I ought to lubricate you ought to lubricate he ought to lubricate we ought to lubricate you ought to lubricate they ought to lubricate
V-ing form
I ought to be lubricating you ought to be lubricating he ought to be lubricating we ought to be lubricating you ought to be lubricating they ought to be lubricating
Perfect
I ought to have lubricated you ought to have lubricated he ought to have lubricated we ought to have lubricated you ought to have lubricated they ought to have lubricated
V-ing perfect
I ought to have been lubricating you ought to have been lubricating he ought to have been lubricating we ought to have been lubricating you ought to have been lubricating they ought to have been lubricating
Negation
Simple form
I oughtn't to lubricate you oughtn't to lubricate he oughtn't to lubricate we oughtn't to lubricate you oughtn't to lubricate they oughtn't to lubricate
V-ing form
I oughtn't to be lubricating you oughtn't to be lubricating he oughtn't to be lubricating we oughtn't to be lubricating you oughtn't to be lubricating they oughtn't to be lubricating
Perfect
I oughtn't to have lubricated you oughtn't to have lubricated he oughtn't to have lubricated we oughtn't to have lubricated you oughtn't to have lubricated they oughtn't to have lubricated
V-ing perfect
I oughtn't to have been lubricating you oughtn't to have been lubricating he oughtn't to have been lubricating we oughtn't to have been lubricating you oughtn't to have been lubricating they oughtn't to have been lubricating
Interrogative form
Simple form
ought to I lubricate? ought to you lubricate? ought to he lubricate? ought to we lubricate? ought to you lubricate? ought to they lubricate?
V-ing form
ought to I be lubricating? ought to you be lubricating? ought to he be lubricating? ought to we be lubricating? ought to you be lubricating? ought to they be lubricating?
Perfect
ought to I have lubricated? ought to you have lubricated? ought to he have lubricated? ought to we have lubricated? ought to you have lubricated? ought to they have lubricated?
V-ing perfect
ought to I have been lubricating? ought to you have been lubricating? ought to he have been lubricating? ought to we have been lubricating? ought to you have been lubricating? ought to they have been lubricating?
Interro-negative form
Simple form
oughtn't I to lubricate? oughtn't you to lubricate? oughtn't he to lubricate? oughtn't we to lubricate? oughtn't you to lubricate? oughtn't they to lubricate?
V-ing form
oughtn't I to be lubricating? oughtn't you to be lubricating? oughtn't he to be lubricating? oughtn't we to be lubricating? oughtn't you to be lubricating? oughtn't they to be lubricating?
Perfect
oughtn't I to have lubricated? oughtn't you to have lubricated? oughtn't he to have lubricated? oughtn't we to have lubricated? oughtn't you to have lubricated? oughtn't they to have lubricated?
V-ing perfect
oughtn't I to have been lubricating? oughtn't you to have been lubricating? oughtn't he to have been lubricating? oughtn't we to have been lubricating? oughtn't you to have been lubricating? oughtn't they to have been lubricating?