English verb conjugation
SHALL UNDERTAIN

Regular verb: undertain - undertained - undertained

Affirmation

Simple form	V-ing form
I shall undertain you shall undertain she shall undertain we shall undertain you shall undertain they shall undertain	I shall be undertaining you shall be undertaining she shall be undertaining we shall be undertaining you shall be undertaining they shall be undertaining
Perfect	V-ing perfect
I shall have undertained you shall have undertained she shall have undertained we shall have undertained you shall have undertained they shall have undertained	I shall have been undertaining you shall have been undertaining she shall have been undertaining we shall have been undertaining you shall have been undertaining they shall have been undertaining

Negation

Simple form	V-ing form
I shall not undertain you shall not undertain she shall not undertain we shall not undertain you shall not undertain they shall not undertain	I shall not be undertaining you shall not be undertaining she shall not be undertaining we shall not be undertaining you shall not be undertaining they shall not be undertaining
Perfect	V-ing perfect
I shall not have undertained you shall not have undertained she shall not have undertained we shall not have undertained you shall not have undertained they shall not have undertained	I shall not have been undertaining you shall not have been undertaining she shall not have been undertaining we shall not have been undertaining you shall not have been undertaining they shall not have been undertaining

Interrogative form

Simple form	V-ing form
shall I undertain? shall you undertain? shall she undertain? shall we undertain? shall you undertain? shall they undertain?	shall I be undertaining? shall you be undertaining? shall she be undertaining? shall we be undertaining? shall you be undertaining? shall they be undertaining?
Perfect	V-ing perfect
shall I have undertained? shall you have undertained? shall she have undertained? shall we have undertained? shall you have undertained? shall they have undertained?	shall I have been undertaining? shall you have been undertaining? shall she have been undertaining? shall we have been undertaining? shall you have been undertaining? shall they have been undertaining?

Interro-negative form

Simple form	V-ing form
shall I not undertain? shall you not undertain? shall she not undertain? shall we not undertain? shall you not undertain? shall they not undertain?	shall I not be undertaining? shall you not be undertaining? shall she not be undertaining? shall we not be undertaining? shall you not be undertaining? shall they not be undertaining?
Perfect	V-ing perfect
shall I not have undertained? shall you not have undertained? shall she not have undertained? shall we not have undertained? shall you not have undertained? shall they not have undertained?	shall I not have been undertaining? shall you not have been undertaining? shall she not have been undertaining? shall we not have been undertaining? shall you not have been undertaining? shall they not have been undertaining?