English verb conjugation
OUGHT TO OIL

Regular verb: oil - oiled - oiled

Affirmation

Simple form	V-ing form
I ought to oil you ought to oil he ought to oil we ought to oil you ought to oil they ought to oil	I ought to be oiling you ought to be oiling he ought to be oiling we ought to be oiling you ought to be oiling they ought to be oiling
Perfect	V-ing perfect
I ought to have oiled you ought to have oiled he ought to have oiled we ought to have oiled you ought to have oiled they ought to have oiled	I ought to have been oiling you ought to have been oiling he ought to have been oiling we ought to have been oiling you ought to have been oiling they ought to have been oiling

Negation

Simple form	V-ing form
I oughtn't to oil you oughtn't to oil he oughtn't to oil we oughtn't to oil you oughtn't to oil they oughtn't to oil	I oughtn't to be oiling you oughtn't to be oiling he oughtn't to be oiling we oughtn't to be oiling you oughtn't to be oiling they oughtn't to be oiling
Perfect	V-ing perfect
I oughtn't to have oiled you oughtn't to have oiled he oughtn't to have oiled we oughtn't to have oiled you oughtn't to have oiled they oughtn't to have oiled	I oughtn't to have been oiling you oughtn't to have been oiling he oughtn't to have been oiling we oughtn't to have been oiling you oughtn't to have been oiling they oughtn't to have been oiling

Interrogative form

Simple form	V-ing form
ought to I oil? ought to you oil? ought to he oil? ought to we oil? ought to you oil? ought to they oil?	ought to I be oiling? ought to you be oiling? ought to he be oiling? ought to we be oiling? ought to you be oiling? ought to they be oiling?
Perfect	V-ing perfect
ought to I have oiled? ought to you have oiled? ought to he have oiled? ought to we have oiled? ought to you have oiled? ought to they have oiled?	ought to I have been oiling? ought to you have been oiling? ought to he have been oiling? ought to we have been oiling? ought to you have been oiling? ought to they have been oiling?

Interro-negative form

Simple form	V-ing form
oughtn't I to oil? oughtn't you to oil? oughtn't he to oil? oughtn't we to oil? oughtn't you to oil? oughtn't they to oil?	oughtn't I to be oiling? oughtn't you to be oiling? oughtn't he to be oiling? oughtn't we to be oiling? oughtn't you to be oiling? oughtn't they to be oiling?
Perfect	V-ing perfect
oughtn't I to have oiled? oughtn't you to have oiled? oughtn't he to have oiled? oughtn't we to have oiled? oughtn't you to have oiled? oughtn't they to have oiled?	oughtn't I to have been oiling? oughtn't you to have been oiling? oughtn't he to have been oiling? oughtn't we to have been oiling? oughtn't you to have been oiling? oughtn't they to have been oiling?