I ought to corroborate you ought to corroborate he ought to corroborate we ought to corroborate you ought to corroborate they ought to corroborate
Forme en V-ing
I ought to be corroborating you ought to be corroborating he ought to be corroborating we ought to be corroborating you ought to be corroborating they ought to be corroborating
Perfect
I ought to have corroborated you ought to have corroborated he ought to have corroborated we ought to have corroborated you ought to have corroborated they ought to have corroborated
Perfect en V-ing
I ought to have been corroborating you ought to have been corroborating he ought to have been corroborating we ought to have been corroborating you ought to have been corroborating they ought to have been corroborating
Négation
Forme simple
I ought not to corroborate you ought not to corroborate he ought not to corroborate we ought not to corroborate you ought not to corroborate they ought not to corroborate
Forme en V-ing
I ought not to corroborating you ought not to corroborating he ought not to corroborating we ought not to corroborating you ought not to corroborating they ought not to corroborating
Perfect
I ought not to have corroborated you ought not to have corroborated he ought not to have corroborated we ought not to have corroborated you ought not to have corroborated they ought not to have corroborated
Perfect en V-ing
I ought not to have been corroborating you ought not to have been corroborating he ought not to have been corroborating we ought not to have been corroborating you ought not to have been corroborating they ought not to have been corroborating
Forme interrogative
Forme simple
ought to I corroborate? ought to you corroborate? ought to he corroborate? ought to we corroborate? ought to you corroborate? ought to they corroborate?
Forme en V-ing
ought to I be corroborating? ought to you be corroborating? ought to he be corroborating? ought to we be corroborating? ought to you be corroborating? ought to they be corroborating?
Perfect
ought to I have corroborated? ought to you have corroborated? ought to he have corroborated? ought to we have corroborated? ought to you have corroborated? ought to they have corroborated?
Perfect en V-ing
ought to I have been corroborating? ought to you have been corroborating? ought to he have been corroborating? ought to we have been corroborating? ought to you have been corroborating? ought to they have been corroborating?
Forme interro-négative
Forme simple
ought I not to corroborate? ought you not to corroborate? ought he not to corroborate? ought we not to corroborate? ought you not to corroborate? ought they not to corroborate?
Forme en V-ing
ought I not to be corroborating? ought you not to be corroborating? ought he not to be corroborating? ought we not to be corroborating? ought you not to be corroborating? ought they not to be corroborating?
Perfect
ought I not to have corroborated? ought you not to have corroborated? ought he not to have corroborated? ought we not to have corroborated? ought you not to have corroborated? ought they not to have corroborated?
Perfect en V-ing
ought I not to have been corroborating? ought you not to have been corroborating? ought he not to have been corroborating? ought we not to have been corroborating? ought you not to have been corroborating? ought they not to have been corroborating?