I ought to grate you ought to grate he ought to grate we ought to grate you ought to grate they ought to grate
Forme en V-ing
I ought to be grating you ought to be grating he ought to be grating we ought to be grating you ought to be grating they ought to be grating
Perfect
I ought to have grated you ought to have grated he ought to have grated we ought to have grated you ought to have grated they ought to have grated
Perfect en V-ing
I ought to have been grating you ought to have been grating he ought to have been grating we ought to have been grating you ought to have been grating they ought to have been grating
Négation
Forme simple
I oughtn't to grate you oughtn't to grate he oughtn't to grate we oughtn't to grate you oughtn't to grate they oughtn't to grate
Forme en V-ing
I oughtn't to be grating you oughtn't to be grating he oughtn't to be grating we oughtn't to be grating you oughtn't to be grating they oughtn't to be grating
Perfect
I oughtn't to have grated you oughtn't to have grated he oughtn't to have grated we oughtn't to have grated you oughtn't to have grated they oughtn't to have grated
Perfect en V-ing
I oughtn't to have been grating you oughtn't to have been grating he oughtn't to have been grating we oughtn't to have been grating you oughtn't to have been grating they oughtn't to have been grating
Forme interrogative
Forme simple
ought to I grate? ought to you grate? ought to he grate? ought to we grate? ought to you grate? ought to they grate?
Forme en V-ing
ought to I be grating? ought to you be grating? ought to he be grating? ought to we be grating? ought to you be grating? ought to they be grating?
Perfect
ought to I have grated? ought to you have grated? ought to he have grated? ought to we have grated? ought to you have grated? ought to they have grated?
Perfect en V-ing
ought to I have been grating? ought to you have been grating? ought to he have been grating? ought to we have been grating? ought to you have been grating? ought to they have been grating?
Forme interro-négative
Forme simple
oughtn't I to grate? oughtn't you to grate? oughtn't he to grate? oughtn't we to grate? oughtn't you to grate? oughtn't they to grate?
Forme en V-ing
oughtn't I to be grating? oughtn't you to be grating? oughtn't he to be grating? oughtn't we to be grating? oughtn't you to be grating? oughtn't they to be grating?
Perfect
oughtn't I to have grated? oughtn't you to have grated? oughtn't he to have grated? oughtn't we to have grated? oughtn't you to have grated? oughtn't they to have grated?
Perfect en V-ing
oughtn't I to have been grating? oughtn't you to have been grating? oughtn't he to have been grating? oughtn't we to have been grating? oughtn't you to have been grating? oughtn't they to have been grating?