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