can telephone
Verbo regular: telephone - telephoned- telephoned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can telephone
you can telephone
he can telephone
we can telephone
you can telephone
they can telephone 	I can be telephoning
you can be telephoning
he can be telephoning
we can be telephoning
you can be telephoning
they can be telephoning	I can have telephoned
you can have telephoned
he can have telephoned
we can have telephoned
you can have telephoned
they can have telephoned	I can have been telephoning
you can have been telephoning
he can have been telephoning
we can have been telephoning
you can have been telephoning
they can have been telephoning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't telephone
you can't telephone
he can't telephone
we can't telephone
you can't telephone
they can't telephone 	I can't be telephoning
you can't be telephoning
he can't be telephoning
we can't be telephoning
you can't be telephoning
they can't be telephoning	I can't have telephoned
you can't have telephoned
he can't have telephoned
we can't have telephoned
you can't have telephoned
they can't have telephoned	I can't have been telephoning
you can't have been telephoning
he can't have been telephoning
we can't have been telephoning
you can't have been telephoning
they can't have been telephoning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I telephone?
can you telephone?
can he telephone?
can we telephone?
can you telephone?
can they telephone? 	can I be telephoning?
can you be telephoning?
can he be telephoning?
can we be telephoning?
can you be telephoning?
can they be telephoning? 	can I have telephoned?
can you have telephoned?
can he have telephoned?
can we have telephoned?
can you have telephoned?
can they have telephoned? 	can I have been telephoning?
can you have been telephoning?
can he have been telephoning?
can we have been telephoning?
can you have been telephoning?
can they have been telephoning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I telephone?
can't you telephone?
can't he telephone?
can't we telephone?
can't you telephone?
can't they telephone? 	can't I be telephoning?
can't you be telephoning?
can't he be telephoning?
can't we be telephoning?
can't you be telephoning?
can't they be telephoning? 	can't I have telephoned?
can't you have telephoned?
can't he have telephoned?
can't we have telephoned?
can't you have telephoned?
can't they have telephoned? 	can't I have been telephoning?
can't you have been telephoning?
can't he have been telephoning?
can't we have been telephoning?
can't you have been telephoning?
can't they have been telephoning?