I ought to rethink you ought to rethink she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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?