must misdo
Irregular verb: misdo - misdid- misdone

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must misdo
you must misdo
he must misdo
we must misdo
you must misdo
they must misdo 	I must be misdoing
you must be misdoing
he must be misdoing
we must be misdoing
you must be misdoing
they must be misdoing	I must have misdone
you must have misdone
he must have misdone
we must have misdone
you must have misdone
they must have misdone	I must have been misdoing
you must have been misdoing
he must have been misdoing
we must have been misdoing
you must have been misdoing
they must have been misdoing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't misdo
you mustn't misdo
he mustn't misdo
we mustn't misdo
you mustn't misdo
they mustn't misdo 	I mustn't be misdoing
you mustn't be misdoing
he mustn't be misdoing
we mustn't be misdoing
you mustn't be misdoing
they mustn't be misdoing	I mustn't have misdone
you mustn't have misdone
he mustn't have misdone
we mustn't have misdone
you mustn't have misdone
they mustn't have misdone	I mustn't have been misdoing
you mustn't have been misdoing
he mustn't have been misdoing
we mustn't have been misdoing
you mustn't have been misdoing
they mustn't have been misdoing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I misdo?
must you misdo?
must he misdo?
must we misdo?
must you misdo?
must they misdo? 	must I be misdoing?
must you be misdoing?
must he be misdoing?
must we be misdoing?
must you be misdoing?
must they be misdoing? 	must I have misdone?
must you have misdone?
must he have misdone?
must we have misdone?
must you have misdone?
must they have misdone? 	must I have been misdoing?
must you have been misdoing?
must he have been misdoing?
must we have been misdoing?
must you have been misdoing?
must they have been misdoing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I misdo?
mustn't you misdo?
mustn't he misdo?
mustn't we misdo?
mustn't you misdo?
mustn't they misdo? 	mustn't I be misdoing?
mustn't you be misdoing?
mustn't he be misdoing?
mustn't we be misdoing?
mustn't you be misdoing?
mustn't they be misdoing? 	mustn't I have misdone?
mustn't you have misdone?
mustn't he have misdone?
mustn't we have misdone?
mustn't you have misdone?
mustn't they have misdone? 	mustn't I have been misdoing?
mustn't you have been misdoing?
mustn't he have been misdoing?
mustn't we have been misdoing?
mustn't you have been misdoing?
mustn't they have been misdoing?