I ought to buttress you ought to buttress he ought to buttress we ought to buttress you ought to buttress they ought to buttress
Forme en V-ing
I ought to be buttressing you ought to be buttressing he ought to be buttressing we ought to be buttressing you ought to be buttressing they ought to be buttressing
Perfect
I ought to have buttressed you ought to have buttressed he ought to have buttressed we ought to have buttressed you ought to have buttressed they ought to have buttressed
Perfect en V-ing
I ought to have been buttressing you ought to have been buttressing he ought to have been buttressing we ought to have been buttressing you ought to have been buttressing they ought to have been buttressing
Négation
Forme simple
I ought not to buttress you ought not to buttress he ought not to buttress we ought not to buttress you ought not to buttress they ought not to buttress
Forme en V-ing
I ought not to buttressing you ought not to buttressing he ought not to buttressing we ought not to buttressing you ought not to buttressing they ought not to buttressing
Perfect
I ought not to have buttressed you ought not to have buttressed he ought not to have buttressed we ought not to have buttressed you ought not to have buttressed they ought not to have buttressed
Perfect en V-ing
I ought not to have been buttressing you ought not to have been buttressing he ought not to have been buttressing we ought not to have been buttressing you ought not to have been buttressing they ought not to have been buttressing
Forme interrogative
Forme simple
ought to I buttress? ought to you buttress? ought to he buttress? ought to we buttress? ought to you buttress? ought to they buttress?
Forme en V-ing
ought to I be buttressing? ought to you be buttressing? ought to he be buttressing? ought to we be buttressing? ought to you be buttressing? ought to they be buttressing?
Perfect
ought to I have buttressed? ought to you have buttressed? ought to he have buttressed? ought to we have buttressed? ought to you have buttressed? ought to they have buttressed?
Perfect en V-ing
ought to I have been buttressing? ought to you have been buttressing? ought to he have been buttressing? ought to we have been buttressing? ought to you have been buttressing? ought to they have been buttressing?
Forme interro-négative
Forme simple
ought I not to buttress? ought you not to buttress? ought he not to buttress? ought we not to buttress? ought you not to buttress? ought they not to buttress?
Forme en V-ing
ought I not to be buttressing? ought you not to be buttressing? ought he not to be buttressing? ought we not to be buttressing? ought you not to be buttressing? ought they not to be buttressing?
Perfect
ought I not to have buttressed? ought you not to have buttressed? ought he not to have buttressed? ought we not to have buttressed? ought you not to have buttressed? ought they not to have buttressed?
Perfect en V-ing
ought I not to have been buttressing? ought you not to have been buttressing? ought he not to have been buttressing? ought we not to have been buttressing? ought you not to have been buttressing? ought they not to have been buttressing?