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