I can react you can react he can react we can react you can react they can react
Forma con V-ing
I can be reacting you can be reacting he can be reacting we can be reacting you can be reacting they can be reacting
Perfecto
I can have reacted you can have reacted he can have reacted we can have reacted you can have reacted they can have reacted
Perfecto con V-ing
I can have been reacting you can have been reacting he can have been reacting we can have been reacting you can have been reacting they can have been reacting
Negación
Forma simple
I can't react you can't react he can't react we can't react you can't react they can't react
Forma con V-ing
I can't be reacting you can't be reacting he can't be reacting we can't be reacting you can't be reacting they can't be reacting
Perfecto
I can't have reacted you can't have reacted he can't have reacted we can't have reacted you can't have reacted they can't have reacted
Perfecto con V-ing
I can't have been reacting you can't have been reacting he can't have been reacting we can't have been reacting you can't have been reacting they can't have been reacting
Forma interrogativa
Forma simple
can I react? can you react? can he react? can we react? can you react? can they react?
Forma con V-ing
can I be reacting? can you be reacting? can he be reacting? can we be reacting? can you be reacting? can they be reacting?
Perfecto
can I have reacted? can you have reacted? can he have reacted? can we have reacted? can you have reacted? can they have reacted?
Perfecto con V-ing
can I have been reacting? can you have been reacting? can he have been reacting? can we have been reacting? can you have been reacting? can they have been reacting?
Forma interro-negativa
Forma simple
can't I react? can't you react? can't he react? can't we react? can't you react? can't they react?
Forma con V-ing
can't I be reacting? can't you be reacting? can't he be reacting? can't we be reacting? can't you be reacting? can't they be reacting?
Perfecto
can't I have reacted? can't you have reacted? can't he have reacted? can't we have reacted? can't you have reacted? can't they have reacted?
Perfecto con V-ing
can't I have been reacting? can't you have been reacting? can't he have been reacting? can't we have been reacting? can't you have been reacting? can't they have been reacting?