I ought to grate you ought to grate she 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 she 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 she 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 she 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 ought not to grate you ought not to grate she ought not to grate we ought not to grate you ought not to grate they ought not to grate
Forme en V-ing
I ought not to grating you ought not to grating she ought not to grating we ought not to grating you ought not to grating they ought not to grating
Perfect
I ought not to have grated you ought not to have grated she ought not to have grated we ought not to have grated you ought not to have grated they ought not to have grated
Perfect en V-ing
I ought not to have been grating you ought not to have been grating she ought not to have been grating we ought not to have been grating you ought not to have been grating they ought not to have been grating
Forme interrogative
Forme simple
ought to I grate? ought to you grate? ought to she 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 she 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 she 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 she 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
ought I not to grate? ought you not to grate? ought she not to grate? ought we not to grate? ought you not to grate? ought they not to grate?
Forme en V-ing
ought I not to be grating? ought you not to be grating? ought she not to be grating? ought we not to be grating? ought you not to be grating? ought they not to be grating?
Perfect
ought I not to have grated? ought you not to have grated? ought she not to have grated? ought we not to have grated? ought you not to have grated? ought they not to have grated?
Perfect en V-ing
ought I not to have been grating? ought you not to have been grating? ought she not to have been grating? ought we not to have been grating? ought you not to have been grating? ought they not to have been grating?