must funk
Regular verb: funk - funked- funked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must funk
you must funk
she must funk
we must funk
you must funk
they must funk 	I must be funking
you must be funking
she must be funking
we must be funking
you must be funking
they must be funking	I must have funked
you must have funked
she must have funked
we must have funked
you must have funked
they must have funked	I must have been funking
you must have been funking
she must have been funking
we must have been funking
you must have been funking
they must have been funking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't funk
you mustn't funk
she mustn't funk
we mustn't funk
you mustn't funk
they mustn't funk 	I mustn't be funking
you mustn't be funking
she mustn't be funking
we mustn't be funking
you mustn't be funking
they mustn't be funking	I mustn't have funked
you mustn't have funked
she mustn't have funked
we mustn't have funked
you mustn't have funked
they mustn't have funked	I mustn't have been funking
you mustn't have been funking
she mustn't have been funking
we mustn't have been funking
you mustn't have been funking
they mustn't have been funking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I funk?
must you funk?
must she funk?
must we funk?
must you funk?
must they funk? 	must I be funking?
must you be funking?
must she be funking?
must we be funking?
must you be funking?
must they be funking? 	must I have funked?
must you have funked?
must she have funked?
must we have funked?
must you have funked?
must they have funked? 	must I have been funking?
must you have been funking?
must she have been funking?
must we have been funking?
must you have been funking?
must they have been funking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I funk?
mustn't you funk?
mustn't she funk?
mustn't we funk?
mustn't you funk?
mustn't they funk? 	mustn't I be funking?
mustn't you be funking?
mustn't she be funking?
mustn't we be funking?
mustn't you be funking?
mustn't they be funking? 	mustn't I have funked?
mustn't you have funked?
mustn't she have funked?
mustn't we have funked?
mustn't you have funked?
mustn't they have funked? 	mustn't I have been funking?
mustn't you have been funking?
mustn't she have been funking?
mustn't we have been funking?
mustn't you have been funking?
mustn't they have been funking?