must spray-paint
Regular verb: spray-paint - spray-painted- spray-painted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must spray-paint
you must spray-paint
she must spray-paint
we must spray-paint
you must spray-paint
they must spray-paint 	I must be spray-painting
you must be spray-painting
she must be spray-painting
we must be spray-painting
you must be spray-painting
they must be spray-painting	I must have spray-painted
you must have spray-painted
she must have spray-painted
we must have spray-painted
you must have spray-painted
they must have spray-painted	I must have been spray-painting
you must have been spray-painting
she must have been spray-painting
we must have been spray-painting
you must have been spray-painting
they must have been spray-painting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't spray-paint
you mustn't spray-paint
she mustn't spray-paint
we mustn't spray-paint
you mustn't spray-paint
they mustn't spray-paint 	I mustn't be spray-painting
you mustn't be spray-painting
she mustn't be spray-painting
we mustn't be spray-painting
you mustn't be spray-painting
they mustn't be spray-painting	I mustn't have spray-painted
you mustn't have spray-painted
she mustn't have spray-painted
we mustn't have spray-painted
you mustn't have spray-painted
they mustn't have spray-painted	I mustn't have been spray-painting
you mustn't have been spray-painting
she mustn't have been spray-painting
we mustn't have been spray-painting
you mustn't have been spray-painting
they mustn't have been spray-painting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I spray-paint?
must you spray-paint?
must she spray-paint?
must we spray-paint?
must you spray-paint?
must they spray-paint? 	must I be spray-painting?
must you be spray-painting?
must she be spray-painting?
must we be spray-painting?
must you be spray-painting?
must they be spray-painting? 	must I have spray-painted?
must you have spray-painted?
must she have spray-painted?
must we have spray-painted?
must you have spray-painted?
must they have spray-painted? 	must I have been spray-painting?
must you have been spray-painting?
must she have been spray-painting?
must we have been spray-painting?
must you have been spray-painting?
must they have been spray-painting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I spray-paint?
mustn't you spray-paint?
mustn't she spray-paint?
mustn't we spray-paint?
mustn't you spray-paint?
mustn't they spray-paint? 	mustn't I be spray-painting?
mustn't you be spray-painting?
mustn't she be spray-painting?
mustn't we be spray-painting?
mustn't you be spray-painting?
mustn't they be spray-painting? 	mustn't I have spray-painted?
mustn't you have spray-painted?
mustn't she have spray-painted?
mustn't we have spray-painted?
mustn't you have spray-painted?
mustn't they have spray-painted? 	mustn't I have been spray-painting?
mustn't you have been spray-painting?
mustn't she have been spray-painting?
mustn't we have been spray-painting?
mustn't you have been spray-painting?
mustn't they have been spray-painting?