could interface
Verbo regolare: interface - interfaced- interfaced

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could interface
you could interface
he could interface
we could interface
you could interface
they could interface 	I could be interfacing
you could be interfacing
he could be interfacing
we could be interfacing
you could be interfacing
they could be interfacing	I could have interfaced
you could have interfaced
he could have interfaced
we could have interfaced
you could have interfaced
they could have interfaced	I could have been interfacing
you could have been interfacing
he could have been interfacing
we could have been interfacing
you could have been interfacing
they could have been interfacing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not interface
you could not interface
he could not interface
we could not interface
you could not interface
they could not interface 	I could not be interfacing
you could not be interfacing
he could not be interfacing
we could not be interfacing
you could not be interfacing
they could not be interfacing	I could not have interfaced
you could not have interfaced
he could not have interfaced
we could not have interfaced
you could not have interfaced
they could not have interfaced	I could not have been interfacing
you could not have been interfacing
he could not have been interfacing
we could not have been interfacing
you could not have been interfacing
they could not have been interfacing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I interface?
could you interface?
could he interface?
could we interface?
could you interface?
could they interface? 	could I be interfacing?
could you be interfacing?
could he be interfacing?
could we be interfacing?
could you be interfacing?
could they be interfacing? 	could I have interfaced?
could you have interfaced?
could he have interfaced?
could we have interfaced?
could you have interfaced?
could they have interfaced? 	could I have been interfacing?
could you have been interfacing?
could he have been interfacing?
could we have been interfacing?
could you have been interfacing?
could they have been interfacing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not interface?
could you not interface?
could he not interface?
could we not interface?
could you not interface?
could they not interface? 	could I not be interfacing?
could you not be interfacing?
could he not be interfacing?
could we not be interfacing?
could you not be interfacing?
could they not be interfacing? 	could I not have interfaced?
could you not have interfaced?
could he not have interfaced?
could we not have interfaced?
could you not have interfaced?
could they not have interfaced? 	could I not have been interfacing?
could you not have been interfacing?
could he not have been interfacing?
could we not have been interfacing?
could you not have been interfacing?
could they not have been interfacing?