English verb conjugation
COULD REWARD

Regular verb: reward - rewarded - rewarded

Affirmation

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

Negation

Simple form	V-ing form
I couldn't reward you couldn't reward he couldn't reward we couldn't reward you couldn't reward they couldn't reward	I couldn't be rewarding you couldn't be rewarding he couldn't be rewarding we couldn't be rewarding you couldn't be rewarding they couldn't be rewarding
Perfect	V-ing perfect
I couldn't have rewarded you couldn't have rewarded he couldn't have rewarded we couldn't have rewarded you couldn't have rewarded they couldn't have rewarded	I couldn't have been rewarding you couldn't have been rewarding he couldn't have been rewarding we couldn't have been rewarding you couldn't have been rewarding they couldn't have been rewarding

Interrogative form

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

Interro-negative form

Simple form	V-ing form
couldn't I reward? couldn't you reward? couldn't he reward? couldn't we reward? couldn't you reward? couldn't they reward?	couldn't I be rewarding? couldn't you be rewarding? couldn't he be rewarding? couldn't we be rewarding? couldn't you be rewarding? couldn't they be rewarding?
Perfect	V-ing perfect
couldn't I have rewarded? couldn't you have rewarded? couldn't he have rewarded? couldn't we have rewarded? couldn't you have rewarded? couldn't they have rewarded?	couldn't I have been rewarding? couldn't you have been rewarding? couldn't he have been rewarding? couldn't we have been rewarding? couldn't you have been rewarding? couldn't they have been rewarding?