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