could reward
Verbo regular: reward - rewarded- rewarded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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?