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