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