must spit-roast
Regular verb: spit-roast - spit-roasted- spit-roasted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must spit-roast
you must spit-roast
he must spit-roast
we must spit-roast
you must spit-roast
they must spit-roast 	I must be spit-roasting
you must be spit-roasting
he must be spit-roasting
we must be spit-roasting
you must be spit-roasting
they must be spit-roasting	I must have spit-roasted
you must have spit-roasted
he must have spit-roasted
we must have spit-roasted
you must have spit-roasted
they must have spit-roasted	I must have been spit-roasting
you must have been spit-roasting
he must have been spit-roasting
we must have been spit-roasting
you must have been spit-roasting
they must have been spit-roasting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't spit-roast
you mustn't spit-roast
he mustn't spit-roast
we mustn't spit-roast
you mustn't spit-roast
they mustn't spit-roast 	I mustn't be spit-roasting
you mustn't be spit-roasting
he mustn't be spit-roasting
we mustn't be spit-roasting
you mustn't be spit-roasting
they mustn't be spit-roasting	I mustn't have spit-roasted
you mustn't have spit-roasted
he mustn't have spit-roasted
we mustn't have spit-roasted
you mustn't have spit-roasted
they mustn't have spit-roasted	I mustn't have been spit-roasting
you mustn't have been spit-roasting
he mustn't have been spit-roasting
we mustn't have been spit-roasting
you mustn't have been spit-roasting
they mustn't have been spit-roasting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I spit-roast?
must you spit-roast?
must he spit-roast?
must we spit-roast?
must you spit-roast?
must they spit-roast? 	must I be spit-roasting?
must you be spit-roasting?
must he be spit-roasting?
must we be spit-roasting?
must you be spit-roasting?
must they be spit-roasting? 	must I have spit-roasted?
must you have spit-roasted?
must he have spit-roasted?
must we have spit-roasted?
must you have spit-roasted?
must they have spit-roasted? 	must I have been spit-roasting?
must you have been spit-roasting?
must he have been spit-roasting?
must we have been spit-roasting?
must you have been spit-roasting?
must they have been spit-roasting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I spit-roast?
mustn't you spit-roast?
mustn't he spit-roast?
mustn't we spit-roast?
mustn't you spit-roast?
mustn't they spit-roast? 	mustn't I be spit-roasting?
mustn't you be spit-roasting?
mustn't he be spit-roasting?
mustn't we be spit-roasting?
mustn't you be spit-roasting?
mustn't they be spit-roasting? 	mustn't I have spit-roasted?
mustn't you have spit-roasted?
mustn't he have spit-roasted?
mustn't we have spit-roasted?
mustn't you have spit-roasted?
mustn't they have spit-roasted? 	mustn't I have been spit-roasting?
mustn't you have been spit-roasting?
mustn't he have been spit-roasting?
mustn't we have been spit-roasting?
mustn't you have been spit-roasting?
mustn't they have been spit-roasting?