I ought to birl you ought to birl she 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 she 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 she 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 she 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 ought not to birl you ought not to birl she ought not to birl we ought not to birl you ought not to birl they ought not to birl
V-ing form
I ought not to birling you ought not to birling she ought not to birling we ought not to birling you ought not to birling they ought not to birling
Perfect
I ought not to have birled you ought not to have birled she ought not to have birled we ought not to have birled you ought not to have birled they ought not to have birled
V-ing perfect
I ought not to have been birling you ought not to have been birling she ought not to have been birling we ought not to have been birling you ought not to have been birling they ought not to have been birling
Interrogative form
Simple form
ought to I birl? ought to you birl? ought to she 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 she 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 she 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 she 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
ought I not to birl? ought you not to birl? ought she not to birl? ought we not to birl? ought you not to birl? ought they not to birl?
V-ing form
ought I not to be birling? ought you not to be birling? ought she not to be birling? ought we not to be birling? ought you not to be birling? ought they not to be birling?
Perfect
ought I not to have birled? ought you not to have birled? ought she not to have birled? ought we not to have birled? ought you not to have birled? ought they not to have birled?
V-ing perfect
ought I not to have been birling? ought you not to have been birling? ought she not to have been birling? ought we not to have been birling? ought you not to have been birling? ought they not to have been birling?