I can contact you can contact he can contact we can contact you can contact they can contact
Forma com V-ing
I can be contacting you can be contacting he can be contacting we can be contacting you can be contacting they can be contacting
Perfeito
I can have contacted you can have contacted he can have contacted we can have contacted you can have contacted they can have contacted
Perfeito com V-ing
I can have been contacting you can have been contacting he can have been contacting we can have been contacting you can have been contacting they can have been contacting
Negação
Forma simple
I can't contact you can't contact he can't contact we can't contact you can't contact they can't contact
Forma com V-ing
I can't be contacting you can't be contacting he can't be contacting we can't be contacting you can't be contacting they can't be contacting
Perfeito
I can't have contacted you can't have contacted he can't have contacted we can't have contacted you can't have contacted they can't have contacted
Perfeito com V-ing
I can't have been contacting you can't have been contacting he can't have been contacting we can't have been contacting you can't have been contacting they can't have been contacting
Forma interrogativa
Forma simple
can I contact? can you contact? can he contact? can we contact? can you contact? can they contact?
Forma com V-ing
can I be contacting? can you be contacting? can he be contacting? can we be contacting? can you be contacting? can they be contacting?
Perfeito
can I have contacted? can you have contacted? can he have contacted? can we have contacted? can you have contacted? can they have contacted?
Perfeito com V-ing
can I have been contacting? can you have been contacting? can he have been contacting? can we have been contacting? can you have been contacting? can they have been contacting?
Forma interro-Negação
Forma simple
can't I contact? can't you contact? can't he contact? can't we contact? can't you contact? can't they contact?
Forma com V-ing
can't I be contacting? can't you be contacting? can't he be contacting? can't we be contacting? can't you be contacting? can't they be contacting?
Perfeito
can't I have contacted? can't you have contacted? can't he have contacted? can't we have contacted? can't you have contacted? can't they have contacted?
Perfeito com V-ing
can't I have been contacting? can't you have been contacting? can't he have been contacting? can't we have been contacting? can't you have been contacting? can't they have been contacting?