Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I ought to think back you ought to think back he ought to think back we ought to think back you ought to think back they ought to think back
Forme en V-ing
I ought to be think backing you ought to be think backing he ought to be think backing we ought to be think backing you ought to be think backing they ought to be think backing
Perfect
I ought to have think backed you ought to have think backed he ought to have think backed we ought to have think backed you ought to have think backed they ought to have think backed
Perfect en V-ing
I ought to have been think backing you ought to have been think backing he ought to have been think backing we ought to have been think backing you ought to have been think backing they ought to have been think backing
Négation
Forme simple
I oughtn't to think back you oughtn't to think back he oughtn't to think back we oughtn't to think back you oughtn't to think back they oughtn't to think back
Forme en V-ing
I oughtn't to be think backing you oughtn't to be think backing he oughtn't to be think backing we oughtn't to be think backing you oughtn't to be think backing they oughtn't to be think backing
Perfect
I oughtn't to have think backed you oughtn't to have think backed he oughtn't to have think backed we oughtn't to have think backed you oughtn't to have think backed they oughtn't to have think backed
Perfect en V-ing
I oughtn't to have been think backing you oughtn't to have been think backing he oughtn't to have been think backing we oughtn't to have been think backing you oughtn't to have been think backing they oughtn't to have been think backing
Forme interrogative
Forme simple
ought to I think back? ought to you think back? ought to he think back? ought to we think back? ought to you think back? ought to they think back?
Forme en V-ing
ought to I be think backing? ought to you be think backing? ought to he be think backing? ought to we be think backing? ought to you be think backing? ought to they be think backing?
Perfect
ought to I have think backed? ought to you have think backed? ought to he have think backed? ought to we have think backed? ought to you have think backed? ought to they have think backed?
Perfect en V-ing
ought to I have been think backing? ought to you have been think backing? ought to he have been think backing? ought to we have been think backing? ought to you have been think backing? ought to they have been think backing?
Forme interro-négative
Forme simple
oughtn't I to think back? oughtn't you to think back? oughtn't he to think back? oughtn't we to think back? oughtn't you to think back? oughtn't they to think back?
Forme en V-ing
oughtn't I to be think backing? oughtn't you to be think backing? oughtn't he to be think backing? oughtn't we to be think backing? oughtn't you to be think backing? oughtn't they to be think backing?
Perfect
oughtn't I to have think backed? oughtn't you to have think backed? oughtn't he to have think backed? oughtn't we to have think backed? oughtn't you to have think backed? oughtn't they to have think backed?
Perfect en V-ing
oughtn't I to have been think backing? oughtn't you to have been think backing? oughtn't he to have been think backing? oughtn't we to have been think backing? oughtn't you to have been think backing? oughtn't they to have been think backing?