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