English verb conjugation
MUST SOMERSAULT

Regular verb: somersault - somersaulted - somersaulted

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?