I can react you can react he can react we can react you can react they can react
Forma com 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
Perfeito
I can have reacted you can have reacted he can have reacted we can have reacted you can have reacted they can have reacted
Perfeito com 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
Negação
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 com 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
Perfeito
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
Perfeito com 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 com 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?
Perfeito
can I have reacted? can you have reacted? can he have reacted? can we have reacted? can you have reacted? can they have reacted?
Perfeito com 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-Negação
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 com 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?
Perfeito
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?
Perfeito com 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?