could interfile
Verbo regolare: interfile - interfiled- interfiled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could interfile
you could interfile
he could interfile
we could interfile
you could interfile
they could interfile 	I could be interfiling
you could be interfiling
he could be interfiling
we could be interfiling
you could be interfiling
they could be interfiling	I could have interfiled
you could have interfiled
he could have interfiled
we could have interfiled
you could have interfiled
they could have interfiled	I could have been interfiling
you could have been interfiling
he could have been interfiling
we could have been interfiling
you could have been interfiling
they could have been interfiling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't interfile
you couldn't interfile
he couldn't interfile
we couldn't interfile
you couldn't interfile
they couldn't interfile 	I couldn't be interfiling
you couldn't be interfiling
he couldn't be interfiling
we couldn't be interfiling
you couldn't be interfiling
they couldn't be interfiling	I couldn't have interfiled
you couldn't have interfiled
he couldn't have interfiled
we couldn't have interfiled
you couldn't have interfiled
they couldn't have interfiled	I couldn't have been interfiling
you couldn't have been interfiling
he couldn't have been interfiling
we couldn't have been interfiling
you couldn't have been interfiling
they couldn't have been interfiling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I interfile?
could you interfile?
could he interfile?
could we interfile?
could you interfile?
could they interfile? 	could I be interfiling?
could you be interfiling?
could he be interfiling?
could we be interfiling?
could you be interfiling?
could they be interfiling? 	could I have interfiled?
could you have interfiled?
could he have interfiled?
could we have interfiled?
could you have interfiled?
could they have interfiled? 	could I have been interfiling?
could you have been interfiling?
could he have been interfiling?
could we have been interfiling?
could you have been interfiling?
could they have been interfiling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I interfile?
couldn't you interfile?
couldn't he interfile?
couldn't we interfile?
couldn't you interfile?
couldn't they interfile? 	couldn't I be interfiling?
couldn't you be interfiling?
couldn't he be interfiling?
couldn't we be interfiling?
couldn't you be interfiling?
couldn't they be interfiling? 	couldn't I have interfiled?
couldn't you have interfiled?
couldn't he have interfiled?
couldn't we have interfiled?
couldn't you have interfiled?
couldn't they have interfiled? 	couldn't I have been interfiling?
couldn't you have been interfiling?
couldn't he have been interfiling?
couldn't we have been interfiling?
couldn't you have been interfiling?
couldn't they have been interfiling?