ought to drill
Verbo regular: drill - drilled- drilled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to drill
you ought to drill
he ought to drill
we ought to drill
you ought to drill
they ought to drill 	I ought to be drilling
you ought to be drilling
he ought to be drilling
we ought to be drilling
you ought to be drilling
they ought to be drilling	I ought to have drilled
you ought to have drilled
he ought to have drilled
we ought to have drilled
you ought to have drilled
they ought to have drilled	I ought to have been drilling
you ought to have been drilling
he ought to have been drilling
we ought to have been drilling
you ought to have been drilling
they ought to have been drilling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to drill
you ought not to drill
he ought not to drill
we ought not to drill
you ought not to drill
they ought not to drill 	I ought not to drilling
you ought not to drilling
he ought not to drilling
we ought not to drilling
you ought not to drilling
they ought not to drilling	I ought not to have drilled
you ought not to have drilled
he ought not to have drilled
we ought not to have drilled
you ought not to have drilled
they ought not to have drilled	I ought not to have been drilling
you ought not to have been drilling
he ought not to have been drilling
we ought not to have been drilling
you ought not to have been drilling
they ought not to have been drilling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I drill?
ought to you drill?
ought to he drill?
ought to we drill?
ought to you drill?
ought to they drill? 	ought to I be drilling?
ought to you be drilling?
ought to he be drilling?
ought to we be drilling?
ought to you be drilling?
ought to they be drilling? 	ought to I have drilled?
ought to you have drilled?
ought to he have drilled?
ought to we have drilled?
ought to you have drilled?
ought to they have drilled? 	ought to I have been drilling?
ought to you have been drilling?
ought to he have been drilling?
ought to we have been drilling?
ought to you have been drilling?
ought to they have been drilling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to drill?
ought you not to drill?
ought he not to drill?
ought we not to drill?
ought you not to drill?
ought they not to drill? 	ought I not to be drilling?
ought you not to be drilling?
ought he not to be drilling?
ought we not to be drilling?
ought you not to be drilling?
ought they not to be drilling? 	ought I not to have drilled?
ought you not to have drilled?
ought he not to have drilled?
ought we not to have drilled?
ought you not to have drilled?
ought they not to have drilled? 	ought I not to have been drilling?
ought you not to have been drilling?
ought he not to have been drilling?
ought we not to have been drilling?
ought you not to have been drilling?
ought they not to have been drilling?