must surprint
Verbo regular: surprint - surprinted- surprinted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must surprint
you must surprint
he must surprint
we must surprint
you must surprint
they must surprint 	I must be surprinting
you must be surprinting
he must be surprinting
we must be surprinting
you must be surprinting
they must be surprinting	I must have surprinted
you must have surprinted
he must have surprinted
we must have surprinted
you must have surprinted
they must have surprinted	I must have been surprinting
you must have been surprinting
he must have been surprinting
we must have been surprinting
you must have been surprinting
they must have been surprinting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not surprint
you must not surprint
he must not surprint
we must not surprint
you must not surprint
they must not surprint 	I must not be surprinting
you must not be surprinting
he must not be surprinting
we must not be surprinting
you must not be surprinting
they must not be surprinting	I must not have surprinted
you must not have surprinted
he must not have surprinted
we must not have surprinted
you must not have surprinted
they must not have surprinted	I must not have been surprinting
you must not have been surprinting
he must not have been surprinting
we must not have been surprinting
you must not have been surprinting
they must not have been surprinting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I surprint?
must you surprint?
must he surprint?
must we surprint?
must you surprint?
must they surprint? 	must I be surprinting?
must you be surprinting?
must he be surprinting?
must we be surprinting?
must you be surprinting?
must they be surprinting? 	must I have surprinted?
must you have surprinted?
must he have surprinted?
must we have surprinted?
must you have surprinted?
must they have surprinted? 	must I have been surprinting?
must you have been surprinting?
must he have been surprinting?
must we have been surprinting?
must you have been surprinting?
must they have been surprinting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not surprint?
must you not surprint?
must he not surprint?
must we not surprint?
must you not surprint?
must they not surprint? 	must I not be surprinting?
must you not be surprinting?
must he not be surprinting?
must we not be surprinting?
must you not be surprinting?
must they not be surprinting? 	must I not have surprinted?
must you not have surprinted?
must he not have surprinted?
must we not have surprinted?
must you not have surprinted?
must they not have surprinted? 	must I not have been surprinting?
must you not have been surprinting?
must he not have been surprinting?
must we not have been surprinting?
must you not have been surprinting?
must they not have been surprinting?