I can respond you can respond he can respond we can respond you can respond they can respond
Forma com V-ing
I can be responding you can be responding he can be responding we can be responding you can be responding they can be responding
Perfeito
I can have responded you can have responded he can have responded we can have responded you can have responded they can have responded
Perfeito com V-ing
I can have been responding you can have been responding he can have been responding we can have been responding you can have been responding they can have been responding
Negação
Forma simple
I can't respond you can't respond he can't respond we can't respond you can't respond they can't respond
Forma com V-ing
I can't be responding you can't be responding he can't be responding we can't be responding you can't be responding they can't be responding
Perfeito
I can't have responded you can't have responded he can't have responded we can't have responded you can't have responded they can't have responded
Perfeito com V-ing
I can't have been responding you can't have been responding he can't have been responding we can't have been responding you can't have been responding they can't have been responding
Forma interrogativa
Forma simple
can I respond? can you respond? can he respond? can we respond? can you respond? can they respond?
Forma com V-ing
can I be responding? can you be responding? can he be responding? can we be responding? can you be responding? can they be responding?
Perfeito
can I have responded? can you have responded? can he have responded? can we have responded? can you have responded? can they have responded?
Perfeito com V-ing
can I have been responding? can you have been responding? can he have been responding? can we have been responding? can you have been responding? can they have been responding?
Forma interro-Negação
Forma simple
can't I respond? can't you respond? can't he respond? can't we respond? can't you respond? can't they respond?
Forma com V-ing
can't I be responding? can't you be responding? can't he be responding? can't we be responding? can't you be responding? can't they be responding?
Perfeito
can't I have responded? can't you have responded? can't he have responded? can't we have responded? can't you have responded? can't they have responded?
Perfeito com V-ing
can't I have been responding? can't you have been responding? can't he have been responding? can't we have been responding? can't you have been responding? can't they have been responding?