English verb conjugation
OUGHT TO PREDRILL

Regular verb: predrill - predrilled - predrilled

Affirmation

Simple form	V-ing form
I ought to predrill you ought to predrill he ought to predrill we ought to predrill you ought to predrill they ought to predrill	I ought to be predrilling you ought to be predrilling he ought to be predrilling we ought to be predrilling you ought to be predrilling they ought to be predrilling
Perfect	V-ing perfect
I ought to have predrilled you ought to have predrilled he ought to have predrilled we ought to have predrilled you ought to have predrilled they ought to have predrilled	I ought to have been predrilling you ought to have been predrilling he ought to have been predrilling we ought to have been predrilling you ought to have been predrilling they ought to have been predrilling

Negation

Simple form	V-ing form
I oughtn't to predrill you oughtn't to predrill he oughtn't to predrill we oughtn't to predrill you oughtn't to predrill they oughtn't to predrill	I oughtn't to be predrilling you oughtn't to be predrilling he oughtn't to be predrilling we oughtn't to be predrilling you oughtn't to be predrilling they oughtn't to be predrilling
Perfect	V-ing perfect
I oughtn't to have predrilled you oughtn't to have predrilled he oughtn't to have predrilled we oughtn't to have predrilled you oughtn't to have predrilled they oughtn't to have predrilled	I oughtn't to have been predrilling you oughtn't to have been predrilling he oughtn't to have been predrilling we oughtn't to have been predrilling you oughtn't to have been predrilling they oughtn't to have been predrilling

Interrogative form

Simple form	V-ing form
ought to I predrill? ought to you predrill? ought to he predrill? ought to we predrill? ought to you predrill? ought to they predrill?	ought to I be predrilling? ought to you be predrilling? ought to he be predrilling? ought to we be predrilling? ought to you be predrilling? ought to they be predrilling?
Perfect	V-ing perfect
ought to I have predrilled? ought to you have predrilled? ought to he have predrilled? ought to we have predrilled? ought to you have predrilled? ought to they have predrilled?	ought to I have been predrilling? ought to you have been predrilling? ought to he have been predrilling? ought to we have been predrilling? ought to you have been predrilling? ought to they have been predrilling?

Interro-negative form

Simple form	V-ing form
oughtn't I to predrill? oughtn't you to predrill? oughtn't he to predrill? oughtn't we to predrill? oughtn't you to predrill? oughtn't they to predrill?	oughtn't I to be predrilling? oughtn't you to be predrilling? oughtn't he to be predrilling? oughtn't we to be predrilling? oughtn't you to be predrilling? oughtn't they to be predrilling?
Perfect	V-ing perfect
oughtn't I to have predrilled? oughtn't you to have predrilled? oughtn't he to have predrilled? oughtn't we to have predrilled? oughtn't you to have predrilled? oughtn't they to have predrilled?	oughtn't I to have been predrilling? oughtn't you to have been predrilling? oughtn't he to have been predrilling? oughtn't we to have been predrilling? oughtn't you to have been predrilling? oughtn't they to have been predrilling?