dethroned they could not have dethroned
V-ing perfect
I could not have been dethroning you could not have been dethroning she could not have been dethroning we could not have been dethroning you could not have been dethroning they could not have been dethroning
Interrogative form
Simple form
could I dethrone? could you dethrone? could she dethrone? could we dethrone? could you dethrone? could they dethrone?
V-ing form
could I be dethroning? could you be dethroning? could she be dethroning? could we be dethroning? could you be dethroning? could they be dethroning?
Perfect
could I have dethroned? could you have dethroned? could she have dethroned? could we have dethroned? could you have dethroned? could they have dethroned?
V-ing perfect
could I have been dethroning? could you have been dethroning? could she have been dethroning? could we have been dethroning? could you have been dethroning? could they have been dethroning?
Interro-negative form
Simple form
could I not dethrone? could you not dethrone? could she not dethrone? could we not dethrone? could you not dethrone? could they not dethrone?
V-ing form
could I not be dethroning? could you not be dethroning? could she not be dethroning? could we not be dethroning? could you not be dethroning? could they not be dethroning?
Perfect
could I not have dethroned? could you not have dethroned? could she not have dethroned? could we not have dethroned? could you not have dethroned? could they not have dethroned?
V-ing perfect
could I not have been dethroning? could you not have been dethroning? could she not have been dethroning? could we not have been dethroning? could you not have been dethroning? could they not have been dethroning?