must funk
Regular verb: funk - funked- funked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must funk
you must funk
he must funk
we must funk
you must funk
they must funk 	I must be funking
you must be funking
he must be funking
we must be funking
you must be funking
they must be funking	I must have funked
you must have funked
he 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
he 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 must not funk
you must not funk
he must not funk
we must not funk
you must not funk
they must not funk 	I must not be funking
you must not be funking
he must not be funking
we must not be funking
you must not be funking
they must not be funking	I must not have funked
you must not have funked
he must not have funked
we must not have funked
you must not have funked
they must not have funked	I must not have been funking
you must not have been funking
he must not have been funking
we must not have been funking
you must not have been funking
they must not have been funking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I funk?
must you funk?
must he funk?
must we funk?
must you funk?
must they funk? 	must I be funking?
must you be funking?
must he be funking?
must we be funking?
must you be funking?
must they be funking? 	must I have funked?
must you have funked?
must he 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 he 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 	
must I not funk?
must you not funk?
must he not funk?
must we not funk?
must you not funk?
must they not funk? 	must I not be funking?
must you not be funking?
must he not be funking?
must we not be funking?
must you not be funking?
must they not be funking? 	must I not have funked?
must you not have funked?
must he not have funked?
must we not have funked?
must you not have funked?
must they not have funked? 	must I not have been funking?
must you not have been funking?
must he not have been funking?
must we not have been funking?
must you not have been funking?
must they not have been funking?