must reward
Regular verb: reward - rewarded- rewarded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must reward
you must reward
he must reward
we must reward
you must reward
they must reward 	I must be rewarding
you must be rewarding
he must be rewarding
we must be rewarding
you must be rewarding
they must be rewarding	I must have rewarded
you must have rewarded
he must have rewarded
we must have rewarded
you must have rewarded
they must have rewarded	I must have been rewarding
you must have been rewarding
he must have been rewarding
we must have been rewarding
you must have been rewarding
they must have been rewarding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not reward
you must not reward
he must not reward
we must not reward
you must not reward
they must not reward 	I must not be rewarding
you must not be rewarding
he must not be rewarding
we must not be rewarding
you must not be rewarding
they must not be rewarding	I must not have rewarded
you must not have rewarded
he must not have rewarded
we must not have rewarded
you must not have rewarded
they must not have rewarded	I must not have been rewarding
you must not have been rewarding
he must not have been rewarding
we must not have been rewarding
you must not have been rewarding
they must not have been rewarding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I reward?
must you reward?
must he reward?
must we reward?
must you reward?
must they reward? 	must I be rewarding?
must you be rewarding?
must he be rewarding?
must we be rewarding?
must you be rewarding?
must they be rewarding? 	must I have rewarded?
must you have rewarded?
must he have rewarded?
must we have rewarded?
must you have rewarded?
must they have rewarded? 	must I have been rewarding?
must you have been rewarding?
must he have been rewarding?
must we have been rewarding?
must you have been rewarding?
must they have been rewarding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not reward?
must you not reward?
must he not reward?
must we not reward?
must you not reward?
must they not reward? 	must I not be rewarding?
must you not be rewarding?
must he not be rewarding?
must we not be rewarding?
must you not be rewarding?
must they not be rewarding? 	must I not have rewarded?
must you not have rewarded?
must he not have rewarded?
must we not have rewarded?
must you not have rewarded?
must they not have rewarded? 	must I not have been rewarding?
must you not have been rewarding?
must he not have been rewarding?
must we not have been rewarding?
must you not have been rewarding?
must they not have been rewarding?