I could prophesy you could prophesy she could prophesy we could prophesy you could prophesy they could prophesy
V-ing form
I could be prophesying you could be prophesying she could be prophesying we could be prophesying you could be prophesying they could be prophesying
Perfect
I could have prophesied you could have prophesied she could have prophesied we could have prophesied you could have prophesied they could have prophesied
V-ing perfect
I could have been prophesying you could have been prophesying she could have been prophesying we could have been prophesying you could have been prophesying they could have been prophesying
Negation
Simple form
I could not prophesy you could not prophesy she could not prophesy we could not prophesy you could not prophesy they could not prophesy
V-ing form
I could not be prophesying you could not be prophesying she could not be prophesying we could not be prophesying you could not be prophesying they could not be prophesying
Perfect
I could not have prophesied you could not have prophesied she could not have prophesied we could not have prophesied you could not have prophesied they could not have prophesied
V-ing perfect
I could not have been prophesying you could not have been prophesying she could not have been prophesying we could not have been prophesying you could not have been prophesying they could not have been prophesying
Interrogative form
Simple form
could I prophesy? could you prophesy? could she prophesy? could we prophesy? could you prophesy? could they prophesy?
V-ing form
could I be prophesying? could you be prophesying? could she be prophesying? could we be prophesying? could you be prophesying? could they be prophesying?
Perfect
could I have prophesied? could you have prophesied? could she have prophesied? could we have prophesied? could you have prophesied? could they have prophesied?
V-ing perfect
could I have been prophesying? could you have been prophesying? could she have been prophesying? could we have been prophesying? could you have been prophesying? could they have been prophesying?
Interro-negative form
Simple form
could I not prophesy? could you not prophesy? could she not prophesy? could we not prophesy? could you not prophesy? could they not prophesy?
V-ing form
could I not be prophesying? could you not be prophesying? could she not be prophesying? could we not be prophesying? could you not be prophesying? could they not be prophesying?
Perfect
could I not have prophesied? could you not have prophesied? could she not have prophesied? could we not have prophesied? could you not have prophesied? could they not have prophesied?
V-ing perfect
could I not have been prophesying? could you not have been prophesying? could she not have been prophesying? could we not have been prophesying? could you not have been prophesying? could they not have been prophesying?