I must disobey you must disobey he must disobey we must disobey you must disobey they must disobey
V-ing form
I must be disobeying you must be disobeying he must be disobeying we must be disobeying you must be disobeying they must be disobeying
Perfect
I must have disobeyed you must have disobeyed he must have disobeyed we must have disobeyed you must have disobeyed they must have disobeyed
V-ing perfect
I must have been disobeying you must have been disobeying he must have been disobeying we must have been disobeying you must have been disobeying they must have been disobeying
Negation
Simple form
I must not disobey you must not disobey he must not disobey we must not disobey you must not disobey they must not disobey
V-ing form
I must not be disobeying you must not be disobeying he must not be disobeying we must not be disobeying you must not be disobeying they must not be disobeying
Perfect
I must not have disobeyed you must not have disobeyed he must not have disobeyed we must not have disobeyed you must not have disobeyed they must not have disobeyed
V-ing perfect
I must not have been disobeying you must not have been disobeying he must not have been disobeying we must not have been disobeying you must not have been disobeying they must not have been disobeying
Interrogative form
Simple form
must I disobey? must you disobey? must he disobey? must we disobey? must you disobey? must they disobey?
V-ing form
must I be disobeying? must you be disobeying? must he be disobeying? must we be disobeying? must you be disobeying? must they be disobeying?
Perfect
must I have disobeyed? must you have disobeyed? must he have disobeyed? must we have disobeyed? must you have disobeyed? must they have disobeyed?
V-ing perfect
must I have been disobeying? must you have been disobeying? must he have been disobeying? must we have been disobeying? must you have been disobeying? must they have been disobeying?
Interro-negative form
Simple form
must I not disobey? must you not disobey? must he not disobey? must we not disobey? must you not disobey? must they not disobey?
V-ing form
must I not be disobeying? must you not be disobeying? must he not be disobeying? must we not be disobeying? must you not be disobeying? must they not be disobeying?
Perfect
must I not have disobeyed? must you not have disobeyed? must he not have disobeyed? must we not have disobeyed? must you not have disobeyed? must they not have disobeyed?
V-ing perfect
must I not have been disobeying? must you not have been disobeying? must he not have been disobeying? must we not have been disobeying? must you not have been disobeying? must they not have been disobeying?