must disobey
Regular verb: disobey - disobeyed- disobeyed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must disobey
you must disobey
she must disobey
we must disobey
you must disobey
they must disobey 	I must be disobeying
you must be disobeying
she must be disobeying
we must be disobeying
you must be disobeying
they must be disobeying	I must have disobeyed
you must have disobeyed
she must have disobeyed
we must have disobeyed
you must have disobeyed
they must have disobeyed	I must have been disobeying
you must have been disobeying
she must have been disobeying
we must have been disobeying
you must have been disobeying
they must have been disobeying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't disobey
you mustn't disobey
she mustn't disobey
we mustn't disobey
you mustn't disobey
they mustn't disobey 	I mustn't be disobeying
you mustn't be disobeying
she mustn't be disobeying
we mustn't be disobeying
you mustn't be disobeying
they mustn't be disobeying	I mustn't have disobeyed
you mustn't have disobeyed
she mustn't have disobeyed
we mustn't have disobeyed
you mustn't have disobeyed
they mustn't have disobeyed	I mustn't have been disobeying
you mustn't have been disobeying
she mustn't have been disobeying
we mustn't have been disobeying
you mustn't have been disobeying
they mustn't have been disobeying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I disobey?
must you disobey?
must she disobey?
must we disobey?
must you disobey?
must they disobey? 	must I be disobeying?
must you be disobeying?
must she be disobeying?
must we be disobeying?
must you be disobeying?
must they be disobeying? 	must I have disobeyed?
must you have disobeyed?
must she have disobeyed?
must we have disobeyed?
must you have disobeyed?
must they have disobeyed? 	must I have been disobeying?
must you have been disobeying?
must she have been disobeying?
must we have been disobeying?
must you have been disobeying?
must they have been disobeying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I disobey?
mustn't you disobey?
mustn't she disobey?
mustn't we disobey?
mustn't you disobey?
mustn't they disobey? 	mustn't I be disobeying?
mustn't you be disobeying?
mustn't she be disobeying?
mustn't we be disobeying?
mustn't you be disobeying?
mustn't they be disobeying? 	mustn't I have disobeyed?
mustn't you have disobeyed?
mustn't she have disobeyed?
mustn't we have disobeyed?
mustn't you have disobeyed?
mustn't they have disobeyed? 	mustn't I have been disobeying?
mustn't you have been disobeying?
mustn't she have been disobeying?
mustn't we have been disobeying?
mustn't you have been disobeying?
mustn't they have been disobeying?