I ought to burr you ought to burr she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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?