I can reward you can reward she can reward we can reward you can reward they can reward
V-ing form
I can be rewarding you can be rewarding she can be rewarding we can be rewarding you can be rewarding they can be rewarding
Perfect
I can have rewarded you can have rewarded she can have rewarded we can have rewarded you can have rewarded they can have rewarded
V-ing perfect
I can have been rewarding you can have been rewarding she can have been rewarding we can have been rewarding you can have been rewarding they can have been rewarding
Negation
Simple form
I cannot reward you cannot reward she cannot reward we cannot reward you cannot reward they cannot reward
V-ing form
I cannot be rewarding you cannot be rewarding she cannot be rewarding we cannot be rewarding you cannot be rewarding they cannot be rewarding
Perfect
I cannot have rewarded you cannot have rewarded she cannot have rewarded we cannot have rewarded you cannot have rewarded they cannot have rewarded
V-ing perfect
I cannot have been rewarding you cannot have been rewarding she cannot have been rewarding we cannot have been rewarding you cannot have been rewarding they cannot have been rewarding
Interrogative form
Simple form
can I reward? can you reward? can she reward? can we reward? can you reward? can they reward?
V-ing form
can I be rewarding? can you be rewarding? can she be rewarding? can we be rewarding? can you be rewarding? can they be rewarding?
Perfect
can I have rewarded? can you have rewarded? can she have rewarded? can we have rewarded? can you have rewarded? can they have rewarded?
V-ing perfect
can I have been rewarding? can you have been rewarding? can she have been rewarding? can we have been rewarding? can you have been rewarding? can they have been rewarding?
Interro-negative form
Simple form
can I not reward? can you not reward? can she not reward? can we not reward? can you not reward? can they not reward?
V-ing form
can I not be rewarding? can you not be rewarding? can she not be rewarding? can we not be rewarding? can you not be rewarding? can they not be rewarding?
Perfect
can I not have rewarded? can you not have rewarded? can she not have rewarded? can we not have rewarded? can you not have rewarded? can they not have rewarded?
V-ing perfect
can I not have been rewarding? can you not have been rewarding? can she not have been rewarding? can we not have been rewarding? can you not have been rewarding? can they not have been rewarding?