must fodder
Regular verb: fodder - foddered- foddered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must fodder
you must fodder
he must fodder
we must fodder
you must fodder
they must fodder 	I must be foddering
you must be foddering
he must be foddering
we must be foddering
you must be foddering
they must be foddering	I must have foddered
you must have foddered
he must have foddered
we must have foddered
you must have foddered
they must have foddered	I must have been foddering
you must have been foddering
he must have been foddering
we must have been foddering
you must have been foddering
they must have been foddering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't fodder
you mustn't fodder
he mustn't fodder
we mustn't fodder
you mustn't fodder
they mustn't fodder 	I mustn't be foddering
you mustn't be foddering
he mustn't be foddering
we mustn't be foddering
you mustn't be foddering
they mustn't be foddering	I mustn't have foddered
you mustn't have foddered
he mustn't have foddered
we mustn't have foddered
you mustn't have foddered
they mustn't have foddered	I mustn't have been foddering
you mustn't have been foddering
he mustn't have been foddering
we mustn't have been foddering
you mustn't have been foddering
they mustn't have been foddering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I fodder?
must you fodder?
must he fodder?
must we fodder?
must you fodder?
must they fodder? 	must I be foddering?
must you be foddering?
must he be foddering?
must we be foddering?
must you be foddering?
must they be foddering? 	must I have foddered?
must you have foddered?
must he have foddered?
must we have foddered?
must you have foddered?
must they have foddered? 	must I have been foddering?
must you have been foddering?
must he have been foddering?
must we have been foddering?
must you have been foddering?
must they have been foddering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I fodder?
mustn't you fodder?
mustn't he fodder?
mustn't we fodder?
mustn't you fodder?
mustn't they fodder? 	mustn't I be foddering?
mustn't you be foddering?
mustn't he be foddering?
mustn't we be foddering?
mustn't you be foddering?
mustn't they be foddering? 	mustn't I have foddered?
mustn't you have foddered?
mustn't he have foddered?
mustn't we have foddered?
mustn't you have foddered?
mustn't they have foddered? 	mustn't I have been foddering?
mustn't you have been foddering?
mustn't he have been foddering?
mustn't we have been foddering?
mustn't you have been foddering?
mustn't they have been foddering?