I can attach you can attach she can attach we can attach you can attach they can attach
Forma com V-ing
I can be attaching you can be attaching she can be attaching we can be attaching you can be attaching they can be attaching
Perfeito
I can have attached you can have attached she can have attached we can have attached you can have attached they can have attached
Perfeito com V-ing
I can have been attaching you can have been attaching she can have been attaching we can have been attaching you can have been attaching they can have been attaching
Negação
Forma simple
I cannot attach you cannot attach she cannot attach we cannot attach you cannot attach they cannot attach
Forma com V-ing
I cannot be attaching you cannot be attaching she cannot be attaching we cannot be attaching you cannot be attaching they cannot be attaching
Perfeito
I cannot have attached you cannot have attached she cannot have attached we cannot have attached you cannot have attached they cannot have attached
Perfeito com V-ing
I cannot have been attaching you cannot have been attaching she cannot have been attaching we cannot have been attaching you cannot have been attaching they cannot have been attaching
Forma interrogativa
Forma simple
can I attach? can you attach? can she attach? can we attach? can you attach? can they attach?
Forma com V-ing
can I be attaching? can you be attaching? can she be attaching? can we be attaching? can you be attaching? can they be attaching?
Perfeito
can I have attached? can you have attached? can she have attached? can we have attached? can you have attached? can they have attached?
Perfeito com V-ing
can I have been attaching? can you have been attaching? can she have been attaching? can we have been attaching? can you have been attaching? can they have been attaching?
Forma interro-Negação
Forma simple
can I not attach? can you not attach? can she not attach? can we not attach? can you not attach? can they not attach?
Forma com V-ing
can I not be attaching? can you not be attaching? can she not be attaching? can we not be attaching? can you not be attaching? can they not be attaching?
Perfeito
can I not have attached? can you not have attached? can she not have attached? can we not have attached? can you not have attached? can they not have attached?
Perfeito com V-ing
can I not have been attaching? can you not have been attaching? can she not have been attaching? can we not have been attaching? can you not have been attaching? can they not have been attaching?