I could supplant you could supplant she could supplant we could supplant you could supplant they could supplant
V-ing form
I could be supplanting you could be supplanting she could be supplanting we could be supplanting you could be supplanting they could be supplanting
Perfect
I could have supplanted you could have supplanted she could have supplanted we could have supplanted you could have supplanted they could have supplanted
V-ing perfect
I could have been supplanting you could have been supplanting she could have been supplanting we could have been supplanting you could have been supplanting they could have been supplanting
Negation
Simple form
I could not supplant you could not supplant she could not supplant we could not supplant you could not supplant they could not supplant
V-ing form
I could not be supplanting you could not be supplanting she could not be supplanting we could not be supplanting you could not be supplanting they could not be supplanting
Perfect
I could not have supplanted you could not have supplanted she could not have supplanted we could not have supplanted you could not have supplanted they could not have supplanted
V-ing perfect
I could not have been supplanting you could not have been supplanting she could not have been supplanting we could not have been supplanting you could not have been supplanting they could not have been supplanting
Interrogative form
Simple form
could I supplant? could you supplant? could she supplant? could we supplant? could you supplant? could they supplant?
V-ing form
could I be supplanting? could you be supplanting? could she be supplanting? could we be supplanting? could you be supplanting? could they be supplanting?
Perfect
could I have supplanted? could you have supplanted? could she have supplanted? could we have supplanted? could you have supplanted? could they have supplanted?
V-ing perfect
could I have been supplanting? could you have been supplanting? could she have been supplanting? could we have been supplanting? could you have been supplanting? could they have been supplanting?
Interro-negative form
Simple form
could I not supplant? could you not supplant? could she not supplant? could we not supplant? could you not supplant? could they not supplant?
V-ing form
could I not be supplanting? could you not be supplanting? could she not be supplanting? could we not be supplanting? could you not be supplanting? could they not be supplanting?
Perfect
could I not have supplanted? could you not have supplanted? could she not have supplanted? could we not have supplanted? could you not have supplanted? could they not have supplanted?
V-ing perfect
could I not have been supplanting? could you not have been supplanting? could she not have been supplanting? could we not have been supplanting? could you not have been supplanting? could they not have been supplanting?