English verb conjugation
OUGHT TO GREASE

Regular verb: grease - greased - greased

Affirmation

Simple form	V-ing form
I ought to grease you ought to grease she ought to grease we ought to grease you ought to grease they ought to grease	I ought to be greasing you ought to be greasing she ought to be greasing we ought to be greasing you ought to be greasing they ought to be greasing
Perfect	V-ing perfect
I ought to have greased you ought to have greased she ought to have greased we ought to have greased you ought to have greased they ought to have greased	I ought to have been greasing you ought to have been greasing she ought to have been greasing we ought to have been greasing you ought to have been greasing they ought to have been greasing

Negation

Simple form	V-ing form
I oughtn't to grease you oughtn't to grease she oughtn't to grease we oughtn't to grease you oughtn't to grease they oughtn't to grease	I oughtn't to be greasing you oughtn't to be greasing she oughtn't to be greasing we oughtn't to be greasing you oughtn't to be greasing they oughtn't to be greasing
Perfect	V-ing perfect
I oughtn't to have greased you oughtn't to have greased she oughtn't to have greased we oughtn't to have greased you oughtn't to have greased they oughtn't to have greased	I oughtn't to have been greasing you oughtn't to have been greasing she oughtn't to have been greasing we oughtn't to have been greasing you oughtn't to have been greasing they oughtn't to have been greasing

Interrogative form

Simple form	V-ing form
ought to I grease? ought to you grease? ought to she grease? ought to we grease? ought to you grease? ought to they grease?	ought to I be greasing? ought to you be greasing? ought to she be greasing? ought to we be greasing? ought to you be greasing? ought to they be greasing?
Perfect	V-ing perfect
ought to I have greased? ought to you have greased? ought to she have greased? ought to we have greased? ought to you have greased? ought to they have greased?	ought to I have been greasing? ought to you have been greasing? ought to she have been greasing? ought to we have been greasing? ought to you have been greasing? ought to they have been greasing?

Interro-negative form

Simple form	V-ing form
oughtn't I to grease? oughtn't you to grease? oughtn't she to grease? oughtn't we to grease? oughtn't you to grease? oughtn't they to grease?	oughtn't I to be greasing? oughtn't you to be greasing? oughtn't she to be greasing? oughtn't we to be greasing? oughtn't you to be greasing? oughtn't they to be greasing?
Perfect	V-ing perfect
oughtn't I to have greased? oughtn't you to have greased? oughtn't she to have greased? oughtn't we to have greased? oughtn't you to have greased? oughtn't they to have greased?	oughtn't I to have been greasing? oughtn't you to have been greasing? oughtn't she to have been greasing? oughtn't we to have been greasing? oughtn't you to have been greasing? oughtn't they to have been greasing?