could react
Verbo regular: react - reacted- reacted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could react
you could react
she could react
we could react
you could react
they could react 	I could be reacting
you could be reacting
she could be reacting
we could be reacting
you could be reacting
they could be reacting	I could have reacted
you could have reacted
she could have reacted
we could have reacted
you could have reacted
they could have reacted	I could have been reacting
you could have been reacting
she could have been reacting
we could have been reacting
you could have been reacting
they could have been reacting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't react
you couldn't react
she couldn't react
we couldn't react
you couldn't react
they couldn't react 	I couldn't be reacting
you couldn't be reacting
she couldn't be reacting
we couldn't be reacting
you couldn't be reacting
they couldn't be reacting	I couldn't have reacted
you couldn't have reacted
she couldn't have reacted
we couldn't have reacted
you couldn't have reacted
they couldn't have reacted	I couldn't have been reacting
you couldn't have been reacting
she couldn't have been reacting
we couldn't have been reacting
you couldn't have been reacting
they couldn't have been reacting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I react?
could you react?
could she react?
could we react?
could you react?
could they react? 	could I be reacting?
could you be reacting?
could she be reacting?
could we be reacting?
could you be reacting?
could they be reacting? 	could I have reacted?
could you have reacted?
could she have reacted?
could we have reacted?
could you have reacted?
could they have reacted? 	could I have been reacting?
could you have been reacting?
could she have been reacting?
could we have been reacting?
could you have been reacting?
could they have been reacting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I react?
couldn't you react?
couldn't she react?
couldn't we react?
couldn't you react?
couldn't they react? 	couldn't I be reacting?
couldn't you be reacting?
couldn't she be reacting?
couldn't we be reacting?
couldn't you be reacting?
couldn't they be reacting? 	couldn't I have reacted?
couldn't you have reacted?
couldn't she have reacted?
couldn't we have reacted?
couldn't you have reacted?
couldn't they have reacted? 	couldn't I have been reacting?
couldn't you have been reacting?
couldn't she have been reacting?
couldn't we have been reacting?
couldn't you have been reacting?
couldn't they have been reacting?