could cite
Verbo regular: cite - cited- cited

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