must zonk
Regular verb: zonk - zonked- zonked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must zonk
you must zonk
he must zonk
we must zonk
you must zonk
they must zonk 	I must be zonking
you must be zonking
he must be zonking
we must be zonking
you must be zonking
they must be zonking	I must have zonked
you must have zonked
he must have zonked
we must have zonked
you must have zonked
they must have zonked	I must have been zonking
you must have been zonking
he must have been zonking
we must have been zonking
you must have been zonking
they must have been zonking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't zonk
you mustn't zonk
he mustn't zonk
we mustn't zonk
you mustn't zonk
they mustn't zonk 	I mustn't be zonking
you mustn't be zonking
he mustn't be zonking
we mustn't be zonking
you mustn't be zonking
they mustn't be zonking	I mustn't have zonked
you mustn't have zonked
he mustn't have zonked
we mustn't have zonked
you mustn't have zonked
they mustn't have zonked	I mustn't have been zonking
you mustn't have been zonking
he mustn't have been zonking
we mustn't have been zonking
you mustn't have been zonking
they mustn't have been zonking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I zonk?
must you zonk?
must he zonk?
must we zonk?
must you zonk?
must they zonk? 	must I be zonking?
must you be zonking?
must he be zonking?
must we be zonking?
must you be zonking?
must they be zonking? 	must I have zonked?
must you have zonked?
must he have zonked?
must we have zonked?
must you have zonked?
must they have zonked? 	must I have been zonking?
must you have been zonking?
must he have been zonking?
must we have been zonking?
must you have been zonking?
must they have been zonking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I zonk?
mustn't you zonk?
mustn't he zonk?
mustn't we zonk?
mustn't you zonk?
mustn't they zonk? 	mustn't I be zonking?
mustn't you be zonking?
mustn't he be zonking?
mustn't we be zonking?
mustn't you be zonking?
mustn't they be zonking? 	mustn't I have zonked?
mustn't you have zonked?
mustn't he have zonked?
mustn't we have zonked?
mustn't you have zonked?
mustn't they have zonked? 	mustn't I have been zonking?
mustn't you have been zonking?
mustn't he have been zonking?
mustn't we have been zonking?
mustn't you have been zonking?
mustn't they have been zonking?