should gravel
Verbo regular: gravel - gravelled- gravelled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd gravel
you'd gravel
he'd gravel
we'd gravel
you'd gravel
they'd gravel 	I'd be gravelling
you'd be gravelling
he'd be gravelling
we'd be gravelling
you'd be gravelling
they'd be gravelling	I should've gravelled
you should've gravelled
he should've gravelled
we should've gravelled
you should've gravelled
they should've gravelled	I should've been gravelling
you should've been gravelling
he should've been gravelling
we should've been gravelling
you should've been gravelling
they should've been gravelling	

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

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

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