ought to gravel
Verbo regular: gravel - gravelled- gravelled

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

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

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

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