could gravel
Verbo regolare: gravel - gravelled- gravelled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could gravel
you could gravel
he could gravel
we could gravel
you could gravel
they could gravel 	I could be gravelling
you could be gravelling
he could be gravelling
we could be gravelling
you could be gravelling
they could be gravelling	I could have gravelled
you could have gravelled
he could have gravelled
we could have gravelled
you could have gravelled
they could have gravelled	I could have been gravelling
you could have been gravelling
he could have been gravelling
we could have been gravelling
you could have been gravelling
they could have been gravelling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not gravel
you could not gravel
he could not gravel
we could not gravel
you could not gravel
they could not gravel 	I could not be gravelling
you could not be gravelling
he could not be gravelling
we could not be gravelling
you could not be gravelling
they could not be gravelling	I could not have gravelled
you could not have gravelled
he could not have gravelled
we could not have gravelled
you could not have gravelled
they could not have gravelled	I could not have been gravelling
you could not have been gravelling
he could not have been gravelling
we could not have been gravelling
you could not have been gravelling
they could not have been gravelling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I gravel?
could you gravel?
could he gravel?
could we gravel?
could you gravel?
could they gravel? 	could I be gravelling?
could you be gravelling?
could he be gravelling?
could we be gravelling?
could you be gravelling?
could they be gravelling? 	could I have gravelled?
could you have gravelled?
could he have gravelled?
could we have gravelled?
could you have gravelled?
could they have gravelled? 	could I have been gravelling?
could you have been gravelling?
could he have been gravelling?
could we have been gravelling?
could you have been gravelling?
could they have been gravelling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not gravel?
could you not gravel?
could he not gravel?
could we not gravel?
could you not gravel?
could they not gravel? 	could I not be gravelling?
could you not be gravelling?
could he not be gravelling?
could we not be gravelling?
could you not be gravelling?
could they not be gravelling? 	could I not have gravelled?
could you not have gravelled?
could he not have gravelled?
could we not have gravelled?
could you not have gravelled?
could they not have gravelled? 	could I not have been gravelling?
could you not have been gravelling?
could he not have been gravelling?
could we not have been gravelling?
could you not have been gravelling?
could they not have been gravelling?