could sponge
Verbo regolare: sponge - sponged- sponged

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could sponge
you could sponge
he could sponge
we could sponge
you could sponge
they could sponge 	I could be sponging
you could be sponging
he could be sponging
we could be sponging
you could be sponging
they could be sponging	I could have sponged
you could have sponged
he could have sponged
we could have sponged
you could have sponged
they could have sponged	I could have been sponging
you could have been sponging
he could have been sponging
we could have been sponging
you could have been sponging
they could have been sponging	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't sponge
you couldn't sponge
he couldn't sponge
we couldn't sponge
you couldn't sponge
they couldn't sponge 	I couldn't be sponging
you couldn't be sponging
he couldn't be sponging
we couldn't be sponging
you couldn't be sponging
they couldn't be sponging	I couldn't have sponged
you couldn't have sponged
he couldn't have sponged
we couldn't have sponged
you couldn't have sponged
they couldn't have sponged	I couldn't have been sponging
you couldn't have been sponging
he couldn't have been sponging
we couldn't have been sponging
you couldn't have been sponging
they couldn't have been sponging	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I sponge?
could you sponge?
could he sponge?
could we sponge?
could you sponge?
could they sponge? 	could I be sponging?
could you be sponging?
could he be sponging?
could we be sponging?
could you be sponging?
could they be sponging? 	could I have sponged?
could you have sponged?
could he have sponged?
could we have sponged?
could you have sponged?
could they have sponged? 	could I have been sponging?
could you have been sponging?
could he have been sponging?
could we have been sponging?
could you have been sponging?
could they have been sponging? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I sponge?
couldn't you sponge?
couldn't he sponge?
couldn't we sponge?
couldn't you sponge?
couldn't they sponge? 	couldn't I be sponging?
couldn't you be sponging?
couldn't he be sponging?
couldn't we be sponging?
couldn't you be sponging?
couldn't they be sponging? 	couldn't I have sponged?
couldn't you have sponged?
couldn't he have sponged?
couldn't we have sponged?
couldn't you have sponged?
couldn't they have sponged? 	couldn't I have been sponging?
couldn't you have been sponging?
couldn't he have been sponging?
couldn't we have been sponging?
couldn't you have been sponging?
couldn't they have been sponging?