must somersault
Regular verb: somersault - somersaulted- somersaulted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must somersault
you must somersault
he must somersault
we must somersault
you must somersault
they must somersault 	I must be somersaulting
you must be somersaulting
he must be somersaulting
we must be somersaulting
you must be somersaulting
they must be somersaulting	I must have somersaulted
you must have somersaulted
he must have somersaulted
we must have somersaulted
you must have somersaulted
they must have somersaulted	I must have been somersaulting
you must have been somersaulting
he must have been somersaulting
we must have been somersaulting
you must have been somersaulting
they must have been somersaulting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't somersault
you mustn't somersault
he mustn't somersault
we mustn't somersault
you mustn't somersault
they mustn't somersault 	I mustn't be somersaulting
you mustn't be somersaulting
he mustn't be somersaulting
we mustn't be somersaulting
you mustn't be somersaulting
they mustn't be somersaulting	I mustn't have somersaulted
you mustn't have somersaulted
he mustn't have somersaulted
we mustn't have somersaulted
you mustn't have somersaulted
they mustn't have somersaulted	I mustn't have been somersaulting
you mustn't have been somersaulting
he mustn't have been somersaulting
we mustn't have been somersaulting
you mustn't have been somersaulting
they mustn't have been somersaulting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I somersault?
must you somersault?
must he somersault?
must we somersault?
must you somersault?
must they somersault? 	must I be somersaulting?
must you be somersaulting?
must he be somersaulting?
must we be somersaulting?
must you be somersaulting?
must they be somersaulting? 	must I have somersaulted?
must you have somersaulted?
must he have somersaulted?
must we have somersaulted?
must you have somersaulted?
must they have somersaulted? 	must I have been somersaulting?
must you have been somersaulting?
must he have been somersaulting?
must we have been somersaulting?
must you have been somersaulting?
must they have been somersaulting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I somersault?
mustn't you somersault?
mustn't he somersault?
mustn't we somersault?
mustn't you somersault?
mustn't they somersault? 	mustn't I be somersaulting?
mustn't you be somersaulting?
mustn't he be somersaulting?
mustn't we be somersaulting?
mustn't you be somersaulting?
mustn't they be somersaulting? 	mustn't I have somersaulted?
mustn't you have somersaulted?
mustn't he have somersaulted?
mustn't we have somersaulted?
mustn't you have somersaulted?
mustn't they have somersaulted? 	mustn't I have been somersaulting?
mustn't you have been somersaulting?
mustn't he have been somersaulting?
mustn't we have been somersaulting?
mustn't you have been somersaulting?
mustn't they have been somersaulting?