must debunk
Regular verb: debunk - debunked- debunked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must debunk
you must debunk
he must debunk
we must debunk
you must debunk
they must debunk 	I must be debunking
you must be debunking
he must be debunking
we must be debunking
you must be debunking
they must be debunking	I must have debunked
you must have debunked
he must have debunked
we must have debunked
you must have debunked
they must have debunked	I must have been debunking
you must have been debunking
he must have been debunking
we must have been debunking
you must have been debunking
they must have been debunking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't debunk
you mustn't debunk
he mustn't debunk
we mustn't debunk
you mustn't debunk
they mustn't debunk 	I mustn't be debunking
you mustn't be debunking
he mustn't be debunking
we mustn't be debunking
you mustn't be debunking
they mustn't be debunking	I mustn't have debunked
you mustn't have debunked
he mustn't have debunked
we mustn't have debunked
you mustn't have debunked
they mustn't have debunked	I mustn't have been debunking
you mustn't have been debunking
he mustn't have been debunking
we mustn't have been debunking
you mustn't have been debunking
they mustn't have been debunking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I debunk?
must you debunk?
must he debunk?
must we debunk?
must you debunk?
must they debunk? 	must I be debunking?
must you be debunking?
must he be debunking?
must we be debunking?
must you be debunking?
must they be debunking? 	must I have debunked?
must you have debunked?
must he have debunked?
must we have debunked?
must you have debunked?
must they have debunked? 	must I have been debunking?
must you have been debunking?
must he have been debunking?
must we have been debunking?
must you have been debunking?
must they have been debunking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I debunk?
mustn't you debunk?
mustn't he debunk?
mustn't we debunk?
mustn't you debunk?
mustn't they debunk? 	mustn't I be debunking?
mustn't you be debunking?
mustn't he be debunking?
mustn't we be debunking?
mustn't you be debunking?
mustn't they be debunking? 	mustn't I have debunked?
mustn't you have debunked?
mustn't he have debunked?
mustn't we have debunked?
mustn't you have debunked?
mustn't they have debunked? 	mustn't I have been debunking?
mustn't you have been debunking?
mustn't he have been debunking?
mustn't we have been debunking?
mustn't you have been debunking?
mustn't they have been debunking?