English verb conjugation
OUGHT TO DEGREASE

Regular verb: degrease - degreased - degreased

Affirmation

Simple form	V-ing form
I ought to degrease you ought to degrease she ought to degrease we ought to degrease you ought to degrease they ought to degrease	I ought to be degreasing you ought to be degreasing she ought to be degreasing we ought to be degreasing you ought to be degreasing they ought to be degreasing
Perfect	V-ing perfect
I ought to have degreased you ought to have degreased she ought to have degreased we ought to have degreased you ought to have degreased they ought to have degreased	I ought to have been degreasing you ought to have been degreasing she ought to have been degreasing we ought to have been degreasing you ought to have been degreasing they ought to have been degreasing

Negation

Simple form	V-ing form
I oughtn't to degrease you oughtn't to degrease she oughtn't to degrease we oughtn't to degrease you oughtn't to degrease they oughtn't to degrease	I oughtn't to be degreasing you oughtn't to be degreasing she oughtn't to be degreasing we oughtn't to be degreasing you oughtn't to be degreasing they oughtn't to be degreasing
Perfect	V-ing perfect
I oughtn't to have degreased you oughtn't to have degreased she oughtn't to have degreased we oughtn't to have degreased you oughtn't to have degreased they oughtn't to have degreased	I oughtn't to have been degreasing you oughtn't to have been degreasing she oughtn't to have been degreasing we oughtn't to have been degreasing you oughtn't to have been degreasing they oughtn't to have been degreasing

Interrogative form

Simple form	V-ing form
ought to I degrease? ought to you degrease? ought to she degrease? ought to we degrease? ought to you degrease? ought to they degrease?	ought to I be degreasing? ought to you be degreasing? ought to she be degreasing? ought to we be degreasing? ought to you be degreasing? ought to they be degreasing?
Perfect	V-ing perfect
ought to I have degreased? ought to you have degreased? ought to she have degreased? ought to we have degreased? ought to you have degreased? ought to they have degreased?	ought to I have been degreasing? ought to you have been degreasing? ought to she have been degreasing? ought to we have been degreasing? ought to you have been degreasing? ought to they have been degreasing?

Interro-negative form

Simple form	V-ing form
oughtn't I to degrease? oughtn't you to degrease? oughtn't she to degrease? oughtn't we to degrease? oughtn't you to degrease? oughtn't they to degrease?	oughtn't I to be degreasing? oughtn't you to be degreasing? oughtn't she to be degreasing? oughtn't we to be degreasing? oughtn't you to be degreasing? oughtn't they to be degreasing?
Perfect	V-ing perfect
oughtn't I to have degreased? oughtn't you to have degreased? oughtn't she to have degreased? oughtn't we to have degreased? oughtn't you to have degreased? oughtn't they to have degreased?	oughtn't I to have been degreasing? oughtn't you to have been degreasing? oughtn't she to have been degreasing? oughtn't we to have been degreasing? oughtn't you to have been degreasing? oughtn't they to have been degreasing?