must od
Regular verb: od - oded- oded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must od
you must od
she must od
we must od
you must od
they must od 	I must be oding
you must be oding
she must be oding
we must be oding
you must be oding
they must be oding	I must have oded
you must have oded
she must have oded
we must have oded
you must have oded
they must have oded	I must have been oding
you must have been oding
she must have been oding
we must have been oding
you must have been oding
they must have been oding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't od
you mustn't od
she mustn't od
we mustn't od
you mustn't od
they mustn't od 	I mustn't be oding
you mustn't be oding
she mustn't be oding
we mustn't be oding
you mustn't be oding
they mustn't be oding	I mustn't have oded
you mustn't have oded
she mustn't have oded
we mustn't have oded
you mustn't have oded
they mustn't have oded	I mustn't have been oding
you mustn't have been oding
she mustn't have been oding
we mustn't have been oding
you mustn't have been oding
they mustn't have been oding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I od?
must you od?
must she od?
must we od?
must you od?
must they od? 	must I be oding?
must you be oding?
must she be oding?
must we be oding?
must you be oding?
must they be oding? 	must I have oded?
must you have oded?
must she have oded?
must we have oded?
must you have oded?
must they have oded? 	must I have been oding?
must you have been oding?
must she have been oding?
must we have been oding?
must you have been oding?
must they have been oding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I od?
mustn't you od?
mustn't she od?
mustn't we od?
mustn't you od?
mustn't they od? 	mustn't I be oding?
mustn't you be oding?
mustn't she be oding?
mustn't we be oding?
mustn't you be oding?
mustn't they be oding? 	mustn't I have oded?
mustn't you have oded?
mustn't she have oded?
mustn't we have oded?
mustn't you have oded?
mustn't they have oded? 	mustn't I have been oding?
mustn't you have been oding?
mustn't she have been oding?
mustn't we have been oding?
mustn't you have been oding?
mustn't they have been oding?