could intern
Verbo regolare: intern - interned- interned

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could intern
you could intern
he could intern
we could intern
you could intern
they could intern 	I could be interning
you could be interning
he could be interning
we could be interning
you could be interning
they could be interning	I could have interned
you could have interned
he could have interned
we could have interned
you could have interned
they could have interned	I could have been interning
you could have been interning
he could have been interning
we could have been interning
you could have been interning
they could have been interning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't intern
you couldn't intern
he couldn't intern
we couldn't intern
you couldn't intern
they couldn't intern 	I couldn't be interning
you couldn't be interning
he couldn't be interning
we couldn't be interning
you couldn't be interning
they couldn't be interning	I couldn't have interned
you couldn't have interned
he couldn't have interned
we couldn't have interned
you couldn't have interned
they couldn't have interned	I couldn't have been interning
you couldn't have been interning
he couldn't have been interning
we couldn't have been interning
you couldn't have been interning
they couldn't have been interning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I intern?
could you intern?
could he intern?
could we intern?
could you intern?
could they intern? 	could I be interning?
could you be interning?
could he be interning?
could we be interning?
could you be interning?
could they be interning? 	could I have interned?
could you have interned?
could he have interned?
could we have interned?
could you have interned?
could they have interned? 	could I have been interning?
could you have been interning?
could he have been interning?
could we have been interning?
could you have been interning?
could they have been interning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I intern?
couldn't you intern?
couldn't he intern?
couldn't we intern?
couldn't you intern?
couldn't they intern? 	couldn't I be interning?
couldn't you be interning?
couldn't he be interning?
couldn't we be interning?
couldn't you be interning?
couldn't they be interning? 	couldn't I have interned?
couldn't you have interned?
couldn't he have interned?
couldn't we have interned?
couldn't you have interned?
couldn't they have interned? 	couldn't I have been interning?
couldn't you have been interning?
couldn't he have been interning?
couldn't we have been interning?
couldn't you have been interning?
couldn't they have been interning?