could telephone
Verbo regular: telephone - telephoned- telephoned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could telephone
you could telephone
he could telephone
we could telephone
you could telephone
they could telephone 	I could be telephoning
you could be telephoning
he could be telephoning
we could be telephoning
you could be telephoning
they could be telephoning	I could have telephoned
you could have telephoned
he could have telephoned
we could have telephoned
you could have telephoned
they could have telephoned	I could have been telephoning
you could have been telephoning
he could have been telephoning
we could have been telephoning
you could have been telephoning
they could have been telephoning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not telephone
you could not telephone
he could not telephone
we could not telephone
you could not telephone
they could not telephone 	I could not be telephoning
you could not be telephoning
he could not be telephoning
we could not be telephoning
you could not be telephoning
they could not be telephoning	I could not have telephoned
you could not have telephoned
he could not have telephoned
we could not have telephoned
you could not have telephoned
they could not have telephoned	I could not have been telephoning
you could not have been telephoning
he could not have been telephoning
we could not have been telephoning
you could not have been telephoning
they could not have been telephoning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I telephone?
could you telephone?
could he telephone?
could we telephone?
could you telephone?
could they telephone? 	could I be telephoning?
could you be telephoning?
could he be telephoning?
could we be telephoning?
could you be telephoning?
could they be telephoning? 	could I have telephoned?
could you have telephoned?
could he have telephoned?
could we have telephoned?
could you have telephoned?
could they have telephoned? 	could I have been telephoning?
could you have been telephoning?
could he have been telephoning?
could we have been telephoning?
could you have been telephoning?
could they have been telephoning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not telephone?
could you not telephone?
could he not telephone?
could we not telephone?
could you not telephone?
could they not telephone? 	could I not be telephoning?
could you not be telephoning?
could he not be telephoning?
could we not be telephoning?
could you not be telephoning?
could they not be telephoning? 	could I not have telephoned?
could you not have telephoned?
could he not have telephoned?
could we not have telephoned?
could you not have telephoned?
could they not have telephoned? 	could I not have been telephoning?
could you not have been telephoning?
could he not have been telephoning?
could we not have been telephoning?
could you not have been telephoning?
could they not have been telephoning?