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