I could cite you could cite she could cite we could cite you could cite they could cite
Forma com V-ing
I could be citing you could be citing she could be citing we could be citing you could be citing they could be citing
Perfeito
I could have cited you could have cited she could have cited we could have cited you could have cited they could have cited
Perfeito com V-ing
I could have been citing you could have been citing she could have been citing we could have been citing you could have been citing they could have been citing
Negação
Forma simple
I could not cite you could not cite she could not cite we could not cite you could not cite they could not cite
Forma com V-ing
I could not be citing you could not be citing she could not be citing we could not be citing you could not be citing they could not be citing
Perfeito
I could not have cited you could not have cited she could not have cited we could not have cited you could not have cited they could not have cited
Perfeito com V-ing
I could not have been citing you could not have been citing she could not have been citing we could not have been citing you could not have been citing they could not have been citing
Forma interrogativa
Forma simple
could I cite? could you cite? could she cite? could we cite? could you cite? could they cite?
Forma com V-ing
could I be citing? could you be citing? could she be citing? could we be citing? could you be citing? could they be citing?
Perfeito
could I have cited? could you have cited? could she have cited? could we have cited? could you have cited? could they have cited?
Perfeito com V-ing
could I have been citing? could you have been citing? could she have been citing? could we have been citing? could you have been citing? could they have been citing?
Forma interro-Negação
Forma simple
could I not cite? could you not cite? could she not cite? could we not cite? could you not cite? could they not cite?
Forma com V-ing
could I not be citing? could you not be citing? could she not be citing? could we not be citing? could you not be citing? could they not be citing?
Perfeito
could I not have cited? could you not have cited? could she not have cited? could we not have cited? could you not have cited? could they not have cited?
Perfeito com V-ing
could I not have been citing? could you not have been citing? could she not have been citing? could we not have been citing? could you not have been citing? could they not have been citing?