ought to drill
Regular verb: drill - drilled- drilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to drill
you ought to drill
she 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
she 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
she 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
she ought to have been drilling
we ought to have been drilling
you ought to have been drilling
they ought to have been drilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to drill
you ought not to drill
she 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
she 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
she 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
she 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	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I drill?
ought to you drill?
ought to she 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 she 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 she 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 she have been drilling?
ought to we have been drilling?
ought to you have been drilling?
ought to they have been drilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to drill?
ought you not to drill?
ought she 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 she 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 she 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 she 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?