must munchi
Regular verb: munchi - munchied- munchied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must munchi
you must munchi
she must munchi
we must munchi
you must munchi
they must munchi 	I must be munchiing
you must be munchiing
she must be munchiing
we must be munchiing
you must be munchiing
they must be munchiing	I must have munchied
you must have munchied
she must have munchied
we must have munchied
you must have munchied
they must have munchied	I must have been munchiing
you must have been munchiing
she must have been munchiing
we must have been munchiing
you must have been munchiing
they must have been munchiing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't munchi
you mustn't munchi
she mustn't munchi
we mustn't munchi
you mustn't munchi
they mustn't munchi 	I mustn't be munchiing
you mustn't be munchiing
she mustn't be munchiing
we mustn't be munchiing
you mustn't be munchiing
they mustn't be munchiing	I mustn't have munchied
you mustn't have munchied
she mustn't have munchied
we mustn't have munchied
you mustn't have munchied
they mustn't have munchied	I mustn't have been munchiing
you mustn't have been munchiing
she mustn't have been munchiing
we mustn't have been munchiing
you mustn't have been munchiing
they mustn't have been munchiing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I munchi?
must you munchi?
must she munchi?
must we munchi?
must you munchi?
must they munchi? 	must I be munchiing?
must you be munchiing?
must she be munchiing?
must we be munchiing?
must you be munchiing?
must they be munchiing? 	must I have munchied?
must you have munchied?
must she have munchied?
must we have munchied?
must you have munchied?
must they have munchied? 	must I have been munchiing?
must you have been munchiing?
must she have been munchiing?
must we have been munchiing?
must you have been munchiing?
must they have been munchiing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I munchi?
mustn't you munchi?
mustn't she munchi?
mustn't we munchi?
mustn't you munchi?
mustn't they munchi? 	mustn't I be munchiing?
mustn't you be munchiing?
mustn't she be munchiing?
mustn't we be munchiing?
mustn't you be munchiing?
mustn't they be munchiing? 	mustn't I have munchied?
mustn't you have munchied?
mustn't she have munchied?
mustn't we have munchied?
mustn't you have munchied?
mustn't they have munchied? 	mustn't I have been munchiing?
mustn't you have been munchiing?
mustn't she have been munchiing?
mustn't we have been munchiing?
mustn't you have been munchiing?
mustn't they have been munchiing?