I could issue you could issue she could issue we could issue you could issue they could issue
Forma com V-ing
I could be issuing you could be issuing she could be issuing we could be issuing you could be issuing they could be issuing
Perfeito
I could have issued you could have issued she could have issued we could have issued you could have issued they could have issued
Perfeito com V-ing
I could have been issuing you could have been issuing she could have been issuing we could have been issuing you could have been issuing they could have been issuing
Negação
Forma simple
I could not issue you could not issue she could not issue we could not issue you could not issue they could not issue
Forma com V-ing
I could not be issuing you could not be issuing she could not be issuing we could not be issuing you could not be issuing they could not be issuing
Perfeito
I could not have issued you could not have issued she could not have issued we could not have issued you could not have issued they could not have issued
Perfeito com V-ing
I could not have been issuing you could not have been issuing she could not have been issuing we could not have been issuing you could not have been issuing they could not have been issuing
Forma interrogativa
Forma simple
could I issue? could you issue? could she issue? could we issue? could you issue? could they issue?
Forma com V-ing
could I be issuing? could you be issuing? could she be issuing? could we be issuing? could you be issuing? could they be issuing?
Perfeito
could I have issued? could you have issued? could she have issued? could we have issued? could you have issued? could they have issued?
Perfeito com V-ing
could I have been issuing? could you have been issuing? could she have been issuing? could we have been issuing? could you have been issuing? could they have been issuing?
Forma interro-Negação
Forma simple
could I not issue? could you not issue? could she not issue? could we not issue? could you not issue? could they not issue?
Forma com V-ing
could I not be issuing? could you not be issuing? could she not be issuing? could we not be issuing? could you not be issuing? could they not be issuing?
Perfeito
could I not have issued? could you not have issued? could she not have issued? could we not have issued? could you not have issued? could they not have issued?
Perfeito com V-ing
could I not have been issuing? could you not have been issuing? could she not have been issuing? could we not have been issuing? could you not have been issuing? could they not have been issuing?