I ought to undertain you ought to undertain he ought to undertain we ought to undertain you ought to undertain they ought to undertain
Forme en V-ing
I ought to be undertaining you ought to be undertaining he ought to be undertaining we ought to be undertaining you ought to be undertaining they ought to be undertaining
Perfect
I ought to have undertained you ought to have undertained he ought to have undertained we ought to have undertained you ought to have undertained they ought to have undertained
Perfect en V-ing
I ought to have been undertaining you ought to have been undertaining he ought to have been undertaining we ought to have been undertaining you ought to have been undertaining they ought to have been undertaining
Négation
Forme simple
I ought not to undertain you ought not to undertain he ought not to undertain we ought not to undertain you ought not to undertain they ought not to undertain
Forme en V-ing
I ought not to undertaining you ought not to undertaining he ought not to undertaining we ought not to undertaining you ought not to undertaining they ought not to undertaining
Perfect
I ought not to have undertained you ought not to have undertained he ought not to have undertained we ought not to have undertained you ought not to have undertained they ought not to have undertained
Perfect en V-ing
I ought not to have been undertaining you ought not to have been undertaining he ought not to have been undertaining we ought not to have been undertaining you ought not to have been undertaining they ought not to have been undertaining
Forme interrogative
Forme simple
ought to I undertain? ought to you undertain? ought to he undertain? ought to we undertain? ought to you undertain? ought to they undertain?
Forme en V-ing
ought to I be undertaining? ought to you be undertaining? ought to he be undertaining? ought to we be undertaining? ought to you be undertaining? ought to they be undertaining?
Perfect
ought to I have undertained? ought to you have undertained? ought to he have undertained? ought to we have undertained? ought to you have undertained? ought to they have undertained?
Perfect en V-ing
ought to I have been undertaining? ought to you have been undertaining? ought to he have been undertaining? ought to we have been undertaining? ought to you have been undertaining? ought to they have been undertaining?
Forme interro-négative
Forme simple
ought I not to undertain? ought you not to undertain? ought he not to undertain? ought we not to undertain? ought you not to undertain? ought they not to undertain?
Forme en V-ing
ought I not to be undertaining? ought you not to be undertaining? ought he not to be undertaining? ought we not to be undertaining? ought you not to be undertaining? ought they not to be undertaining?
Perfect
ought I not to have undertained? ought you not to have undertained? ought he not to have undertained? ought we not to have undertained? ought you not to have undertained? ought they not to have undertained?
Perfect en V-ing
ought I not to have been undertaining? ought you not to have been undertaining? ought he not to have been undertaining? ought we not to have been undertaining? ought you not to have been undertaining? ought they not to have been undertaining?