can gravel
Verbo regular: gravel - gravelled- gravelled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can gravel
you can gravel
she can gravel
we can gravel
you can gravel
they can gravel 	I can be gravelling
you can be gravelling
she can be gravelling
we can be gravelling
you can be gravelling
they can be gravelling	I can have gravelled
you can have gravelled
she can have gravelled
we can have gravelled
you can have gravelled
they can have gravelled	I can have been gravelling
you can have been gravelling
she can have been gravelling
we can have been gravelling
you can have been gravelling
they can have been gravelling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't gravel
you can't gravel
she can't gravel
we can't gravel
you can't gravel
they can't gravel 	I can't be gravelling
you can't be gravelling
she can't be gravelling
we can't be gravelling
you can't be gravelling
they can't be gravelling	I can't have gravelled
you can't have gravelled
she can't have gravelled
we can't have gravelled
you can't have gravelled
they can't have gravelled	I can't have been gravelling
you can't have been gravelling
she can't have been gravelling
we can't have been gravelling
you can't have been gravelling
they can't have been gravelling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I gravel?
can you gravel?
can she gravel?
can we gravel?
can you gravel?
can they gravel? 	can I be gravelling?
can you be gravelling?
can she be gravelling?
can we be gravelling?
can you be gravelling?
can they be gravelling? 	can I have gravelled?
can you have gravelled?
can she have gravelled?
can we have gravelled?
can you have gravelled?
can they have gravelled? 	can I have been gravelling?
can you have been gravelling?
can she have been gravelling?
can we have been gravelling?
can you have been gravelling?
can they have been gravelling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I gravel?
can't you gravel?
can't she gravel?
can't we gravel?
can't you gravel?
can't they gravel? 	can't I be gravelling?
can't you be gravelling?
can't she be gravelling?
can't we be gravelling?
can't you be gravelling?
can't they be gravelling? 	can't I have gravelled?
can't you have gravelled?
can't she have gravelled?
can't we have gravelled?
can't you have gravelled?
can't they have gravelled? 	can't I have been gravelling?
can't you have been gravelling?
can't she have been gravelling?
can't we have been gravelling?
can't you have been gravelling?
can't they have been gravelling?