must summersault
Verbo regular: summersault - summersaulted- summersaulted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must summersault
you must summersault
he must summersault
we must summersault
you must summersault
they must summersault 	I must be summersaulting
you must be summersaulting
he must be summersaulting
we must be summersaulting
you must be summersaulting
they must be summersaulting	I must have summersaulted
you must have summersaulted
he must have summersaulted
we must have summersaulted
you must have summersaulted
they must have summersaulted	I must have been summersaulting
you must have been summersaulting
he must have been summersaulting
we must have been summersaulting
you must have been summersaulting
they must have been summersaulting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not summersault
you must not summersault
he must not summersault
we must not summersault
you must not summersault
they must not summersault 	I must not be summersaulting
you must not be summersaulting
he must not be summersaulting
we must not be summersaulting
you must not be summersaulting
they must not be summersaulting	I must not have summersaulted
you must not have summersaulted
he must not have summersaulted
we must not have summersaulted
you must not have summersaulted
they must not have summersaulted	I must not have been summersaulting
you must not have been summersaulting
he must not have been summersaulting
we must not have been summersaulting
you must not have been summersaulting
they must not have been summersaulting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I summersault?
must you summersault?
must he summersault?
must we summersault?
must you summersault?
must they summersault? 	must I be summersaulting?
must you be summersaulting?
must he be summersaulting?
must we be summersaulting?
must you be summersaulting?
must they be summersaulting? 	must I have summersaulted?
must you have summersaulted?
must he have summersaulted?
must we have summersaulted?
must you have summersaulted?
must they have summersaulted? 	must I have been summersaulting?
must you have been summersaulting?
must he have been summersaulting?
must we have been summersaulting?
must you have been summersaulting?
must they have been summersaulting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not summersault?
must you not summersault?
must he not summersault?
must we not summersault?
must you not summersault?
must they not summersault? 	must I not be summersaulting?
must you not be summersaulting?
must he not be summersaulting?
must we not be summersaulting?
must you not be summersaulting?
must they not be summersaulting? 	must I not have summersaulted?
must you not have summersaulted?
must he not have summersaulted?
must we not have summersaulted?
must you not have summersaulted?
must they not have summersaulted? 	must I not have been summersaulting?
must you not have been summersaulting?
must he not have been summersaulting?
must we not have been summersaulting?
must you not have been summersaulting?
must they not have been summersaulting?