English verb conjugation
COULD OBEY

Regular verb: obey - obeyed - obeyed

Affirmation

Simple form	V-ing form
I could obey you could obey he could obey we could obey you could obey they could obey	I could be obeying you could be obeying he could be obeying we could be obeying you could be obeying they could be obeying
Perfect	V-ing perfect
I could have obeyed you could have obeyed he could have obeyed we could have obeyed you could have obeyed they could have obeyed	I could have been obeying you could have been obeying he could have been obeying we could have been obeying you could have been obeying they could have been obeying

Negation

Simple form	V-ing form
I couldn't obey you couldn't obey he couldn't obey we couldn't obey you couldn't obey they couldn't obey	I couldn't be obeying you couldn't be obeying he couldn't be obeying we couldn't be obeying you couldn't be obeying they couldn't be obeying
Perfect	V-ing perfect
I couldn't have obeyed you couldn't have obeyed he couldn't have obeyed we couldn't have obeyed you couldn't have obeyed they couldn't have obeyed	I couldn't have been obeying you couldn't have been obeying he couldn't have been obeying we couldn't have been obeying you couldn't have been obeying they couldn't have been obeying

Interrogative form

Simple form	V-ing form
could I obey? could you obey? could he obey? could we obey? could you obey? could they obey?	could I be obeying? could you be obeying? could he be obeying? could we be obeying? could you be obeying? could they be obeying?
Perfect	V-ing perfect
could I have obeyed? could you have obeyed? could he have obeyed? could we have obeyed? could you have obeyed? could they have obeyed?	could I have been obeying? could you have been obeying? could he have been obeying? could we have been obeying? could you have been obeying? could they have been obeying?

Interro-negative form

Simple form	V-ing form
couldn't I obey? couldn't you obey? couldn't he obey? couldn't we obey? couldn't you obey? couldn't they obey?	couldn't I be obeying? couldn't you be obeying? couldn't he be obeying? couldn't we be obeying? couldn't you be obeying? couldn't they be obeying?
Perfect	V-ing perfect
couldn't I have obeyed? couldn't you have obeyed? couldn't he have obeyed? couldn't we have obeyed? couldn't you have obeyed? couldn't they have obeyed?	couldn't I have been obeying? couldn't you have been obeying? couldn't he have been obeying? couldn't we have been obeying? couldn't you have been obeying? couldn't they have been obeying?