I ought to preface you ought to preface he ought to preface we ought to preface you ought to preface they ought to preface
Forme en V-ing
I ought to be prefacing you ought to be prefacing he ought to be prefacing we ought to be prefacing you ought to be prefacing they ought to be prefacing
Perfect
I ought to have prefaced you ought to have prefaced he ought to have prefaced we ought to have prefaced you ought to have prefaced they ought to have prefaced
Perfect en V-ing
I ought to have been prefacing you ought to have been prefacing he ought to have been prefacing we ought to have been prefacing you ought to have been prefacing they ought to have been prefacing
Négation
Forme simple
I ought not to preface you ought not to preface he ought not to preface we ought not to preface you ought not to preface they ought not to preface
Forme en V-ing
I ought not to prefacing you ought not to prefacing he ought not to prefacing we ought not to prefacing you ought not to prefacing they ought not to prefacing
Perfect
I ought not to have prefaced you ought not to have prefaced he ought not to have prefaced we ought not to have prefaced you ought not to have prefaced they ought not to have prefaced
Perfect en V-ing
I ought not to have been prefacing you ought not to have been prefacing he ought not to have been prefacing we ought not to have been prefacing you ought not to have been prefacing they ought not to have been prefacing
Forme interrogative
Forme simple
ought to I preface? ought to you preface? ought to he preface? ought to we preface? ought to you preface? ought to they preface?
Forme en V-ing
ought to I be prefacing? ought to you be prefacing? ought to he be prefacing? ought to we be prefacing? ought to you be prefacing? ought to they be prefacing?
Perfect
ought to I have prefaced? ought to you have prefaced? ought to he have prefaced? ought to we have prefaced? ought to you have prefaced? ought to they have prefaced?
Perfect en V-ing
ought to I have been prefacing? ought to you have been prefacing? ought to he have been prefacing? ought to we have been prefacing? ought to you have been prefacing? ought to they have been prefacing?
Forme interro-négative
Forme simple
ought I not to preface? ought you not to preface? ought he not to preface? ought we not to preface? ought you not to preface? ought they not to preface?
Forme en V-ing
ought I not to be prefacing? ought you not to be prefacing? ought he not to be prefacing? ought we not to be prefacing? ought you not to be prefacing? ought they not to be prefacing?
Perfect
ought I not to have prefaced? ought you not to have prefaced? ought he not to have prefaced? ought we not to have prefaced? ought you not to have prefaced? ought they not to have prefaced?
Perfect en V-ing
ought I not to have been prefacing? ought you not to have been prefacing? ought he not to have been prefacing? ought we not to have been prefacing? ought you not to have been prefacing? ought they not to have been prefacing?