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