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