I could disobey you could disobey he could disobey we could disobey you could disobey they could disobey
V-ing form
I could be disobeying you could be disobeying he could be disobeying we could be disobeying you could be disobeying they could be disobeying
Perfect
I could have disobeyed you could have disobeyed he could have disobeyed we could have disobeyed you could have disobeyed they could have disobeyed
V-ing perfect
I could have been disobeying you could have been disobeying he could have been disobeying we could have been disobeying you could have been disobeying they could have been disobeying
Negation
Simple form
I couldn't disobey you couldn't disobey he couldn't disobey we couldn't disobey you couldn't disobey they couldn't disobey
V-ing form
I couldn't be disobeying you couldn't be disobeying he couldn't be disobeying we couldn't be disobeying you couldn't be disobeying they couldn't be disobeying
Perfect
I couldn't have disobeyed you couldn't have disobeyed he couldn't have disobeyed we couldn't have disobeyed you couldn't have disobeyed they couldn't have disobeyed
V-ing perfect
I couldn't have been disobeying you couldn't have been disobeying he couldn't have been disobeying we couldn't have been disobeying you couldn't have been disobeying they couldn't have been disobeying
Interrogative form
Simple form
could I disobey? could you disobey? could he disobey? could we disobey? could you disobey? could they disobey?
V-ing form
could I be disobeying? could you be disobeying? could he be disobeying? could we be disobeying? could you be disobeying? could they be disobeying?
Perfect
could I have disobeyed? could you have disobeyed? could he have disobeyed? could we have disobeyed? could you have disobeyed? could they have disobeyed?
V-ing perfect
could I have been disobeying? could you have been disobeying? could he have been disobeying? could we have been disobeying? could you have been disobeying? could they have been disobeying?
Interro-negative form
Simple form
couldn't I disobey? couldn't you disobey? couldn't he disobey? couldn't we disobey? couldn't you disobey? couldn't they disobey?
V-ing form
couldn't I be disobeying? couldn't you be disobeying? couldn't he be disobeying? couldn't we be disobeying? couldn't you be disobeying? couldn't they be disobeying?
Perfect
couldn't I have disobeyed? couldn't you have disobeyed? couldn't he have disobeyed? couldn't we have disobeyed? couldn't you have disobeyed? couldn't they have disobeyed?
V-ing perfect
couldn't I have been disobeying? couldn't you have been disobeying? couldn't he have been disobeying? couldn't we have been disobeying? couldn't you have been disobeying? couldn't they have been disobeying?