could interleave
Verbo regolare: interleave - interleaved- interleaved

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could interleave
you could interleave
he could interleave
we could interleave
you could interleave
they could interleave 	I could be interleaving
you could be interleaving
he could be interleaving
we could be interleaving
you could be interleaving
they could be interleaving	I could have interleaved
you could have interleaved
he could have interleaved
we could have interleaved
you could have interleaved
they could have interleaved	I could have been interleaving
you could have been interleaving
he could have been interleaving
we could have been interleaving
you could have been interleaving
they could have been interleaving	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not interleave
you could not interleave
he could not interleave
we could not interleave
you could not interleave
they could not interleave 	I could not be interleaving
you could not be interleaving
he could not be interleaving
we could not be interleaving
you could not be interleaving
they could not be interleaving	I could not have interleaved
you could not have interleaved
he could not have interleaved
we could not have interleaved
you could not have interleaved
they could not have interleaved	I could not have been interleaving
you could not have been interleaving
he could not have been interleaving
we could not have been interleaving
you could not have been interleaving
they could not have been interleaving	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I interleave?
could you interleave?
could he interleave?
could we interleave?
could you interleave?
could they interleave? 	could I be interleaving?
could you be interleaving?
could he be interleaving?
could we be interleaving?
could you be interleaving?
could they be interleaving? 	could I have interleaved?
could you have interleaved?
could he have interleaved?
could we have interleaved?
could you have interleaved?
could they have interleaved? 	could I have been interleaving?
could you have been interleaving?
could he have been interleaving?
could we have been interleaving?
could you have been interleaving?
could they have been interleaving? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not interleave?
could you not interleave?
could he not interleave?
could we not interleave?
could you not interleave?
could they not interleave? 	could I not be interleaving?
could you not be interleaving?
could he not be interleaving?
could we not be interleaving?
could you not be interleaving?
could they not be interleaving? 	could I not have interleaved?
could you not have interleaved?
could he not have interleaved?
could we not have interleaved?
could you not have interleaved?
could they not have interleaved? 	could I not have been interleaving?
could you not have been interleaving?
could he not have been interleaving?
could we not have been interleaving?
could you not have been interleaving?
could they not have been interleaving?