I can obey you can obey she can obey we can obey you can obey they can obey
V-ing form
I can be obeying you can be obeying she can be obeying we can be obeying you can be obeying they can be obeying
Perfect
I can have obeyed you can have obeyed she can have obeyed we can have obeyed you can have obeyed they can have obeyed
V-ing perfect
I can have been obeying you can have been obeying she can have been obeying we can have been obeying you can have been obeying they can have been obeying
Negation
Simple form
I cannot obey you cannot obey she cannot obey we cannot obey you cannot obey they cannot obey
V-ing form
I cannot be obeying you cannot be obeying she cannot be obeying we cannot be obeying you cannot be obeying they cannot be obeying
Perfect
I cannot have obeyed you cannot have obeyed she cannot have obeyed we cannot have obeyed you cannot have obeyed they cannot have obeyed
V-ing perfect
I cannot have been obeying you cannot have been obeying she cannot have been obeying we cannot have been obeying you cannot have been obeying they cannot have been obeying
Interrogative form
Simple form
can I obey? can you obey? can she obey? can we obey? can you obey? can they obey?
V-ing form
can I be obeying? can you be obeying? can she be obeying? can we be obeying? can you be obeying? can they be obeying?
Perfect
can I have obeyed? can you have obeyed? can she have obeyed? can we have obeyed? can you have obeyed? can they have obeyed?
V-ing perfect
can I have been obeying? can you have been obeying? can she have been obeying? can we have been obeying? can you have been obeying? can they have been obeying?
Interro-negative form
Simple form
can I not obey? can you not obey? can she not obey? can we not obey? can you not obey? can they not obey?
V-ing form
can I not be obeying? can you not be obeying? can she not be obeying? can we not be obeying? can you not be obeying? can they not be obeying?
Perfect
can I not have obeyed? can you not have obeyed? can she not have obeyed? can we not have obeyed? can you not have obeyed? can they not have obeyed?
V-ing perfect
can I not have been obeying? can you not have been obeying? can she not have been obeying? can we not have been obeying? can you not have been obeying? can they not have been obeying?