ought to shell
Verbo regular: shell - shelled- shelled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to shell
you ought to shell
he ought to shell
we ought to shell
you ought to shell
they ought to shell 	I ought to be shelling
you ought to be shelling
he ought to be shelling
we ought to be shelling
you ought to be shelling
they ought to be shelling	I ought to have shelled
you ought to have shelled
he ought to have shelled
we ought to have shelled
you ought to have shelled
they ought to have shelled	I ought to have been shelling
you ought to have been shelling
he ought to have been shelling
we ought to have been shelling
you ought to have been shelling
they ought to have been shelling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to shell
you oughtn't to shell
he oughtn't to shell
we oughtn't to shell
you oughtn't to shell
they oughtn't to shell 	I oughtn't to be shelling
you oughtn't to be shelling
he oughtn't to be shelling
we oughtn't to be shelling
you oughtn't to be shelling
they oughtn't to be shelling	I oughtn't to have shelled
you oughtn't to have shelled
he oughtn't to have shelled
we oughtn't to have shelled
you oughtn't to have shelled
they oughtn't to have shelled	I oughtn't to have been shelling
you oughtn't to have been shelling
he oughtn't to have been shelling
we oughtn't to have been shelling
you oughtn't to have been shelling
they oughtn't to have been shelling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I shell?
ought to you shell?
ought to he shell?
ought to we shell?
ought to you shell?
ought to they shell? 	ought to I be shelling?
ought to you be shelling?
ought to he be shelling?
ought to we be shelling?
ought to you be shelling?
ought to they be shelling? 	ought to I have shelled?
ought to you have shelled?
ought to he have shelled?
ought to we have shelled?
ought to you have shelled?
ought to they have shelled? 	ought to I have been shelling?
ought to you have been shelling?
ought to he have been shelling?
ought to we have been shelling?
ought to you have been shelling?
ought to they have been shelling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to shell?
oughtn't you to shell?
oughtn't he to shell?
oughtn't we to shell?
oughtn't you to shell?
oughtn't they to shell? 	oughtn't I to be shelling?
oughtn't you to be shelling?
oughtn't he to be shelling?
oughtn't we to be shelling?
oughtn't you to be shelling?
oughtn't they to be shelling? 	oughtn't I to have shelled?
oughtn't you to have shelled?
oughtn't he to have shelled?
oughtn't we to have shelled?
oughtn't you to have shelled?
oughtn't they to have shelled? 	oughtn't I to have been shelling?
oughtn't you to have been shelling?
oughtn't he to have been shelling?
oughtn't we to have been shelling?
oughtn't you to have been shelling?
oughtn't they to have been shelling?