must outsprint
Regular verb: outsprint - outsprinted- outsprinted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must outsprint
you must outsprint
he must outsprint
we must outsprint
you must outsprint
they must outsprint 	I must be outsprinting
you must be outsprinting
he must be outsprinting
we must be outsprinting
you must be outsprinting
they must be outsprinting	I must have outsprinted
you must have outsprinted
he must have outsprinted
we must have outsprinted
you must have outsprinted
they must have outsprinted	I must have been outsprinting
you must have been outsprinting
he must have been outsprinting
we must have been outsprinting
you must have been outsprinting
they must have been outsprinting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not outsprint
you must not outsprint
he must not outsprint
we must not outsprint
you must not outsprint
they must not outsprint 	I must not be outsprinting
you must not be outsprinting
he must not be outsprinting
we must not be outsprinting
you must not be outsprinting
they must not be outsprinting	I must not have outsprinted
you must not have outsprinted
he must not have outsprinted
we must not have outsprinted
you must not have outsprinted
they must not have outsprinted	I must not have been outsprinting
you must not have been outsprinting
he must not have been outsprinting
we must not have been outsprinting
you must not have been outsprinting
they must not have been outsprinting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I outsprint?
must you outsprint?
must he outsprint?
must we outsprint?
must you outsprint?
must they outsprint? 	must I be outsprinting?
must you be outsprinting?
must he be outsprinting?
must we be outsprinting?
must you be outsprinting?
must they be outsprinting? 	must I have outsprinted?
must you have outsprinted?
must he have outsprinted?
must we have outsprinted?
must you have outsprinted?
must they have outsprinted? 	must I have been outsprinting?
must you have been outsprinting?
must he have been outsprinting?
must we have been outsprinting?
must you have been outsprinting?
must they have been outsprinting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not outsprint?
must you not outsprint?
must he not outsprint?
must we not outsprint?
must you not outsprint?
must they not outsprint? 	must I not be outsprinting?
must you not be outsprinting?
must he not be outsprinting?
must we not be outsprinting?
must you not be outsprinting?
must they not be outsprinting? 	must I not have outsprinted?
must you not have outsprinted?
must he not have outsprinted?
must we not have outsprinted?
must you not have outsprinted?
must they not have outsprinted? 	must I not have been outsprinting?
must you not have been outsprinting?
must he not have been outsprinting?
must we not have been outsprinting?
must you not have been outsprinting?
must they not have been outsprinting?